/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_label45.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 21:32:23,366 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 21:32:23,368 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 21:32:23,403 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-04-01 21:32:23,423 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 21:32:23,428 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 21:32:23,429 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 21:32:23,429 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 21:32:23,430 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 21:32:23,430 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 21:32:23,431 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 21:32:23,433 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 21:32:23,434 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 21:32:23,435 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 21:32:23,437 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 21:32:23,438 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 21:32:23,446 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-04-01 21:32:23,453 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 21:32:23,454 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 21:32:23,454 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 21:32:23,456 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 21:32:23,484 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 21:32:23,484 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 21:32:23,485 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 21:32:23,485 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 21:32:23,486 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 21:32:23,486 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 21:32:23,487 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-01 21:32:23,487 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-01 21:32:23,487 INFO L138 SettingsManager]: * Use SBE=true [2023-04-01 21:32:23,487 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 21:32:23,488 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 21:32:23,488 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 21:32:23,488 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 21:32:23,488 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 21:32:23,488 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 21:32:23,488 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 21:32:23,488 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 21:32:23,489 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 21:32:23,489 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 21:32:23,489 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 21:32:23,489 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 21:32:23,489 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 21:32:23,489 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-01 21:32:23,489 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 21:32:23,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 21:32:23,490 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 21:32:23,490 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 21:32:23,490 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 21:32:23,490 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-01 21:32:23,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 21:32:23,490 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-01 21:32:23,490 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 21:32:23,491 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-01 21:32:23,491 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-01 21:32:23,491 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-01 21:32:23,491 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-01 21:32:23,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 21:32:23,718 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 21:32:23,722 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 21:32:23,723 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 21:32:23,724 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 21:32:23,725 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem07_label45.c [2023-04-01 21:32:24,883 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 21:32:26,410 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 21:32:26,410 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label45.c [2023-04-01 21:32:26,522 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bb2beeeb/3d5f0cc222984d9f9c7fa27f0dfa5c01/FLAG7d4c1ba34 [2023-04-01 21:32:26,532 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bb2beeeb/3d5f0cc222984d9f9c7fa27f0dfa5c01 [2023-04-01 21:32:26,535 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 21:32:26,536 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 21:32:26,537 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 21:32:26,537 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 21:32:26,540 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 21:32:26,540 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:32:26" (1/1) ... [2023-04-01 21:32:26,541 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1eeed8c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:32:26, skipping insertion in model container [2023-04-01 21:32:26,541 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:32:26" (1/1) ... [2023-04-01 21:32:26,547 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 21:32:27,387 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 21:32:34,754 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_label45.c[2773246,2773259] [2023-04-01 21:32:34,809 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 21:32:34,817 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 21:32:38,968 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_label45.c[2773246,2773259] [2023-04-01 21:32:38,973 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 21:32:39,650 INFO L208 MainTranslator]: Completed translation [2023-04-01 21:32:39,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:32:39 WrapperNode [2023-04-01 21:32:39,651 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 21:32:39,652 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 21:32:39,652 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 21:32:39,652 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 21:32:39,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:32:39" (1/1) ... [2023-04-01 21:32:39,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:32:39" (1/1) ... [2023-04-01 21:32:40,828 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:32:39" (1/1) ... [2023-04-01 21:32:40,828 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:32:39" (1/1) ... [2023-04-01 21:32:42,282 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:32:39" (1/1) ... [2023-04-01 21:32:42,421 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:32:39" (1/1) ... [2023-04-01 21:32:42,568 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:32:39" (1/1) ... [2023-04-01 21:32:42,673 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:32:39" (1/1) ... [2023-04-01 21:32:43,121 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 21:32:43,126 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 21:32:43,126 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 21:32:43,126 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 21:32:43,127 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:32:39" (1/1) ... [2023-04-01 21:32:43,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 21:32:43,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 21:32:43,165 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 21:32:43,166 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 21:32:43,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 21:32:43,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 21:32:43,197 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 21:32:43,197 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 21:32:43,197 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-04-01 21:32:43,198 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-04-01 21:32:43,198 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-04-01 21:32:43,198 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-04-01 21:32:43,198 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-04-01 21:32:43,198 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-04-01 21:32:43,198 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-04-01 21:32:43,198 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-04-01 21:32:43,198 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-04-01 21:32:43,198 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-04-01 21:32:43,198 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-04-01 21:32:43,198 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-04-01 21:32:43,199 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-04-01 21:32:43,199 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-04-01 21:32:43,199 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-04-01 21:32:43,199 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-04-01 21:32:43,199 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-04-01 21:32:43,199 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-04-01 21:32:43,199 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-04-01 21:32:43,199 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-04-01 21:32:43,199 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-04-01 21:32:43,199 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-04-01 21:32:43,199 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-04-01 21:32:43,199 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-04-01 21:32:43,199 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-04-01 21:32:43,199 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-04-01 21:32:43,200 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-04-01 21:32:43,200 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-04-01 21:32:43,200 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-04-01 21:32:43,200 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-04-01 21:32:43,200 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-04-01 21:32:43,200 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-04-01 21:32:43,200 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-04-01 21:32:43,200 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-04-01 21:32:43,200 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-04-01 21:32:43,200 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-04-01 21:32:43,201 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-04-01 21:32:43,201 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-04-01 21:32:43,201 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-04-01 21:32:43,201 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-04-01 21:32:43,201 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-04-01 21:32:43,201 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-04-01 21:32:43,201 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-04-01 21:32:43,201 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-04-01 21:32:43,201 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-04-01 21:32:43,201 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 21:32:43,201 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 21:32:43,202 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-04-01 21:32:43,202 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-04-01 21:32:43,202 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-04-01 21:32:43,202 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-04-01 21:32:43,202 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-04-01 21:32:43,202 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-04-01 21:32:43,202 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-04-01 21:32:43,202 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-04-01 21:32:43,202 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-04-01 21:32:43,202 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-04-01 21:32:43,203 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-04-01 21:32:43,203 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-04-01 21:32:43,203 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-04-01 21:32:43,203 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-04-01 21:32:43,203 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-04-01 21:32:43,203 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-04-01 21:32:43,203 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-04-01 21:32:43,203 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-04-01 21:32:43,203 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-04-01 21:32:43,203 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-04-01 21:32:43,203 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-04-01 21:32:43,204 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-04-01 21:32:43,204 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-04-01 21:32:43,204 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-04-01 21:32:43,204 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-04-01 21:32:43,204 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-04-01 21:32:43,204 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-04-01 21:32:43,204 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-04-01 21:32:43,204 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-04-01 21:32:43,204 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-04-01 21:32:43,204 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-04-01 21:32:43,204 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-04-01 21:32:43,205 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-04-01 21:32:43,205 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-04-01 21:32:43,205 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-04-01 21:32:43,205 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-04-01 21:32:43,205 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-04-01 21:32:43,205 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-04-01 21:32:43,205 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-04-01 21:32:43,205 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-04-01 21:32:43,205 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-04-01 21:32:43,205 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-04-01 21:32:43,205 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-04-01 21:32:43,206 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-04-01 21:32:43,206 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-04-01 21:32:43,206 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 21:32:43,206 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 21:32:43,206 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 21:32:43,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 21:32:43,206 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 21:32:43,206 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 21:32:43,206 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 21:32:43,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 21:32:43,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 21:32:43,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 21:32:43,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 21:32:43,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 21:32:43,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 21:32:43,331 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 21:32:43,333 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 21:33:15,384 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 21:33:15,439 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 21:33:15,439 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 21:33:15,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:33:15 BoogieIcfgContainer [2023-04-01 21:33:15,450 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 21:33:15,452 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 21:33:15,452 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 21:33:15,455 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 21:33:15,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 09:32:26" (1/3) ... [2023-04-01 21:33:15,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f063fc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:33:15, skipping insertion in model container [2023-04-01 21:33:15,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:32:39" (2/3) ... [2023-04-01 21:33:15,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f063fc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:33:15, skipping insertion in model container [2023-04-01 21:33:15,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:33:15" (3/3) ... [2023-04-01 21:33:15,458 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label45.c [2023-04-01 21:33:15,472 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 21:33:15,473 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 21:33:15,660 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 21:33:15,666 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;@7fde45ab, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-01 21:33:15,669 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 21:33:15,710 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 21:33:16,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10221 [2023-04-01 21:33:16,626 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 21:33:16,632 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 21:33:16,641 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 21:33:16,646 INFO L85 PathProgramCache]: Analyzing trace with hash -532253990, now seen corresponding path program 1 times [2023-04-01 21:33:16,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 21:33:16,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136900833] [2023-04-01 21:33:16,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 21:33:16,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 21:33:19,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat