/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_label03.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 21:19:54,010 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 21:19:54,012 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 21:19:54,033 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 21:19:54,033 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 21:19:54,035 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 21:19:54,038 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 21:19:54,040 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 21:19:54,041 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 21:19:54,045 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 21:19:54,046 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 21:19:54,047 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 21:19:54,047 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 21:19:54,050 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 21:19:54,051 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 21:19:54,052 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 21:19:54,052 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 21:19:54,053 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 21:19:54,055 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 21:19:54,056 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 21:19:54,057 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 21:19:54,058 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 21:19:54,059 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 21:19:54,060 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 21:19:54,067 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-04-01 21:19:54,072 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 21:19:54,072 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 21:19:54,073 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 21:19:54,077 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 21:19:54,098 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 21:19:54,098 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 21:19:54,098 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 21:19:54,098 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 21:19:54,099 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 21:19:54,099 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 21:19:54,099 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-01 21:19:54,099 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-01 21:19:54,099 INFO L138 SettingsManager]: * Use SBE=true [2023-04-01 21:19:54,099 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 21:19:54,099 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 21:19:54,100 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 21:19:54,100 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 21:19:54,100 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 21:19:54,100 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 21:19:54,100 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 21:19:54,100 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 21:19:54,100 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 21:19:54,100 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 21:19:54,100 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 21:19:54,100 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 21:19:54,103 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 21:19:54,103 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-01 21:19:54,103 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 21:19:54,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 21:19:54,103 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 21:19:54,103 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 21:19:54,103 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 21:19:54,104 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-01 21:19:54,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 21:19:54,104 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-01 21:19:54,104 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 21:19:54,104 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-01 21:19:54,104 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-01 21:19:54,104 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-01 21:19:54,104 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-01 21:19:54,303 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 21:19:54,326 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 21:19:54,330 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 21:19:54,331 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 21:19:54,331 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 21:19:54,332 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem07_label03.c [2023-04-01 21:19:55,289 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 21:19:56,419 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 21:19:56,419 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label03.c [2023-04-01 21:19:56,506 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/871628b67/2286c49306a2475b92aa7b0517a56ad8/FLAGe853a9e16 [2023-04-01 21:19:56,515 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/871628b67/2286c49306a2475b92aa7b0517a56ad8 [2023-04-01 21:19:56,517 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 21:19:56,518 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 21:19:56,519 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 21:19:56,519 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 21:19:56,521 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 21:19:56,521 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:19:56" (1/1) ... [2023-04-01 21:19:56,522 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@195e402f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:19:56, skipping insertion in model container [2023-04-01 21:19:56,522 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:19:56" (1/1) ... [2023-04-01 21:19:56,526 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 21:19:57,040 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 21:20:03,638 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_label03.c[2770520,2770533] [2023-04-01 21:20:03,694 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 21:20:03,702 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 21:20:07,580 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_label03.c[2770520,2770533] [2023-04-01 21:20:07,588 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 21:20:08,210 INFO L208 MainTranslator]: Completed translation [2023-04-01 21:20:08,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:20:08 WrapperNode [2023-04-01 21:20:08,211 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 21:20:08,211 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 21:20:08,211 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 21:20:08,211 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 21:20:08,220 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:20:08" (1/1) ... [2023-04-01 21:20:08,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:20:08" (1/1) ... [2023-04-01 21:20:08,956 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:20:08" (1/1) ... [2023-04-01 21:20:08,956 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:20:08" (1/1) ... [2023-04-01 21:20:10,278 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:20:08" (1/1) ... [2023-04-01 21:20:10,417 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:20:08" (1/1) ... [2023-04-01 21:20:10,555 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:20:08" (1/1) ... [2023-04-01 21:20:10,647 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:20:08" (1/1) ... [2023-04-01 21:20:11,315 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 21:20:11,316 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 21:20:11,316 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 21:20:11,316 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 21:20:11,317 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:20:08" (1/1) ... [2023-04-01 21:20:11,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 21:20:11,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 21:20:11,360 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 21:20:11,385 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 21:20:11,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 21:20:11,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 21:20:11,409 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 21:20:11,409 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 21:20:11,409 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-04-01 21:20:11,409 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-04-01 21:20:11,409 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-04-01 21:20:11,409 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-04-01 21:20:11,409 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-04-01 21:20:11,409 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-04-01 21:20:11,409 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-04-01 21:20:11,410 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-04-01 21:20:11,410 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-04-01 21:20:11,410 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-04-01 21:20:11,410 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-04-01 21:20:11,410 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-04-01 21:20:11,410 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-04-01 21:20:11,410 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-04-01 21:20:11,410 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-04-01 21:20:11,410 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-04-01 21:20:11,410 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-04-01 21:20:11,410 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-04-01 21:20:11,410 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-04-01 21:20:11,410 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-04-01 21:20:11,410 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-04-01 21:20:11,411 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-04-01 21:20:11,411 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-04-01 21:20:11,411 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-04-01 21:20:11,411 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-04-01 21:20:11,411 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-04-01 21:20:11,411 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-04-01 21:20:11,411 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-04-01 21:20:11,411 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-04-01 21:20:11,411 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-04-01 21:20:11,411 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-04-01 21:20:11,411 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-04-01 21:20:11,411 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-04-01 21:20:11,411 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-04-01 21:20:11,411 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-04-01 21:20:11,411 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-04-01 21:20:11,411 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-04-01 21:20:11,411 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-04-01 21:20:11,412 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-04-01 21:20:11,412 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-04-01 21:20:11,412 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-04-01 21:20:11,412 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-04-01 21:20:11,412 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-04-01 21:20:11,412 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-04-01 21:20:11,412 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-04-01 21:20:11,412 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 21:20:11,412 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 21:20:11,412 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-04-01 21:20:11,412 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-04-01 21:20:11,412 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-04-01 21:20:11,413 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-04-01 21:20:11,413 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-04-01 21:20:11,413 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-04-01 21:20:11,413 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-04-01 21:20:11,413 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-04-01 21:20:11,413 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-04-01 21:20:11,414 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-04-01 21:20:11,414 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-04-01 21:20:11,414 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-04-01 21:20:11,414 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-04-01 21:20:11,414 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-04-01 21:20:11,414 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-04-01 21:20:11,415 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-04-01 21:20:11,415 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-04-01 21:20:11,415 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-04-01 21:20:11,415 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-04-01 21:20:11,415 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-04-01 21:20:11,415 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-04-01 21:20:11,415 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-04-01 21:20:11,415 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-04-01 21:20:11,415 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-04-01 21:20:11,415 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-04-01 21:20:11,415 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-04-01 21:20:11,415 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-04-01 21:20:11,416 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-04-01 21:20:11,416 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-04-01 21:20:11,416 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-04-01 21:20:11,416 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-04-01 21:20:11,416 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-04-01 21:20:11,416 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-04-01 21:20:11,416 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-04-01 21:20:11,416 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-04-01 21:20:11,416 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-04-01 21:20:11,416 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-04-01 21:20:11,416 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-04-01 21:20:11,417 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-04-01 21:20:11,417 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-04-01 21:20:11,417 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-04-01 21:20:11,417 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-04-01 21:20:11,417 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-04-01 21:20:11,417 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-04-01 21:20:11,418 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-04-01 21:20:11,418 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 21:20:11,418 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 21:20:11,418 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 21:20:11,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 21:20:11,418 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 21:20:11,418 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 21:20:11,418 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 21:20:11,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 21:20:11,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 21:20:11,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 21:20:11,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 21:20:11,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 21:20:11,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 21:20:11,549 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 21:20:11,551 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 21:20:40,571 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 21:20:40,613 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 21:20:40,614 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 21:20:40,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:20:40 BoogieIcfgContainer [2023-04-01 21:20:40,623 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 21:20:40,624 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 21:20:40,624 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 21:20:40,626 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 21:20:40,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 09:19:56" (1/3) ... [2023-04-01 21:20:40,627 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a528275 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:20:40, skipping insertion in model container [2023-04-01 21:20:40,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:20:08" (2/3) ... [2023-04-01 21:20:40,627 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a528275 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:20:40, skipping insertion in model container [2023-04-01 21:20:40,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:20:40" (3/3) ... [2023-04-01 21:20:40,628 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label03.c [2023-04-01 21:20:40,640 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 21:20:40,641 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 21:20:40,806 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 21:20:40,811 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;@25d2318f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-01 21:20:40,813 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 21:20:40,846 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 21:20:41,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10205 [2023-04-01 21:20:41,517 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 21:20:41,521 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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[calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 21:20:41,528 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 21:20:41,531 INFO L85 PathProgramCache]: Analyzing trace with hash -361138790, now seen corresponding path program 1 times [2023-04-01 21:20:41,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 21:20:41,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724192951] [2023-04-01 21:20:41,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 21:20:41,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 21:20:43,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat