/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/eca-rers2018/Problem16.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 03:09:24,491 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 03:09:24,497 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 03:09:24,540 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 03:09:24,540 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 03:09:24,542 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 03:09:24,544 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 03:09:24,546 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 03:09:24,549 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 03:09:24,551 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 03:09:24,552 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 03:09:24,554 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 03:09:24,554 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 03:09:24,556 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 03:09:24,558 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 03:09:24,559 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 03:09:24,560 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 03:09:24,562 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 03:09:24,580 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 03:09:24,583 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 03:09:24,585 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 03:09:24,587 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 03:09:24,588 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 03:09:24,589 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 03:09:24,592 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 03:09:24,603 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 03:09:24,604 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 03:09:24,605 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 03:09:24,606 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 03:09:24,635 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 03:09:24,635 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 03:09:24,637 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 03:09:24,637 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 03:09:24,638 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 03:09:24,638 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 03:09:24,638 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 03:09:24,638 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 03:09:24,639 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 03:09:24,639 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 03:09:24,639 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 03:09:24,640 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 03:09:24,640 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 03:09:24,640 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 03:09:24,640 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 03:09:24,641 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 03:09:24,641 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 03:09:24,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 03:09:24,642 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 03:09:24,642 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 03:09:24,642 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 03:09:24,643 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 03:09:24,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 03:09:24,643 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 03:09:24,644 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 03:09:24,644 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 03:09:25,085 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 03:09:25,112 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 03:09:25,116 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 03:09:25,117 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 03:09:25,118 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 03:09:25,119 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2018/Problem16.c [2020-12-22 03:09:25,213 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18fb645a6/4520b2c9c27944af9fd08bfc5ad8c135/FLAG805d0704a [2020-12-22 03:09:31,447 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 03:09:31,448 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2018/Problem16.c [2020-12-22 03:09:32,035 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18fb645a6/4520b2c9c27944af9fd08bfc5ad8c135/FLAG805d0704a [2020-12-22 03:09:32,287 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18fb645a6/4520b2c9c27944af9fd08bfc5ad8c135 [2020-12-22 03:09:32,290 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 03:09:32,292 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 03:09:32,293 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 03:09:32,293 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 03:09:32,299 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 03:09:32,300 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:09:32" (1/1) ... [2020-12-22 03:09:32,306 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43c4c4e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:09:32, skipping insertion in model container [2020-12-22 03:09:32,307 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:09:32" (1/1) ... [2020-12-22 03:09:32,315 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 03:09:35,005 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 03:09:35,842 WARN L226 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-rers2018/Problem16.c[778,791] [2020-12-22 03:09:36,011 WARN L226 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-rers2018/Problem16.c[817,830] [2020-12-22 03:11:39,796 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 03:11:39,834 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 03:11:39,850 WARN L226 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-rers2018/Problem16.c[778,791] [2020-12-22 03:11:39,850 WARN L226 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-rers2018/Problem16.c[817,830] [2020-12-22 03:11:47,000 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 03:11:53,413 INFO L208 MainTranslator]: Completed translation [2020-12-22 03:11:53,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:11:53 WrapperNode [2020-12-22 03:11:53,414 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 03:11:53,416 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 03:11:53,416 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 03:11:53,416 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 03:11:53,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:11:53" (1/1) ... [2020-12-22 03:11:55,930 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:11:53" (1/1) ... [2020-12-22 03:12:04,364 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 03:12:04,365 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 03:12:04,365 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 03:12:04,365 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 03:12:04,377 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:11:53" (1/1) ... [2020-12-22 03:12:04,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:11:53" (1/1) ... [2020-12-22 03:12:06,111 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:11:53" (1/1) ... [2020-12-22 03:12:06,112 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:11:53" (1/1) ... [2020-12-22 03:12:10,386 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:11:53" (1/1) ... [2020-12-22 03:12:10,996 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:11:53" (1/1) ... [2020-12-22 03:12:12,089 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:11:53" (1/1) ... [2020-12-22 03:12:13,503 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 03:12:13,517 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 03:12:13,517 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 03:12:13,518 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 03:12:13,519 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:11:53" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 03:12:13,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 03:12:13,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 03:12:13,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 03:12:13,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int