/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_label12.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 21:21:19,543 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 21:21:19,544 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 21:21:19,563 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-04-01 21:21:19,570 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 21:21:19,572 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 21:21:19,573 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 21:21:19,573 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 21:21:19,574 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 21:21:19,574 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 21:21:19,575 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 21:21:19,576 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 21:21:19,577 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 21:21:19,581 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 21:21:19,583 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 21:21:19,584 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 21:21:19,590 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-04-01 21:21:19,598 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 21:21:19,600 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 21:21:19,600 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 21:21:19,601 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 21:21:19,621 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 21:21:19,622 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 21:21:19,622 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 21:21:19,622 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 21:21:19,622 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 21:21:19,623 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 21:21:19,623 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-01 21:21:19,623 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-01 21:21:19,623 INFO L138 SettingsManager]: * Use SBE=true [2023-04-01 21:21:19,623 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 21:21:19,623 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 21:21:19,623 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 21:21:19,624 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 21:21:19,624 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 21:21:19,624 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 21:21:19,624 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 21:21:19,624 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 21:21:19,624 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 21:21:19,624 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 21:21:19,624 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 21:21:19,626 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 21:21:19,626 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 21:21:19,626 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-01 21:21:19,626 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 21:21:19,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 21:21:19,627 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 21:21:19,627 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 21:21:19,627 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 21:21:19,627 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-01 21:21:19,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 21:21:19,627 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-01 21:21:19,628 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 21:21:19,628 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-01 21:21:19,628 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-01 21:21:19,628 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-01 21:21:19,628 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-01 21:21:19,808 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 21:21:19,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 21:21:19,825 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 21:21:19,826 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 21:21:19,826 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 21:21:19,827 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem07_label12.c [2023-04-01 21:21:20,767 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 21:21:21,993 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 21:21:21,994 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label12.c [2023-04-01 21:21:22,108 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17bec27e8/93698df6cbf448b8bb360591320f0404/FLAGa21218b72 [2023-04-01 21:21:22,117 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17bec27e8/93698df6cbf448b8bb360591320f0404 [2023-04-01 21:21:22,119 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 21:21:22,120 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 21:21:22,121 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 21:21:22,121 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 21:21:22,129 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 21:21:22,130 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:21:22" (1/1) ... [2023-04-01 21:21:22,130 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@751beaab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:21:22, skipping insertion in model container [2023-04-01 21:21:22,130 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:21:22" (1/1) ... [2023-04-01 21:21:22,135 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 21:21:22,861 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 21:21:29,529 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_label12.c[2774099,2774112] [2023-04-01 21:21:29,570 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 21:21:29,577 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 21:21:33,439 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_label12.c[2774099,2774112] [2023-04-01 21:21:33,443 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 21:21:33,900 INFO L208 MainTranslator]: Completed translation [2023-04-01 21:21:33,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:21:33 WrapperNode [2023-04-01 21:21:33,900 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 21:21:33,901 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 21:21:33,901 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 21:21:33,901 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 21:21:33,909 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:21:33" (1/1) ... [2023-04-01 21:21:33,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:21:33" (1/1) ... [2023-04-01 21:21:34,685 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:21:33" (1/1) ... [2023-04-01 21:21:34,701 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:21:33" (1/1) ... [2023-04-01 21:21:35,963 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:21:33" (1/1) ... [2023-04-01 21:21:36,139 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:21:33" (1/1) ... [2023-04-01 21:21:36,238 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:21:33" (1/1) ... [2023-04-01 21:21:36,316 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:21:33" (1/1) ... [2023-04-01 21:21:36,750 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 21:21:36,751 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 21:21:36,751 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 21:21:36,751 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 21:21:36,752 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:21:33" (1/1) ... [2023-04-01 21:21:36,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 21:21:36,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 21:21:36,780 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 21:21:36,781 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 21:21:36,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 21:21:36,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 21:21:36,804 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 21:21:36,804 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 21:21:36,804 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-04-01 21:21:36,804 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-04-01 21:21:36,804 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-04-01 21:21:36,805 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-04-01 21:21:36,805 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-04-01 21:21:36,805 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-04-01 21:21:36,805 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-04-01 21:21:36,805 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-04-01 21:21:36,805 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-04-01 21:21:36,805 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-04-01 21:21:36,805 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-04-01 21:21:36,805 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-04-01 21:21:36,805 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-04-01 21:21:36,805 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-04-01 21:21:36,805 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-04-01 21:21:36,805 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-04-01 21:21:36,805 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-04-01 21:21:36,805 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-04-01 21:21:36,805 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-04-01 21:21:36,806 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-04-01 21:21:36,806 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-04-01 21:21:36,806 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-04-01 21:21:36,806 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-04-01 21:21:36,806 