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_label05.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 16:56:13,511 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 16:56:13,513 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 16:56:13,525 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 16:56:13,525 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 16:56:13,526 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 16:56:13,528 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 16:56:13,529 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 16:56:13,531 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 16:56:13,532 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 16:56:13,533 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 16:56:13,534 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 16:56:13,534 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 16:56:13,535 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 16:56:13,536 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 16:56:13,537 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 16:56:13,538 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 16:56:13,539 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 16:56:13,541 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 16:56:13,542 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 16:56:13,544 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 16:56:13,545 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 16:56:13,546 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 16:56:13,547 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 16:56:13,549 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 16:56:13,549 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 16:56:13,549 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 16:56:13,550 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 16:56:13,550 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 16:56:13,551 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 16:56:13,552 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 16:56:13,552 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 16:56:13,553 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 16:56:13,554 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 16:56:13,555 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 16:56:13,555 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 16:56:13,556 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 16:56:13,556 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 16:56:13,556 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 16:56:13,557 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 16:56:13,557 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 16:56:13,558 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 16:56:13,574 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 16:56:13,574 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 16:56:13,575 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 16:56:13,576 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 16:56:13,576 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 16:56:13,577 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 16:56:13,577 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 16:56:13,577 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 16:56:13,577 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 16:56:13,578 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 16:56:13,578 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 16:56:13,578 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 16:56:13,578 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 16:56:13,578 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 16:56:13,579 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 16:56:13,579 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 16:56:13,579 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 16:56:13,580 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 16:56:13,581 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 16:56:13,581 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 16:56:13,581 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 16:56:13,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 16:56:13,582 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 16:56:13,582 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 16:56:13,582 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 16:56:13,583 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 16:56:13,583 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 16:56:13,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 16:56:13,583 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 16:56:13,617 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 16:56:13,634 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 16:56:13,637 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 16:56:13,639 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 16:56:13,639 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 16:56:13,639 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label05.c [2019-08-14 16:56:13,699 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fe310951/c8ac8225af5045478c2f9fda84004863/FLAGf61a4f6e4 [2019-08-14 16:56:14,411 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 16:56:14,414 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label05.c [2019-08-14 16:56:14,439 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fe310951/c8ac8225af5045478c2f9fda84004863/FLAGf61a4f6e4 [2019-08-14 16:56:14,576 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fe310951/c8ac8225af5045478c2f9fda84004863 [2019-08-14 16:56:14,587 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 16:56:14,588 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 16:56:14,591 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 16:56:14,591 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 16:56:14,595 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 16:56:14,596 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 04:56:14" (1/1) ... [2019-08-14 16:56:14,599 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6eeb490c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 04:56:14, skipping insertion in model container [2019-08-14 16:56:14,599 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 04:56:14" (1/1) ... [2019-08-14 16:56:14,607 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 16:56:14,711 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 16:56:15,914 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 16:56:15,920 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 16:56:16,306 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 16:56:16,328 INFO L192 MainTranslator]: Completed translation [2019-08-14 16:56:16,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 04:56:16 WrapperNode [2019-08-14 16:56:16,329 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 16:56:16,330 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 16:56:16,330 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 16:56:16,331 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 16:56:16,346 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 04:56:16" (1/1) ... [2019-08-14 16:56:16,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 04:56:16" (1/1) ... [2019-08-14 16:56:16,426 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 04:56:16" (1/1) ... [2019-08-14 16:56:16,428 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 04:56:16" (1/1) ... [2019-08-14 16:56:16,541 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 04:56:16" (1/1) ... [2019-08-14 16:56:16,574 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 04:56:16" (1/1) ... [2019-08-14 16:56:16,607 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 04:56:16" (1/1) ... [2019-08-14 16:56:16,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 16:56:16,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 16:56:16,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 16:56:16,638 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 16:56:16,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 04:56:16" (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 16:56:16,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 16:56:16,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 16:56:16,700 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 16:56:16,700 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-14 16:56:16,700 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 16:56:16,701 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 16:56:16,701 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-14 16:56:16,701 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 16:56:16,701 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 16:56:16,701 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 16:56:16,702 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 16:56:16,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 16:56:16,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 16:56:21,875 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 16:56:21,875 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 16:56:21,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 04:56:21 BoogieIcfgContainer [2019-08-14 16:56:21,877 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 16:56:21,878 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 16:56:21,878 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 16:56:21,878 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 16:56:21,879 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 04:56:21" (1/1) ... [2019-08-14 16:56:48,705 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 142884 conjuctions. This might take some time...