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/Problem16_label36.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 22:15:39,647 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 22:15:39,649 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 22:15:39,664 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 22:15:39,665 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 22:15:39,666 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 22:15:39,667 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 22:15:39,669 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 22:15:39,670 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 22:15:39,671 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 22:15:39,672 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 22:15:39,673 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 22:15:39,674 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 22:15:39,674 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 22:15:39,675 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 22:15:39,676 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 22:15:39,677 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 22:15:39,678 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 22:15:39,680 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 22:15:39,682 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 22:15:39,683 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 22:15:39,684 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 22:15:39,685 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 22:15:39,686 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 22:15:39,690 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 22:15:39,693 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 22:15:39,693 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 22:15:39,694 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 22:15:39,695 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 22:15:39,696 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 22:15:39,696 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 22:15:39,696 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 22:15:39,697 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 22:15:39,698 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 22:15:39,700 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 22:15:39,701 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 22:15:39,704 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 22:15:39,705 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 22:15:39,705 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 22:15:39,706 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 22:15:39,706 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 22:15:39,708 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 [2019-08-09 22:15:39,730 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 22:15:39,730 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 22:15:39,731 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 22:15:39,731 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 22:15:39,731 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 22:15:39,732 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 22:15:39,732 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 22:15:39,732 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 22:15:39,732 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 22:15:39,733 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 22:15:39,733 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 22:15:39,733 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 22:15:39,733 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 22:15:39,733 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 22:15:39,734 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 22:15:39,734 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 22:15:39,734 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 22:15:39,734 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 22:15:39,734 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 22:15:39,735 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 22:15:39,735 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 22:15:39,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 22:15:39,735 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 22:15:39,735 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 22:15:39,736 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 22:15:39,736 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 22:15:39,736 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 22:15:39,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 22:15:39,737 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 22:15:39,764 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 22:15:39,777 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 22:15:39,780 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 22:15:39,782 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 22:15:39,782 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 22:15:39,783 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem16_label36.c [2019-08-09 22:15:39,842 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/414810f37/ceb08823c58d42a99319fea50fff1b4d/FLAGe8607c7b9 [2019-08-09 22:15:40,474 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 22:15:40,475 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem16_label36.c [2019-08-09 22:15:40,492 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/414810f37/ceb08823c58d42a99319fea50fff1b4d/FLAGe8607c7b9 [2019-08-09 22:15:40,680 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/414810f37/ceb08823c58d42a99319fea50fff1b4d [2019-08-09 22:15:40,694 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 22:15:40,696 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 22:15:40,697 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 22:15:40,697 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 22:15:40,701 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 22:15:40,702 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 10:15:40" (1/1) ... [2019-08-09 22:15:40,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@539391d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 10:15:40, skipping insertion in model container [2019-08-09 22:15:40,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 10:15:40" (1/1) ... [2019-08-09 22:15:40,712 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 22:15:40,786 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 22:15:41,709 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 22:15:41,718 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 22:15:42,031 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 22:15:42,057 INFO L192 MainTranslator]: Completed translation [2019-08-09 22:15:42,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 10:15:42 WrapperNode [2019-08-09 22:15:42,057 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 22:15:42,058 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 22:15:42,058 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 22:15:42,059 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 22:15:42,072 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 10:15:42" (1/1) ... [2019-08-09 22:15:42,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 10:15:42" (1/1) ... [2019-08-09 22:15:42,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 10:15:42" (1/1) ... [2019-08-09 22:15:42,115 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 10:15:42" (1/1) ... [2019-08-09 22:15:42,171 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 10:15:42" (1/1) ... [2019-08-09 22:15:42,210 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 10:15:42" (1/1) ... [2019-08-09 22:15:42,229 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 10:15:42" (1/1) ... [2019-08-09 22:15:42,245 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 22:15:42,246 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 22:15:42,246 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 22:15:42,246 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 22:15:42,247 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 10:15:42" (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 [2019-08-09 22:15:42,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 22:15:42,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 22:15:42,317 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 22:15:42,317 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-09 22:15:42,318 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 22:15:42,318 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 22:15:42,318 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-09 22:15:42,319 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 22:15:42,319 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 22:15:42,319 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 22:15:42,319 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 22:15:42,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 22:15:42,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 22:15:44,767 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 22:15:44,767 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 22:15:44,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 10:15:44 BoogieIcfgContainer [2019-08-09 22:15:44,774 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 22:15:44,775 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 22:15:44,775 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 22:15:44,778 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 22:15:44,779 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 10:15:44" (1/1) ... [2019-08-09 22:16:18,607 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 7290 conjuctions. This might take some time... [2019-08-09 22:17:27,450 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5832 conjuctions. This might take some time... [2019-08-09 22:17:57,433 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 13122 conjuctions. This might take some time... [2019-08-09 22:18:14,620 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6561 conjuctions. This might take some time... [2019-08-09 22:18:22,584 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 39366 conjuctions. This might take some time... [2019-08-09 22:21:17,455 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 13122 conjuctions. This might take some time... [2019-08-09 22:21:34,712 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6561 conjuctions. This might take some time... [2019-08-09 22:21:42,225 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 19683 conjuctions. This might take some time... [2019-08-09 22:22:31,773 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 59049 conjuctions. This might take some time...