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-04-01 21:21:36,806 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-04-01 21:21:36,806 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-04-01 21:21:36,806 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-04-01 21:21:36,806 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-04-01 21:21:36,806 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-04-01 21:21:36,806 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-04-01 21:21:36,806 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-04-01 21:21:36,806 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-04-01 21:21:36,806 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-04-01 21:21:36,806 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-04-01 21:21:36,806 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-04-01 21:21:36,806 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-04-01 21:21:36,807 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-04-01 21:21:36,807 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-04-01 21:21:36,807 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-04-01 21:21:36,807 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-04-01 21:21:36,807 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-04-01 21:21:36,807 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-04-01 21:21:36,807 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-04-01 21:21:36,807 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-04-01 21:21:36,807 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-04-01 21:21:36,807 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 21:21:36,807 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 21:21:36,807 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-04-01 21:21:36,807 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-04-01 21:21:36,807 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-04-01 21:21:36,807 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-04-01 21:21:36,807 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-04-01 21:21:36,808 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-04-01 21:21:36,808 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-04-01 21:21:36,808 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-04-01 21:21:36,808 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-04-01 21:21:36,808 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-04-01 21:21:36,808 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-04-01 21:21:36,808 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-04-01 21:21:36,808 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-04-01 21:21:36,808 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-04-01 21:21:36,808 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-04-01 21:21:36,808 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-04-01 21:21:36,808 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-04-01 21:21:36,808 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-04-01 21:21:36,808 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-04-01 21:21:36,808 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-04-01 21:21:36,808 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-04-01 21:21:36,808 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-04-01 21:21:36,809 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-04-01 21:21:36,809 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-04-01 21:21:36,809 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-04-01 21:21:36,809 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-04-01 21:21:36,809 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-04-01 21:21:36,809 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-04-01 21:21:36,809 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-04-01 21:21:36,809 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-04-01 21:21:36,809 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-04-01 21:21:36,809 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-04-01 21:21:36,809 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-04-01 21:21:36,809 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-04-01 21:21:36,809 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-04-01 21:21:36,809 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-04-01 21:21:36,809 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-04-01 21:21:36,809 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-04-01 21:21:36,809 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-04-01 21:21:36,810 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-04-01 21:21:36,810 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-04-01 21:21:36,810 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-04-01 21:21:36,810 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-04-01 21:21:36,810 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-04-01 21:21:36,810 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-04-01 21:21:36,810 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 21:21:36,810 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 21:21:36,810 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 21:21:36,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 21:21:36,810 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 21:21:36,810 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 21:21:36,810 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 21:21:36,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 21:21:36,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 21:21:36,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 21:21:36,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 21:21:36,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 21:21:36,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 21:21:37,072 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 21:21:37,074 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 21:22:04,620 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 21:22:04,683 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 21:22:04,683 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 21:22:04,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:22:04 BoogieIcfgContainer [2023-04-01 21:22:04,691 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 21:22:04,692 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 21:22:04,693 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 21:22:04,695 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 21:22:04,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 09:21:22" (1/3) ... [2023-04-01 21:22:04,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46eeb027 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:22:04, skipping insertion in model container [2023-04-01 21:22:04,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:21:33" (2/3) ... [2023-04-01 21:22:04,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46eeb027 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:22:04, skipping insertion in model container [2023-04-01 21:22:04,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:22:04" (3/3) ... [2023-04-01 21:22:04,696 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label12.c [2023-04-01 21:22:04,708 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 21:22:04,709 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 21:22:04,852 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 21:22:04,856 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;@6b091698, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-01 21:22:04,857 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 21:22:04,884 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 21:22:05,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10226 [2023-04-01 21:22:05,631 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 21:22:05,636 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] [2023-04-01 21:22:05,637 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 21:22:05,645 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 21:22:05,649 INFO L85 PathProgramCache]: Analyzing trace with hash -724459385, now seen corresponding path program 1 times [2023-04-01 21:22:05,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 21:22:05,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665426385] [2023-04-01 21:22:05,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 21:22:05,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 21:22:08,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 21:25:01,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 21:25:01,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 21:25:01,575 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 21:25:01,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 21:25:01,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665426385] [2023-04-01 21:25:01,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665426385] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 21:25:01,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 21:25:01,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 21:25:01,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880766681] [2023-04-01 21:25:01,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 21:25:01,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-01 21:25:01,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 21:25:01,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-01 21:25:01,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-01 21:25:01,671 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 4 states, 3 states have (on average 3392.0) internal successors, (10176), 2 states have internal predecessors, (10176), 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)