java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem17_label43.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 17:39:33,535 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 17:39:33,538 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 17:39:33,549 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 17:39:33,550 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 17:39:33,551 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 17:39:33,552 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 17:39:33,554 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 17:39:33,555 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 17:39:33,556 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 17:39:33,557 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 17:39:33,558 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 17:39:33,559 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 17:39:33,560 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 17:39:33,561 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 17:39:33,562 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 17:39:33,562 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 17:39:33,563 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 17:39:33,565 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 17:39:33,568 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 17:39:33,569 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 17:39:33,570 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 17:39:33,572 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 17:39:33,573 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 17:39:33,575 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 17:39:33,576 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 17:39:33,576 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 17:39:33,577 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 17:39:33,578 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 17:39:33,579 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 17:39:33,579 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 17:39:33,580 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 17:39:33,581 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 17:39:33,582 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 17:39:33,583 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 17:39:33,583 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 17:39:33,584 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 17:39:33,584 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 17:39:33,584 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 17:39:33,585 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 17:39:33,586 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 17:39:33,587 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 [2019-08-14 17:39:33,602 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 17:39:33,602 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 17:39:33,604 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 17:39:33,604 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 17:39:33,604 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 17:39:33,604 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 17:39:33,605 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 17:39:33,605 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 17:39:33,605 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 17:39:33,605 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 17:39:33,605 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 17:39:33,606 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 17:39:33,606 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 17:39:33,606 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 17:39:33,606 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 17:39:33,606 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 17:39:33,607 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 17:39:33,607 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 17:39:33,607 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 17:39:33,607 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 17:39:33,607 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 17:39:33,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 17:39:33,608 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 17:39:33,608 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 17:39:33,608 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 17:39:33,608 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 17:39:33,609 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 17:39:33,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 17:39:33,609 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 17:39:33,647 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 17:39:33,661 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 17:39:33,663 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 17:39:33,668 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 17:39:33,668 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 17:39:33,669 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label43.c [2019-08-14 17:39:33,732 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/651ab9b7c/eae73e688c2a4620b767d84edb77e8b8/FLAG15981ca81 [2019-08-14 17:39:34,466 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 17:39:34,469 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label43.c [2019-08-14 17:39:34,505 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/651ab9b7c/eae73e688c2a4620b767d84edb77e8b8/FLAG15981ca81 [2019-08-14 17:39:34,529 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/651ab9b7c/eae73e688c2a4620b767d84edb77e8b8 [2019-08-14 17:39:34,542 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 17:39:34,544 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 17:39:34,547 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 17:39:34,548 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 17:39:34,552 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 17:39:34,553 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 05:39:34" (1/1) ... [2019-08-14 17:39:34,557 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ac5265 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 05:39:34, skipping insertion in model container [2019-08-14 17:39:34,557 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 05:39:34" (1/1) ... [2019-08-14 17:39:34,565 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 17:39:34,679 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 17:39:35,873 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 17:39:35,879 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 17:39:36,269 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 17:39:36,292 INFO L192 MainTranslator]: Completed translation [2019-08-14 17:39:36,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 05:39:36 WrapperNode [2019-08-14 17:39:36,293 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 17:39:36,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 17:39:36,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 17:39:36,294 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 17:39:36,309 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 05:39:36" (1/1) ... [2019-08-14 17:39:36,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 05:39:36" (1/1) ... [2019-08-14 17:39:36,363 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 05:39:36" (1/1) ... [2019-08-14 17:39:36,365 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 05:39:36" (1/1) ... [2019-08-14 17:39:36,480 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 05:39:36" (1/1) ... [2019-08-14 17:39:36,521 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 05:39:36" (1/1) ... [2019-08-14 17:39:36,555 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 05:39:36" (1/1) ... [2019-08-14 17:39:36,589 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 17:39:36,631 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 17:39:36,632 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 17:39:36,632 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 17:39:36,633 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 05:39:36" (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 [2019-08-14 17:39:36,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 17:39:36,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 17:39:36,715 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 17:39:36,715 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-14 17:39:36,715 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 17:39:36,716 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 17:39:36,716 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-14 17:39:36,716 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 17:39:36,717 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 17:39:36,717 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 17:39:36,717 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 17:39:36,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 17:39:36,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 17:39:40,961 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 17:39:40,961 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 17:39:40,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 05:39:40 BoogieIcfgContainer [2019-08-14 17:39:40,966 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 17:39:40,966 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 17:39:40,966 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 17:39:40,967 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 17:39:40,968 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 05:39:40" (1/1) ... [2019-08-14 17:40:06,865 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 142884 conjuctions. This might take some time...