/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_label23.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 21:25:04,440 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 21:25:04,442 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 21:25:04,474 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-04-01 21:25:04,488 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 21:25:04,490 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 21:25:04,490 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 21:25:04,491 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 21:25:04,492 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 21:25:04,493 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 21:25:04,494 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 21:25:04,498 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 21:25:04,498 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 21:25:04,499 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 21:25:04,500 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 21:25:04,501 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 21:25:04,507 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-04-01 21:25:04,512 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 21:25:04,513 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 21:25:04,513 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 21:25:04,514 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 21:25:04,537 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 21:25:04,537 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 21:25:04,538 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 21:25:04,538 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 21:25:04,539 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 21:25:04,539 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 21:25:04,539 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-01 21:25:04,539 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-01 21:25:04,539 INFO L138 SettingsManager]: * Use SBE=true [2023-04-01 21:25:04,540 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 21:25:04,540 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 21:25:04,540 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 21:25:04,540 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 21:25:04,540 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 21:25:04,540 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 21:25:04,541 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 21:25:04,541 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 21:25:04,541 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 21:25:04,541 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 21:25:04,541 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 21:25:04,541 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 21:25:04,541 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 21:25:04,541 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-01 21:25:04,541 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 21:25:04,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 21:25:04,541 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 21:25:04,542 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 21:25:04,542 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 21:25:04,542 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-01 21:25:04,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 21:25:04,542 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-01 21:25:04,542 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 21:25:04,542 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-01 21:25:04,542 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-01 21:25:04,543 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-01 21:25:04,543 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-01 21:25:04,772 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 21:25:04,795 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 21:25:04,799 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 21:25:04,799 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 21:25:04,800 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 21:25:04,800 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem07_label23.c [2023-04-01 21:25:05,886 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 21:25:07,071 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 21:25:07,072 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label23.c [2023-04-01 21:25:07,286 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9aa70bcf/3d0abb561981460a96b9e73ce791fc29/FLAG29dcc7b35 [2023-04-01 21:25:07,314 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9aa70bcf/3d0abb561981460a96b9e73ce791fc29 [2023-04-01 21:25:07,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 21:25:07,317 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 21:25:07,321 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 21:25:07,321 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 21:25:07,339 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 21:25:07,339 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:25:07" (1/1) ... [2023-04-01 21:25:07,340 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@573ffd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:25:07, skipping insertion in model container [2023-04-01 21:25:07,340 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:25:07" (1/1) ... [2023-04-01 21:25:07,346 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 21:25:07,893 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 21:25:14,774 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_label23.c[2770180,2770193] [2023-04-01 21:25:14,820 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 21:25:14,827 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 21:25:18,884 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_label23.c[2770180,2770193] [2023-04-01 21:25:18,892 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 21:25:19,649 INFO L208 MainTranslator]: Completed translation [2023-04-01 21:25:19,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:25:19 WrapperNode [2023-04-01 21:25:19,649 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 21:25:19,650 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 21:25:19,650 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 21:25:19,650 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 21:25:19,660 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:25:19" (1/1) ... [2023-04-01 21:25:19,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:25:19" (1/1) ... [2023-04-01 21:25:20,261 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:25:19" (1/1) ... [2023-04-01 21:25:20,261 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:25:19" (1/1) ... [2023-04-01 21:25:21,773 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:25:19" (1/1) ... [2023-04-01 21:25:22,375 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:25:19" (1/1) ... [2023-04-01 21:25:22,644 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:25:19" (1/1) ... [2023-04-01 21:25:22,754 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:25:19" (1/1) ... [2023-04-01 21:25:23,187 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 21:25:23,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 21:25:23,188 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 21:25:23,188 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 21:25:23,189 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:25:19" (1/1) ... [2023-04-01 21:25:23,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 21:25:23,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 21:25:23,238 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 21:25:23,255 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 21:25:23,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 21:25:23,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 21:25:23,267 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 21:25:23,268 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 21:25:23,268 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-04-01 21:25:23,268 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-04-01 21:25:23,268 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-04-01 21:25:23,268 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-04-01 21:25:23,268 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-04-01 21:25:23,268 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-04-01 21:25:23,268 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-04-01 21:25:23,268 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-04-01 21:25:23,268 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-04-01 21:25:23,268 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-04-01 21:25:23,269 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-04-01 21:25:23,269 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-04-01 21:25:23,269 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-04-01 21:25:23,269 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-04-01 21:25:23,269 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-04-01 21:25:23,269 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-04-01 21:25:23,269 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-04-01 21:25:23,269 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-04-01 21:25:23,269 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-04-01 21:25:23,269 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-04-01 21:25:23,269 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-04-01 21:25:23,269 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-04-01 21:25:23,269 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-04-01 21:25:23,269 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-04-01 21:25:23,269 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-04-01 21:25:23,269 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-04-01 21:25:23,270 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-04-01 21:25:23,270 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-04-01 21:25:23,270 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-04-01 21:25:23,270 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-04-01 21:25:23,270 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-04-01 21:25:23,270 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-04-01 21:25:23,270 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-04-01 21:25:23,270 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-04-01 21:25:23,270 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-04-01 21:25:23,270 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-04-01 21:25:23,270 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-04-01 21:25:23,270 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-04-01 21:25:23,270 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-04-01 21:25:23,271 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-04-01 21:25:23,271 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-04-01 21:25:23,271 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-04-01 21:25:23,271 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-04-01 21:25:23,271 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-04-01 21:25:23,271 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-04-01 21:25:23,271 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 21:25:23,271 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 21:25:23,271 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-04-01 21:25:23,271 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-04-01 21:25:23,272 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-04-01 21:25:23,272 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-04-01 21:25:23,272 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-04-01 21:25:23,272 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-04-01 21:25:23,272 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-04-01 21:25:23,272 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-04-01 21:25:23,272 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-04-01 21:25:23,273 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-04-01 21:25:23,273 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-04-01 21:25:23,273 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-04-01 21:25:23,273 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-04-01 21:25:23,273 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-04-01 21:25:23,273 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-04-01 21:25:23,273 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-04-01 21:25:23,273 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-04-01 21:25:23,273 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-04-01 21:25:23,273 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-04-01 21:25:23,273 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-04-01 21:25:23,273 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-04-01 21:25:23,274 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-04-01 21:25:23,274 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-04-01 21:25:23,274 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-04-01 21:25:23,274 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-04-01 21:25:23,274 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-04-01 21:25:23,274 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-04-01 21:25:23,274 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-04-01 21:25:23,274 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-04-01 21:25:23,274 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-04-01 21:25:23,274 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-04-01 21:25:23,275 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-04-01 21:25:23,275 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-04-01 21:25:23,275 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-04-01 21:25:23,275 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-04-01 21:25:23,275 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-04-01 21:25:23,275 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-04-01 21:25:23,275 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-04-01 21:25:23,275 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-04-01 21:25:23,275 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-04-01 21:25:23,276 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-04-01 21:25:23,276 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-04-01 21:25:23,276 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-04-01 21:25:23,276 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-04-01 21:25:23,276 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-04-01 21:25:23,276 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 21:25:23,276 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 21:25:23,276 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 21:25:23,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 21:25:23,276 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 21:25:23,276 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 21:25:23,277 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 21:25:23,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 21:25:23,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 21:25:23,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 21:25:23,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 21:25:23,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 21:25:23,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 21:25:23,443 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 21:25:23,445 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 21:25:52,720 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 21:25:52,773 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 21:25:52,773 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 21:25:52,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:25:52 BoogieIcfgContainer [2023-04-01 21:25:52,784 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 21:25:52,787 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 21:25:52,787 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 21:25:52,789 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 21:25:52,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 09:25:07" (1/3) ... [2023-04-01 21:25:52,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ed7fe02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:25:52, skipping insertion in model container [2023-04-01 21:25:52,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:25:19" (2/3) ... [2023-04-01 21:25:52,790 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ed7fe02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:25:52, skipping insertion in model container [2023-04-01 21:25:52,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:25:52" (3/3) ... [2023-04-01 21:25:52,793 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label23.c [2023-04-01 21:25:52,806 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 21:25:52,806 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 21:25:52,958 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 21:25:52,963 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;@379ebf40, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-01 21:25:52,965 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 21:25:52,999 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 21:25:53,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10203 [2023-04-01 21:25:53,740 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 21:25:53,745 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] [2023-04-01 21:25:53,747 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 21:25:53,754 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 21:25:53,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1546743310, now seen corresponding path program 1 times [2023-04-01 21:25:53,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 21:25:53,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488530648] [2023-04-01 21:25:53,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 21:25:53,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 21:25:56,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 21:29:07,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 21:29:07,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 21:29:07,297 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 21:29:07,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 21:29:07,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488530648] [2023-04-01 21:29:07,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488530648] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 21:29:07,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 21:29:07,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-01 21:29:07,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433753805] [2023-04-01 21:29:07,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 21:29:07,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 21:29:07,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 21:29:07,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 21:29:07,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-01 21:29:07,444 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 2538.25) internal successors, (10153), 3 states have internal predecessors, (10153), 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)