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/Problem11_label42.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 12:34:17,257 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 12:34:17,259 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 12:34:17,271 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 12:34:17,271 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 12:34:17,272 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 12:34:17,274 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 12:34:17,276 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 12:34:17,277 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 12:34:17,278 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 12:34:17,279 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 12:34:17,281 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 12:34:17,281 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 12:34:17,282 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 12:34:17,283 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 12:34:17,284 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 12:34:17,285 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 12:34:17,286 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 12:34:17,291 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 12:34:17,293 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 12:34:17,301 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 12:34:17,305 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 12:34:17,306 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 12:34:17,307 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 12:34:17,314 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 12:34:17,315 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 12:34:17,315 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 12:34:17,316 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 12:34:17,317 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 12:34:17,319 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 12:34:17,319 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 12:34:17,320 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 12:34:17,321 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 12:34:17,322 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 12:34:17,324 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 12:34:17,324 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 12:34:17,325 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 12:34:17,325 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 12:34:17,325 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 12:34:17,329 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 12:34:17,330 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 12:34:17,331 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 12:34:17,355 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 12:34:17,356 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 12:34:17,358 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 12:34:17,358 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 12:34:17,358 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 12:34:17,358 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 12:34:17,359 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 12:34:17,359 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 12:34:17,359 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 12:34:17,359 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 12:34:17,360 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 12:34:17,360 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 12:34:17,361 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 12:34:17,361 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 12:34:17,361 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 12:34:17,362 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 12:34:17,362 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 12:34:17,362 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 12:34:17,362 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 12:34:17,362 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 12:34:17,363 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 12:34:17,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 12:34:17,363 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 12:34:17,363 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 12:34:17,364 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 12:34:17,364 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 12:34:17,364 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 12:34:17,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 12:34:17,365 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 12:34:17,412 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 12:34:17,425 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 12:34:17,429 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 12:34:17,431 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 12:34:17,432 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 12:34:17,432 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label42.c [2019-08-14 12:34:17,506 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccbefe082/ab03eee4715349f7a982211c11162015/FLAGe761d1fd0 [2019-08-14 12:34:18,117 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 12:34:18,118 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label42.c [2019-08-14 12:34:18,134 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccbefe082/ab03eee4715349f7a982211c11162015/FLAGe761d1fd0 [2019-08-14 12:34:18,316 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccbefe082/ab03eee4715349f7a982211c11162015 [2019-08-14 12:34:18,327 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 12:34:18,329 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 12:34:18,330 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 12:34:18,330 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 12:34:18,334 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 12:34:18,335 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 12:34:18" (1/1) ... [2019-08-14 12:34:18,338 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e6f7f13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 12:34:18, skipping insertion in model container [2019-08-14 12:34:18,339 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 12:34:18" (1/1) ... [2019-08-14 12:34:18,347 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 12:34:18,420 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 12:34:19,080 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 12:34:19,089 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 12:34:19,551 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 12:34:19,576 INFO L192 MainTranslator]: Completed translation [2019-08-14 12:34:19,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 12:34:19 WrapperNode [2019-08-14 12:34:19,577 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 12:34:19,578 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 12:34:19,578 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 12:34:19,578 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 12:34:19,598 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 12:34:19" (1/1) ... [2019-08-14 12:34:19,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 12:34:19" (1/1) ... [2019-08-14 12:34:19,621 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 12:34:19" (1/1) ... [2019-08-14 12:34:19,622 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 12:34:19" (1/1) ... [2019-08-14 12:34:19,678 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 12:34:19" (1/1) ... [2019-08-14 12:34:19,692 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 12:34:19" (1/1) ... [2019-08-14 12:34:19,708 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 12:34:19" (1/1) ... [2019-08-14 12:34:19,738 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 12:34:19,739 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 12:34:19,739 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 12:34:19,740 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 12:34:19,741 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 12:34:19" (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 12:34:19,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 12:34:19,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 12:34:19,836 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 12:34:19,836 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 12:34:19,837 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 12:34:19,837 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 12:34:19,837 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 12:34:19,838 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 12:34:19,838 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 12:34:19,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 12:34:19,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 12:34:21,728 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 12:34:21,728 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 12:34:21,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 12:34:21 BoogieIcfgContainer [2019-08-14 12:34:21,734 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 12:34:21,735 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 12:34:21,735 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 12:34:21,735 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 12:34:21,737 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 12:34:21" (1/1) ... [2019-08-14 12:34:32,600 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6561 conjuctions. This might take some time... [2019-08-14 12:34:53,563 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 19683 conjuctions. This might take some time... [2019-08-14 12:35:48,187 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 531441 conjuctions. This might take some time...