/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_label54.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 21:34:12,425 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 21:34:12,427 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 21:34:12,464 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 21:34:12,465 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 21:34:12,467 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 21:34:12,470 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 21:34:12,472 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 21:34:12,474 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 21:34:12,478 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 21:34:12,479 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 21:34:12,481 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 21:34:12,481 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 21:34:12,484 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 21:34:12,484 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 21:34:12,486 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 21:34:12,486 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 21:34:12,487 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 21:34:12,489 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 21:34:12,493 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 21:34:12,494 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 21:34:12,495 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 21:34:12,496 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 21:34:12,497 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 21:34:12,505 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-04-01 21:34:12,512 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 21:34:12,512 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 21:34:12,513 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 21:34:12,514 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 21:34:12,541 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 21:34:12,542 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 21:34:12,542 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 21:34:12,542 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 21:34:12,543 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 21:34:12,543 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 21:34:12,544 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-01 21:34:12,544 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-01 21:34:12,544 INFO L138 SettingsManager]: * Use SBE=true [2023-04-01 21:34:12,544 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 21:34:12,545 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 21:34:12,545 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 21:34:12,545 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 21:34:12,546 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 21:34:12,546 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 21:34:12,546 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 21:34:12,546 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 21:34:12,546 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 21:34:12,546 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 21:34:12,546 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 21:34:12,547 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 21:34:12,547 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 21:34:12,547 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-01 21:34:12,547 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 21:34:12,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 21:34:12,547 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 21:34:12,547 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 21:34:12,548 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 21:34:12,548 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-01 21:34:12,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 21:34:12,548 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-01 21:34:12,549 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 21:34:12,549 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-01 21:34:12,549 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-01 21:34:12,549 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-01 21:34:12,549 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-01 21:34:12,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 21:34:12,784 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 21:34:12,786 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 21:34:12,787 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 21:34:12,788 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 21:34:12,789 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem07_label54.c [2023-04-01 21:34:13,906 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 21:34:15,411 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 21:34:15,412 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label54.c [2023-04-01 21:34:15,533 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca83b0bb2/ca30e82aca0c4540b88df094e5d481ea/FLAG7a453ae9a [2023-04-01 21:34:15,547 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca83b0bb2/ca30e82aca0c4540b88df094e5d481ea [2023-04-01 21:34:15,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 21:34:15,550 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 21:34:15,551 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 21:34:15,551 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 21:34:15,554 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 21:34:15,554 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:34:15" (1/1) ... [2023-04-01 21:34:15,555 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@94022dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:34:15, skipping insertion in model container [2023-04-01 21:34:15,555 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:34:15" (1/1) ... [2023-04-01 21:34:15,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 21:34:16,345 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 21:34:23,558 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_label54.c[2775294,2775307] [2023-04-01 21:34:23,609 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 21:34:23,617 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 21:34:28,247 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_label54.c[2775294,2775307] [2023-04-01 21:34:28,251 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 21:34:29,363 INFO L208 MainTranslator]: Completed translation [2023-04-01 21:34:29,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:34:29 WrapperNode [2023-04-01 21:34:29,364 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 21:34:29,364 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 21:34:29,365 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 21:34:29,365 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 21:34:29,383 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:34:29" (1/1) ... [2023-04-01 21:34:29,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:34:29" (1/1) ... [2023-04-01 21:34:30,198 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:34:29" (1/1) ... [2023-04-01 21:34:30,198 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:34:29" (1/1) ... [2023-04-01 21:34:32,119 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:34:29" (1/1) ... [2023-04-01 21:34:32,350 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:34:29" (1/1) ... [2023-04-01 21:34:32,488 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:34:29" (1/1) ... [2023-04-01 21:34:32,587 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:34:29" (1/1) ... [2023-04-01 21:34:33,155 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 21:34:33,156 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 21:34:33,156 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 21:34:33,157 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 21:34:33,161 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:34:29" (1/1) ... [2023-04-01 21:34:33,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 21:34:33,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 21:34:33,196 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 21:34:33,200 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 21:34:33,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 21:34:33,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 21:34:33,224 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 21:34:33,224 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 21:34:33,224 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-04-01 21:34:33,224 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-04-01 21:34:33,382 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-04-01 21:34:33,382 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-04-01 21:34:33,382 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-04-01 21:34:33,382 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-04-01 21:34:33,383 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-04-01 21:34:33,383 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-04-01 21:34:33,383 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-04-01 21:34:33,383 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-04-01 21:34:33,383 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-04-01 21:34:33,383 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-04-01 21:34:33,383 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-04-01 21:34:33,383 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-04-01 21:34:33,383 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-04-01 21:34:33,384 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-04-01 21:34:33,384 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-04-01 21:34:33,384 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-04-01 21:34:33,384 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-04-01 21:34:33,384 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-04-01 