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/Problem13_label31.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 20:04:46,020 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 20:04:46,022 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 20:04:46,035 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 20:04:46,035 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 20:04:46,036 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 20:04:46,038 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 20:04:46,040 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 20:04:46,042 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 20:04:46,042 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 20:04:46,043 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 20:04:46,045 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 20:04:46,045 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 20:04:46,046 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 20:04:46,047 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 20:04:46,048 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 20:04:46,049 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 20:04:46,050 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 20:04:46,051 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 20:04:46,053 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 20:04:46,055 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 20:04:46,056 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 20:04:46,057 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 20:04:46,058 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 20:04:46,060 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 20:04:46,061 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 20:04:46,061 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 20:04:46,062 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 20:04:46,062 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 20:04:46,063 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 20:04:46,064 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 20:04:46,064 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 20:04:46,065 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 20:04:46,066 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 20:04:46,067 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 20:04:46,067 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 20:04:46,068 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 20:04:46,068 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 20:04:46,068 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 20:04:46,069 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 20:04:46,070 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 20:04:46,071 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 20:04:46,089 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 20:04:46,090 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 20:04:46,094 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 20:04:46,095 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 20:04:46,095 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 20:04:46,096 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 20:04:46,096 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 20:04:46,096 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 20:04:46,097 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 20:04:46,097 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 20:04:46,097 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 20:04:46,097 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 20:04:46,097 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 20:04:46,098 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 20:04:46,098 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 20:04:46,098 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 20:04:46,100 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 20:04:46,100 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 20:04:46,100 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 20:04:46,100 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 20:04:46,101 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 20:04:46,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 20:04:46,101 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 20:04:46,102 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 20:04:46,102 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 20:04:46,102 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 20:04:46,102 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 20:04:46,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 20:04:46,103 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 20:04:46,154 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 20:04:46,171 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 20:04:46,174 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 20:04:46,176 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 20:04:46,176 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 20:04:46,177 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label31.c [2019-08-09 20:04:46,241 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbe3c9cf0/621944fb078b472e8f010ef1f2a6b1b3/FLAGa24fde112 [2019-08-09 20:04:47,059 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 20:04:47,062 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label31.c [2019-08-09 20:04:47,116 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbe3c9cf0/621944fb078b472e8f010ef1f2a6b1b3/FLAGa24fde112 [2019-08-09 20:04:47,563 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbe3c9cf0/621944fb078b472e8f010ef1f2a6b1b3 [2019-08-09 20:04:47,576 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 20:04:47,578 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 20:04:47,579 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 20:04:47,580 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 20:04:47,584 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 20:04:47,585 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 08:04:47" (1/1) ... [2019-08-09 20:04:47,588 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fa30ae9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:04:47, skipping insertion in model container [2019-08-09 20:04:47,589 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 08:04:47" (1/1) ... [2019-08-09 20:04:47,597 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 20:04:47,791 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 20:04:49,528 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 20:04:49,536 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 20:04:50,272 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 20:04:50,308 INFO L192 MainTranslator]: Completed translation [2019-08-09 20:04:50,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:04:50 WrapperNode [2019-08-09 20:04:50,309 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 20:04:50,310 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 20:04:50,310 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 20:04:50,310 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 20:04:50,325 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:04:50" (1/1) ... [2019-08-09 20:04:50,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:04:50" (1/1) ... [2019-08-09 20:04:50,408 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:04:50" (1/1) ... [2019-08-09 20:04:50,409 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:04:50" (1/1) ... [2019-08-09 20:04:50,533 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:04:50" (1/1) ... [2019-08-09 20:04:50,563 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:04:50" (1/1) ... [2019-08-09 20:04:50,615 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:04:50" (1/1) ... [2019-08-09 20:04:50,669 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 20:04:50,669 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 20:04:50,669 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 20:04:50,670 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 20:04:50,671 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:04:50" (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 20:04:50,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 20:04:50,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 20:04:50,736 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 20:04:50,736 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-09 20:04:50,737 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-09 20:04:50,737 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-08-09 20:04:50,737 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 20:04:50,737 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 20:04:50,737 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-09 20:04:50,738 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-09 20:04:50,738 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-08-09 20:04:50,738 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 20:04:50,738 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 20:04:50,738 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 20:04:50,739 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 20:04:50,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 20:04:50,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 20:04:57,356 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 20:04:57,356 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 20:04:57,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 08:04:57 BoogieIcfgContainer [2019-08-09 20:04:57,363 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 20:04:57,364 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 20:04:57,364 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 20:04:57,364 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 20:04:57,365 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 08:04:57" (1/1) ... [2019-08-09 20:05:07,223 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 19683 conjuctions. This might take some time... [2019-08-09 20:07:22,864 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 13122 conjuctions. This might take some time... [2019-08-09 20:07:37,565 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6561 conjuctions. This might take some time... [2019-08-09 20:07:42,253 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 39366 conjuctions. This might take some time... [2019-08-09 20:10:37,141 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 13122 conjuctions. This might take some time... [2019-08-09 20:10:49,532 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6561 conjuctions. This might take some time... [2019-08-09 20:10:56,587 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 19683 conjuctions. This might take some time... [2019-08-09 20:11:45,609 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 59049 conjuctions. This might take some time...