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/Problem19_label31.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 18:38:14,387 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 18:38:14,389 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 18:38:14,406 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 18:38:14,407 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 18:38:14,408 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 18:38:14,410 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 18:38:14,419 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 18:38:14,422 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 18:38:14,423 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 18:38:14,424 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 18:38:14,426 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 18:38:14,426 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 18:38:14,429 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 18:38:14,431 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 18:38:14,433 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 18:38:14,434 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 18:38:14,435 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 18:38:14,440 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 18:38:14,444 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 18:38:14,448 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 18:38:14,449 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 18:38:14,450 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 18:38:14,451 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 18:38:14,456 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 18:38:14,456 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 18:38:14,456 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 18:38:14,457 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 18:38:14,457 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 18:38:14,459 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 18:38:14,459 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 18:38:14,461 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 18:38:14,462 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 18:38:14,463 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 18:38:14,465 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 18:38:14,465 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 18:38:14,466 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 18:38:14,466 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 18:38:14,467 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 18:38:14,470 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 18:38:14,471 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 18:38:14,472 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 18:38:14,495 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 18:38:14,495 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 18:38:14,499 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 18:38:14,499 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 18:38:14,499 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 18:38:14,499 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 18:38:14,500 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 18:38:14,500 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 18:38:14,500 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 18:38:14,500 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 18:38:14,500 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 18:38:14,501 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 18:38:14,501 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 18:38:14,501 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 18:38:14,501 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 18:38:14,501 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 18:38:14,502 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 18:38:14,502 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 18:38:14,502 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 18:38:14,502 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 18:38:14,502 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 18:38:14,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 18:38:14,503 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 18:38:14,503 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 18:38:14,503 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 18:38:14,503 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 18:38:14,504 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 18:38:14,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 18:38:14,504 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 18:38:14,532 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 18:38:14,545 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 18:38:14,549 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 18:38:14,550 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 18:38:14,551 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 18:38:14,552 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label31.c [2019-08-14 18:38:14,632 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b61af6dd/ecc1339a85e24c3395e9cf0d5d0da21c/FLAG0a1b1d18b [2019-08-14 18:38:15,528 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 18:38:15,529 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label31.c [2019-08-14 18:38:15,574 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b61af6dd/ecc1339a85e24c3395e9cf0d5d0da21c/FLAG0a1b1d18b [2019-08-14 18:38:15,979 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b61af6dd/ecc1339a85e24c3395e9cf0d5d0da21c [2019-08-14 18:38:15,990 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 18:38:15,992 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 18:38:15,994 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 18:38:15,994 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 18:38:15,997 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 18:38:15,998 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 06:38:15" (1/1) ... [2019-08-14 18:38:16,002 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3688045c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:38:15, skipping insertion in model container [2019-08-14 18:38:16,002 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 06:38:15" (1/1) ... [2019-08-14 18:38:16,010 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 18:38:16,244 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 18:38:18,591 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 18:38:18,602 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 18:38:19,970 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 18:38:20,119 INFO L192 MainTranslator]: Completed translation [2019-08-14 18:38:20,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:38:20 WrapperNode [2019-08-14 18:38:20,120 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 18:38:20,121 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 18:38:20,121 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 18:38:20,122 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 18:38:20,136 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:38:20" (1/1) ... [2019-08-14 18:38:20,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:38:20" (1/1) ... [2019-08-14 18:38:20,225 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:38:20" (1/1) ... [2019-08-14 18:38:20,226 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:38:20" (1/1) ... [2019-08-14 18:38:20,369 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:38:20" (1/1) ... [2019-08-14 18:38:20,437 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:38:20" (1/1) ... [2019-08-14 18:38:20,499 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:38:20" (1/1) ... [2019-08-14 18:38:20,584 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 18:38:20,585 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 18:38:20,585 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 18:38:20,585 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 18:38:20,586 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:38:20" (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 18:38:20,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 18:38:20,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 18:38:20,660 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 18:38:20,660 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-14 18:38:20,661 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-14 18:38:20,661 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-08-14 18:38:20,661 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2019-08-14 18:38:20,661 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2019-08-14 18:38:20,662 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 18:38:20,662 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 18:38:20,662 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-14 18:38:20,663 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-14 18:38:20,663 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-08-14 18:38:20,663 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2019-08-14 18:38:20,664 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2019-08-14 18:38:20,664 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 18:38:20,665 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 18:38:20,665 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 18:38:20,666 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 18:38:20,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 18:38:20,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 18:38:31,006 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 18:38:31,007 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 18:38:31,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 06:38:31 BoogieIcfgContainer [2019-08-14 18:38:31,009 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 18:38:31,010 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 18:38:31,010 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 18:38:31,010 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 18:38:31,011 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 06:38:31" (1/1) ... [2019-08-14 18:38:36,412 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 11907 conjuctions. This might take some time... [2019-08-14 18:39:11,993 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5103 conjuctions. This might take some time... [2019-08-14 18:39:29,600 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5832 conjuctions. This might take some time... [2019-08-14 18:40:20,652 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 13122 conjuctions. This might take some time... [2019-08-14 18:40:39,989 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6561 conjuctions. This might take some time... [2019-08-14 18:40:44,600 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 39366 conjuctions. This might take some time... [2019-08-14 18:45:33,200 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 13122 conjuctions. This might take some time... [2019-08-14 18:45:54,125 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 19683 conjuctions. This might take some time... [2019-08-14 18:47:11,640 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 59049 conjuctions. This might take some time...