21:34:33,384 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-04-01 21:34:33,384 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-04-01 21:34:33,384 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-04-01 21:34:33,384 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-04-01 21:34:33,384 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-04-01 21:34:33,385 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-04-01 21:34:33,385 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-04-01 21:34:33,385 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-04-01 21:34:33,385 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-04-01 21:34:33,385 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-04-01 21:34:33,385 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-04-01 21:34:33,385 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-04-01 21:34:33,385 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-04-01 21:34:33,385 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-04-01 21:34:33,385 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-04-01 21:34:33,386 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-04-01 21:34:33,386 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-04-01 21:34:33,386 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-04-01 21:34:33,386 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-04-01 21:34:33,386 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-04-01 21:34:33,386 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-04-01 21:34:33,386 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-04-01 21:34:33,386 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-04-01 21:34:33,386 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-04-01 21:34:33,386 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-04-01 21:34:33,387 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 21:34:33,387 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 21:34:33,387 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-04-01 21:34:33,387 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-04-01 21:34:33,387 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-04-01 21:34:33,387 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-04-01 21:34:33,387 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-04-01 21:34:33,387 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-04-01 21:34:33,387 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-04-01 21:34:33,387 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-04-01 21:34:33,388 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-04-01 21:34:33,388 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-04-01 21:34:33,388 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-04-01 21:34:33,388 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-04-01 21:34:33,388 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-04-01 21:34:33,388 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-04-01 21:34:33,388 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-04-01 21:34:33,388 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-04-01 21:34:33,388 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-04-01 21:34:33,388 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-04-01 21:34:33,389 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-04-01 21:34:33,389 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-04-01 21:34:33,389 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-04-01 21:34:33,389 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-04-01 21:34:33,389 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-04-01 21:34:33,389 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-04-01 21:34:33,389 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-04-01 21:34:33,389 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-04-01 21:34:33,389 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-04-01 21:34:33,389 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-04-01 21:34:33,390 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-04-01 21:34:33,390 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-04-01 21:34:33,390 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-04-01 21:34:33,390 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-04-01 21:34:33,390 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-04-01 21:34:33,390 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-04-01 21:34:33,390 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-04-01 21:34:33,390 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-04-01 21:34:33,390 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-04-01 21:34:33,390 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-04-01 21:34:33,391 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-04-01 21:34:33,391 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-04-01 21:34:33,391 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-04-01 21:34:33,391 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-04-01 21:34:33,391 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-04-01 21:34:33,391 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-04-01 21:34:33,391 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-04-01 21:34:33,391 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 21:34:33,391 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 21:34:33,391 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 21:34:33,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 21:34:33,392 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 21:34:33,392 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 21:34:33,392 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 21:34:33,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 21:34:33,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 21:34:33,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 21:34:33,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 21:34:33,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 21:34:33,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 21:34:33,556 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 21:34:33,558 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 21:35:05,238 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 21:35:05,293 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 21:35:05,293 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 21:35:05,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:35:05 BoogieIcfgContainer [2023-04-01 21:35:05,303 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 21:35:05,305 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 21:35:05,305 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 21:35:05,308 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 21:35:05,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 09:34:15" (1/3) ... [2023-04-01 21:35:05,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1efb1f13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:35:05, skipping insertion in model container [2023-04-01 21:35:05,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:34:29" (2/3) ... [2023-04-01 21:35:05,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1efb1f13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:35:05, skipping insertion in model container [2023-04-01 21:35:05,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:35:05" (3/3) ... [2023-04-01 21:35:05,310 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label54.c [2023-04-01 21:35:05,324 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 21:35:05,325 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 21:35:05,512 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 21:35:05,518 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;@67e01d25, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-01 21:35:05,521 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 21:35:05,561 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 21:35:06,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10233 [2023-04-01 21:35:06,281 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 21:35:06,288 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, 1, 1, 1, 1, 1, 1, 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 21:35:06,289 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 21:35:06,296 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 21:35:06,301 INFO L85 PathProgramCache]: Analyzing trace with hash 580411594, now seen corresponding path program 1 times [2023-04-01 21:35:06,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 21:35:06,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180505611] [2023-04-01 21:35:06,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 21:35:06,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 21:35:09,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 21:37:58,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 21:37:58,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 21:37:58,654 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 21:37:58,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 21:37:58,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180505611] [2023-04-01 21:37:58,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180505611] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 21:37:58,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 21:37:58,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-01 21:37:58,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607400623] [2023-04-01 21:37:58,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 21:37:58,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 21:37:58,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 21:37:58,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 21:37:58,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-01 21:37:58,824 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 2545.75) internal successors, (10183), 3 states have internal predecessors, (10183), 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)