/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_label06.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 21:20:14,471 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 21:20:14,472 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 21:20:14,504 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 21:20:14,504 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 21:20:14,508 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 21:20:14,510 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 21:20:14,512 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 21:20:14,513 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 21:20:14,517 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 21:20:14,518 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 21:20:14,519 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 21:20:14,519 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 21:20:14,521 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 21:20:14,522 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 21:20:14,522 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 21:20:14,523 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 21:20:14,523 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 21:20:14,525 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 21:20:14,528 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 21:20:14,529 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 21:20:14,530 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 21:20:14,530 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 21:20:14,531 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 21:20:14,537 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-04-01 21:20:14,542 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 21:20:14,542 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 21:20:14,543 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 21:20:14,544 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 21:20:14,565 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 21:20:14,565 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 21:20:14,566 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 21:20:14,566 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 21:20:14,567 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 21:20:14,567 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 21:20:14,567 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-01 21:20:14,567 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-01 21:20:14,567 INFO L138 SettingsManager]: * Use SBE=true [2023-04-01 21:20:14,568 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 21:20:14,568 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 21:20:14,568 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 21:20:14,568 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 21:20:14,568 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 21:20:14,569 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 21:20:14,569 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 21:20:14,569 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 21:20:14,569 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 21:20:14,569 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 21:20:14,569 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 21:20:14,569 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 21:20:14,569 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 21:20:14,569 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-01 21:20:14,569 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 21:20:14,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 21:20:14,570 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 21:20:14,570 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 21:20:14,570 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 21:20:14,570 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-01 21:20:14,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 21:20:14,570 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-01 21:20:14,570 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 21:20:14,571 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-01 21:20:14,571 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-01 21:20:14,571 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-01 21:20:14,571 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-01 21:20:14,755 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 21:20:14,771 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 21:20:14,773 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 21:20:14,774 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 21:20:14,774 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 21:20:14,775 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem07_label06.c [2023-04-01 21:20:15,759 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 21:20:16,895 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 21:20:16,895 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label06.c [2023-04-01 21:20:16,993 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/477810848/7c63188cf482403f82fe1e851c52342c/FLAG11e7044e5 [2023-04-01 21:20:17,009 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/477810848/7c63188cf482403f82fe1e851c52342c [2023-04-01 21:20:17,011 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 21:20:17,012 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 21:20:17,014 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 21:20:17,014 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 21:20:17,016 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 21:20:17,017 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:20:17" (1/1) ... [2023-04-01 21:20:17,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62264e76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:20:17, skipping insertion in model container [2023-04-01 21:20:17,018 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:20:17" (1/1) ... [2023-04-01 21:20:17,022 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 21:20:17,605 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 21:20:24,441 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_label06.c[2770010,2770023] [2023-04-01 21:20:24,487 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 21:20:24,494 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 21:20:28,442 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_label06.c[2770010,2770023] [2023-04-01 21:20:28,449 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 21:20:29,195 INFO L208 MainTranslator]: Completed translation [2023-04-01 21:20:29,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:20:29 WrapperNode [2023-04-01 21:20:29,196 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 21:20:29,196 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 21:20:29,196 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 21:20:29,197 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 21:20:29,206 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:20:29" (1/1) ... [2023-04-01 21:20:29,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:20:29" (1/1) ... [2023-04-01 21:20:29,854 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:20:29" (1/1) ... [2023-04-01 21:20:29,855 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:20:29" (1/1) ... [2023-04-01 21:20:31,220 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:20:29" (1/1) ... [2023-04-01 21:20:31,545 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:20:29" (1/1) ... [2023-04-01 21:20:31,725 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:20:29" (1/1) ... [2023-04-01 21:20:31,830 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:20:29" (1/1) ... [2023-04-01 21:20:32,255 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 21:20:32,256 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 21:20:32,256 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 21:20:32,256 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 21:20:32,257 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:20:29" (1/1) ... [2023-04-01 21:20:32,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 21:20:32,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 21:20:32,282 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 21:20:32,301 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 21:20:32,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 21:20:32,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 21:20:32,313 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 21:20:32,313 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 21:20:32,313 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-04-01 21:20:32,313 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-04-01 21:20:32,313 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-04-01 21:20:32,313 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-04-01 21:20:32,313 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-04-01 21:20:32,313 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-04-01 21:20:32,313 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-04-01 21:20:32,314 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-04-01 21:20:32,314 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-04-01 21:20:32,314 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-04-01 21:20:32,314 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-04-01 21:20:32,314 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-04-01 21:20:32,314 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-04-01 21:20:32,314 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-04-01 21:20:32,314 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-04-01 21:20:32,315 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-04-01 21:20:32,315 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-04-01 21:20:32,315 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-04-01 21:20:32,315 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-04-01 21:20:32,315 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-04-01 21:20:32,315 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-04-01 21:20:32,315 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-04-01 21:20:32,315 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-04-01 21:20:32,316 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-04-01 21:20:32,316 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-04-01 21:20:32,316 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-04-01 21:20:32,316 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-04-01 21:20:32,316 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-04-01 21:20:32,316 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-04-01 21:20:32,316 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-04-01 21:20:32,316 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-04-01 21:20:32,316 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-04-01 21:20:32,316 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-04-01 21:20:32,316 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-04-01 21:20:32,316 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-04-01 21:20:32,316 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-04-01 21:20:32,316 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-04-01 21:20:32,316 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-04-01 21:20:32,317 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-04-01 21:20:32,317 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-04-01 21:20:32,317 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-04-01 21:20:32,317 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-04-01 21:20:32,317 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-04-01 21:20:32,317 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-04-01 21:20:32,317 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-04-01 21:20:32,317 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 21:20:32,318 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 21:20:32,318 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-04-01 21:20:32,318 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-04-01 21:20:32,318 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-04-01 21:20:32,318 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-04-01 21:20:32,318 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-04-01 21:20:32,318 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-04-01 21:20:32,318 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-04-01 21:20:32,318 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-04-01 21:20:32,318 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-04-01 21:20:32,318 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-04-01 21:20:32,318 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-04-01 21:20:32,318 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-04-01 21:20:32,318 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-04-01 21:20:32,318 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-04-01 21:20:32,319 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-04-01 21:20:32,319 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-04-01 21:20:32,319 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-04-01 21:20:32,319 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-04-01 21:20:32,319 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-04-01 21:20:32,319 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-04-01 21:20:32,319 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-04-01 21:20:32,319 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-04-01 21:20:32,319 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-04-01 21:20:32,319 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-04-01 21:20:32,319 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-04-01 21:20:32,319 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-04-01 21:20:32,319 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-04-01 21:20:32,319 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-04-01 21:20:32,319 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-04-01 21:20:32,319 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-04-01 21:20:32,319 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-04-01 21:20:32,320 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-04-01 21:20:32,320 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-04-01 21:20:32,320 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-04-01 21:20:32,320 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-04-01 21:20:32,320 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-04-01 21:20:32,320 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-04-01 21:20:32,320 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-04-01 21:20:32,320 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-04-01 21:20:32,320 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-04-01 21:20:32,320 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-04-01 21:20:32,320 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-04-01 21:20:32,320 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-04-01 21:20:32,320 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-04-01 21:20:32,320 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-04-01 21:20:32,320 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 21:20:32,320 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 21:20:32,320 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 21:20:32,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 21:20:32,321 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 21:20:32,321 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 21:20:32,321 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 21:20:32,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 21:20:32,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 21:20:32,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 21:20:32,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 21:20:32,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 21:20:32,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 21:20:32,506 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 21:20:32,508 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 21:21:01,374 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 21:21:01,417 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 21:21:01,417 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 21:21:01,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:21:01 BoogieIcfgContainer [2023-04-01 21:21:01,425 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 21:21:01,427 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 21:21:01,427 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 21:21:01,430 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 21:21:01,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 09:20:17" (1/3) ... [2023-04-01 21:21:01,430 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dc9a295 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:21:01, skipping insertion in model container [2023-04-01 21:21:01,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:20:29" (2/3) ... [2023-04-01 21:21:01,431 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dc9a295 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:21:01, skipping insertion in model container [2023-04-01 21:21:01,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:21:01" (3/3) ... [2023-04-01 21:21:01,432 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label06.c [2023-04-01 21:21:01,445 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 21:21:01,445 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 21:21:01,580 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 21:21:01,585 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;@c0da2bd, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-01 21:21:01,587 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 21:21:01,623 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 21:21:02,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10202 [2023-04-01 21:21:02,315 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 21:21:02,320 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] [2023-04-01 21:21:02,321 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 21:21:02,331 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 21:21:02,335 INFO L85 PathProgramCache]: Analyzing trace with hash 2028314535, now seen corresponding path program 1 times [2023-04-01 21:21:02,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 21:21:02,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319259727] [2023-04-01 21:21:02,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 21:21:02,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 21:21:04,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 21:24:07,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 21:24:07,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 21:24:07,430 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 21:24:07,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 21:24:07,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319259727] [2023-04-01 21:24:07,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319259727] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 21:24:07,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 21:24:07,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-01 21:24:07,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152907638] [2023-04-01 21:24:07,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 21:24:07,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 21:24:07,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 21:24:07,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 21:24:07,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-01 21:24:07,607 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 2538.0) internal successors, (10152), 3 states have internal predecessors, (10152), 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)