/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_label58.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 21:36:24,556 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 21:36:24,557 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 21:36:24,598 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 21:36:24,599 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 21:36:24,601 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 21:36:24,604 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 21:36:24,607 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 21:36:24,608 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 21:36:24,613 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 21:36:24,614 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 21:36:24,614 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 21:36:24,615 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 21:36:24,615 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 21:36:24,616 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 21:36:24,617 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 21:36:24,617 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 21:36:24,618 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 21:36:24,619 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 21:36:24,620 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 21:36:24,621 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 21:36:24,626 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 21:36:24,628 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 21:36:24,629 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 21:36:24,637 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-04-01 21:36:24,645 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 21:36:24,646 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 21:36:24,647 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 21:36:24,648 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 21:36:24,671 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 21:36:24,671 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 21:36:24,672 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 21:36:24,672 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 21:36:24,672 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 21:36:24,673 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 21:36:24,673 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-01 21:36:24,673 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-01 21:36:24,673 INFO L138 SettingsManager]: * Use SBE=true [2023-04-01 21:36:24,673 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 21:36:24,674 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 21:36:24,674 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 21:36:24,674 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 21:36:24,674 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 21:36:24,674 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 21:36:24,674 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 21:36:24,674 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 21:36:24,674 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 21:36:24,674 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 21:36:24,675 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 21:36:24,675 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 21:36:24,675 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 21:36:24,675 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-01 21:36:24,675 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 21:36:24,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 21:36:24,675 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 21:36:24,675 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 21:36:24,676 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 21:36:24,676 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-01 21:36:24,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 21:36:24,676 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-01 21:36:24,676 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 21:36:24,676 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-01 21:36:24,676 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-01 21:36:24,676 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-01 21:36:24,677 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-01 21:36:24,883 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 21:36:24,910 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 21:36:24,912 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 21:36:24,913 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 21:36:24,914 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 21:36:24,915 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem07_label58.c [2023-04-01 21:36:26,063 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 21:36:27,609 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 21:36:27,609 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label58.c [2023-04-01 21:36:27,727 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f08e7b5e/ea98567f6eb04d50911e6577f1790d3f/FLAG49abffdd8 [2023-04-01 21:36:27,742 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f08e7b5e/ea98567f6eb04d50911e6577f1790d3f [2023-04-01 21:36:27,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 21:36:27,745 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 21:36:27,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 21:36:27,746 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 21:36:27,749 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 21:36:27,750 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:36:27" (1/1) ... [2023-04-01 21:36:27,751 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d7a4500 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:36:27, skipping insertion in model container [2023-04-01 21:36:27,751 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:36:27" (1/1) ... [2023-04-01 21:36:27,757 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 21:36:28,419 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 21:36:35,833 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_label58.c[2766771,2766784] [2023-04-01 21:36:35,899 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 21:36:35,908 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 21:36:40,231 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_label58.c[2766771,2766784] [2023-04-01 21:36:40,243 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 21:36:41,139 INFO L208 MainTranslator]: Completed translation [2023-04-01 21:36:41,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:36:41 WrapperNode [2023-04-01 21:36:41,139 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 21:36:41,141 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 21:36:41,141 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 21:36:41,141 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 21:36:41,168 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:36:41" (1/1) ... [2023-04-01 21:36:41,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:36:41" (1/1) ... [2023-04-01 21:36:42,262 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:36:41" (1/1) ... [2023-04-01 21:36:42,262 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:36:41" (1/1) ... [2023-04-01 21:36:44,007 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:36:41" (1/1) ... [2023-04-01 21:36:44,335 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:36:41" (1/1) ... [2023-04-01 21:36:44,520 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:36:41" (1/1) ... [2023-04-01 21:36:44,626 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:36:41" (1/1) ... [2023-04-01 21:36:45,121 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 21:36:45,122 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 21:36:45,122 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 21:36:45,122 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 21:36:45,123 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:36:41" (1/1) ... [2023-04-01 21:36:45,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 21:36:45,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 21:36:45,159 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 21:36:45,167 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 21:36:45,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 21:36:45,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 21:36:45,189 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 21:36:45,189 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 21:36:45,189 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-04-01 21:36:45,189 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-04-01 21:36:45,189 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-04-01 21:36:45,189 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-04-01 21:36:45,189 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-04-01 21:36:45,190 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-04-01 21:36:45,190 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-04-01 21:36:45,190 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-04-01 21:36:45,190 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-04-01 21:36:45,190 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-04-01 21:36:45,190 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-04-01 