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/Problem12_label36.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 13:18:21,510 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 13:18:21,513 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 13:18:21,525 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 13:18:21,525 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 13:18:21,526 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 13:18:21,528 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 13:18:21,530 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 13:18:21,532 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 13:18:21,532 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 13:18:21,534 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 13:18:21,535 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 13:18:21,535 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 13:18:21,536 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 13:18:21,537 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 13:18:21,538 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 13:18:21,539 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 13:18:21,540 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 13:18:21,542 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 13:18:21,543 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 13:18:21,545 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 13:18:21,546 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 13:18:21,547 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 13:18:21,548 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 13:18:21,550 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 13:18:21,550 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 13:18:21,550 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 13:18:21,551 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 13:18:21,552 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 13:18:21,553 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 13:18:21,553 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 13:18:21,553 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 13:18:21,554 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 13:18:21,555 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 13:18:21,556 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 13:18:21,556 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 13:18:21,557 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 13:18:21,558 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 13:18:21,558 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 13:18:21,559 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 13:18:21,559 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 13:18:21,560 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 13:18:21,575 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 13:18:21,575 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 13:18:21,577 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 13:18:21,577 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 13:18:21,577 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 13:18:21,577 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 13:18:21,578 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 13:18:21,578 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 13:18:21,578 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 13:18:21,578 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 13:18:21,578 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 13:18:21,579 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 13:18:21,579 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 13:18:21,579 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 13:18:21,579 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 13:18:21,579 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 13:18:21,580 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 13:18:21,580 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 13:18:21,580 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 13:18:21,580 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 13:18:21,580 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 13:18:21,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 13:18:21,581 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 13:18:21,581 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 13:18:21,581 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 13:18:21,581 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 13:18:21,582 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 13:18:21,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 13:18:21,582 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 13:18:21,613 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 13:18:21,626 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 13:18:21,631 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 13:18:21,632 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 13:18:21,633 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 13:18:21,633 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem12_label36.c [2019-08-14 13:18:21,712 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/193b8d1ee/aaa80f4831a942dfae4b81e4bf8fd0ba/FLAG8071a4aa1 [2019-08-14 13:18:22,574 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 13:18:22,575 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem12_label36.c [2019-08-14 13:18:22,615 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/193b8d1ee/aaa80f4831a942dfae4b81e4bf8fd0ba/FLAG8071a4aa1 [2019-08-14 13:18:23,044 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/193b8d1ee/aaa80f4831a942dfae4b81e4bf8fd0ba [2019-08-14 13:18:23,054 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 13:18:23,056 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 13:18:23,057 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 13:18:23,058 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 13:18:23,061 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 13:18:23,063 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 01:18:23" (1/1) ... [2019-08-14 13:18:23,066 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56db914a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:18:23, skipping insertion in model container [2019-08-14 13:18:23,066 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 01:18:23" (1/1) ... [2019-08-14 13:18:23,074 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 13:18:23,257 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 13:18:24,775 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 13:18:24,782 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 13:18:25,516 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 13:18:25,557 INFO L192 MainTranslator]: Completed translation [2019-08-14 13:18:25,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:18:25 WrapperNode [2019-08-14 13:18:25,558 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 13:18:25,559 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 13:18:25,559 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 13:18:25,559 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 13:18:25,575 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:18:25" (1/1) ... [2019-08-14 13:18:25,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:18:25" (1/1) ... [2019-08-14 13:18:25,643 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:18:25" (1/1) ... [2019-08-14 13:18:25,645 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:18:25" (1/1) ... [2019-08-14 13:18:25,754 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:18:25" (1/1) ... [2019-08-14 13:18:25,788 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:18:25" (1/1) ... [2019-08-14 13:18:25,828 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:18:25" (1/1) ... [2019-08-14 13:18:25,871 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 13:18:25,872 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 13:18:25,872 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 13:18:25,872 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 13:18:25,874 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:18:25" (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 13:18:25,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 13:18:25,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 13:18:25,939 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 13:18:25,939 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-14 13:18:25,939 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-14 13:18:25,939 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-08-14 13:18:25,940 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 13:18:25,940 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 13:18:25,940 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-14 13:18:25,940 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-14 13:18:25,940 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-08-14 13:18:25,940 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 13:18:25,941 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 13:18:25,941 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 13:18:25,941 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 13:18:25,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 13:18:25,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 13:18:30,978 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 13:18:30,981 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 13:18:30,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 01:18:30 BoogieIcfgContainer [2019-08-14 13:18:30,983 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 13:18:30,984 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 13:18:30,985 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 13:18:30,985 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 13:18:30,986 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 01:18:30" (1/1) ... [2019-08-14 13:19:34,643 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6075 conjuctions. This might take some time... [2019-08-14 13:19:43,331 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12150 conjuctions. This might take some time... [2019-08-14 13:19:55,512 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 36450 conjuctions. This might take some time... [2019-08-14 13:22:17,182 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6075 conjuctions. This might take some time... [2019-08-14 13:22:24,807 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12150 conjuctions. This might take some time... [2019-08-14 13:22:36,446 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 18225 conjuctions. This might take some time... [2019-08-14 13:23:24,346 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 45927 conjuctions. This might take some time... [2019-08-14 13:28:37,770 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12150 conjuctions. This might take some time... [2019-08-14 13:28:49,785 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6075 conjuctions. This might take some time... [2019-08-14 13:28:53,506 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 36450 conjuctions. This might take some time... [2019-08-14 13:31:11,709 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12150 conjuctions. This might take some time... [2019-08-14 13:31:24,285 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6075 conjuctions. This might take some time... [2019-08-14 13:31:27,936 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 18225 conjuctions. This might take some time... [2019-08-14 13:32:11,305 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 91854 conjuctions. This might take some time...