21:36:45,190 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-04-01 21:36:45,190 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-04-01 21:36:45,190 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-04-01 21:36:45,190 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-04-01 21:36:45,191 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-04-01 21:36:45,191 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-04-01 21:36:45,191 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-04-01 21:36:45,191 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-04-01 21:36:45,191 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-04-01 21:36:45,191 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-04-01 21:36:45,191 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-04-01 21:36:45,191 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-04-01 21:36:45,192 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-04-01 21:36:45,192 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-04-01 21:36:45,192 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-04-01 21:36:45,192 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-04-01 21:36:45,192 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-04-01 21:36:45,192 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-04-01 21:36:45,192 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-04-01 21:36:45,192 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-04-01 21:36:45,192 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-04-01 21:36:45,192 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-04-01 21:36:45,192 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-04-01 21:36:45,192 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-04-01 21:36:45,193 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-04-01 21:36:45,193 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-04-01 21:36:45,193 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-04-01 21:36:45,193 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-04-01 21:36:45,193 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-04-01 21:36:45,193 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-04-01 21:36:45,193 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-04-01 21:36:45,193 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-04-01 21:36:45,193 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-04-01 21:36:45,193 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-04-01 21:36:45,194 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 21:36:45,194 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 21:36:45,194 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-04-01 21:36:45,194 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-04-01 21:36:45,194 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-04-01 21:36:45,194 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-04-01 21:36:45,194 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-04-01 21:36:45,194 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-04-01 21:36:45,194 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-04-01 21:36:45,194 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-04-01 21:36:45,195 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-04-01 21:36:45,195 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-04-01 21:36:45,195 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-04-01 21:36:45,195 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-04-01 21:36:45,195 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-04-01 21:36:45,195 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-04-01 21:36:45,195 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-04-01 21:36:45,195 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-04-01 21:36:45,195 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-04-01 21:36:45,195 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-04-01 21:36:45,195 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-04-01 21:36:45,196 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-04-01 21:36:45,196 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-04-01 21:36:45,196 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-04-01 21:36:45,196 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-04-01 21:36:45,196 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-04-01 21:36:45,196 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-04-01 21:36:45,196 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-04-01 21:36:45,196 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-04-01 21:36:45,196 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-04-01 21:36:45,196 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-04-01 21:36:45,197 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-04-01 21:36:45,197 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-04-01 21:36:45,197 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-04-01 21:36:45,197 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-04-01 21:36:45,197 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-04-01 21:36:45,197 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-04-01 21:36:45,197 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-04-01 21:36:45,197 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-04-01 21:36:45,197 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-04-01 21:36:45,197 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-04-01 21:36:45,197 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-04-01 21:36:45,198 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-04-01 21:36:45,198 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-04-01 21:36:45,198 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-04-01 21:36:45,198 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-04-01 21:36:45,198 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-04-01 21:36:45,198 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 21:36:45,198 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 21:36:45,198 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 21:36:45,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 21:36:45,198 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 21:36:45,199 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 21:36:45,199 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 21:36:45,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 21:36:45,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 21:36:45,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 21:36:45,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 21:36:45,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 21:36:45,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 21:36:45,327 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 21:36:45,334 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 21:37:16,859 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 21:37:16,920 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 21:37:16,921 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 21:37:16,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:37:16 BoogieIcfgContainer [2023-04-01 21:37:16,930 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 21:37:16,932 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 21:37:16,932 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 21:37:16,935 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 21:37:16,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 09:36:27" (1/3) ... [2023-04-01 21:37:16,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24d8c505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:37:16, skipping insertion in model container [2023-04-01 21:37:16,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:36:41" (2/3) ... [2023-04-01 21:37:16,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24d8c505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:37:16, skipping insertion in model container [2023-04-01 21:37:16,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:37:16" (3/3) ... [2023-04-01 21:37:16,937 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label58.c [2023-04-01 21:37:16,952 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 21:37:16,952 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 21:37:17,137 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 21:37:17,143 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;@5b00dedd, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-01 21:37:17,143 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 21:37:17,177 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 21:37:18,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10183 [2023-04-01 21:37:18,096 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 21:37:18,103 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] [2023-04-01 21:37:18,104 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 21:37:18,113 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 21:37:18,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1335113058, now seen corresponding path program 1 times [2023-04-01 21:37:18,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 21:37:18,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248097851] [2023-04-01 21:37:18,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 21:37:18,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 21:37:21,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat