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_label39.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 22:26:11,152 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 22:26:11,154 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 22:26:11,165 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 22:26:11,166 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 22:26:11,167 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 22:26:11,168 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 22:26:11,170 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 22:26:11,172 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 22:26:11,173 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 22:26:11,174 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 22:26:11,175 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 22:26:11,175 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 22:26:11,176 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 22:26:11,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 22:26:11,179 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 22:26:11,179 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 22:26:11,180 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 22:26:11,182 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 22:26:11,184 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 22:26:11,186 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 22:26:11,187 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 22:26:11,188 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 22:26:11,189 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 22:26:11,192 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 22:26:11,192 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 22:26:11,192 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 22:26:11,193 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 22:26:11,194 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 22:26:11,195 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 22:26:11,195 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 22:26:11,196 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 22:26:11,197 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 22:26:11,198 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 22:26:11,199 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 22:26:11,199 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 22:26:11,200 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 22:26:11,200 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 22:26:11,200 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 22:26:11,201 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 22:26:11,202 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 22:26:11,203 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 22:26:11,218 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 22:26:11,219 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 22:26:11,220 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 22:26:11,220 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 22:26:11,220 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 22:26:11,221 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 22:26:11,221 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 22:26:11,221 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 22:26:11,221 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 22:26:11,221 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 22:26:11,222 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 22:26:11,222 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 22:26:11,222 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 22:26:11,222 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 22:26:11,222 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 22:26:11,223 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 22:26:11,223 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 22:26:11,223 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 22:26:11,223 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 22:26:11,223 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 22:26:11,224 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 22:26:11,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 22:26:11,224 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 22:26:11,224 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 22:26:11,225 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 22:26:11,225 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 22:26:11,225 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 22:26:11,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 22:26:11,225 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 22:26:11,254 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 22:26:11,266 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 22:26:11,270 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 22:26:11,271 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 22:26:11,272 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 22:26:11,272 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem16_label39.c [2019-08-09 22:26:11,334 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e74065c4/4196182b576645848afd18cd5f2e00ab/FLAGf5e85a687 [2019-08-09 22:26:12,029 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 22:26:12,030 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem16_label39.c [2019-08-09 22:26:12,053 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e74065c4/4196182b576645848afd18cd5f2e00ab/FLAGf5e85a687 [2019-08-09 22:26:12,168 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e74065c4/4196182b576645848afd18cd5f2e00ab [2019-08-09 22:26:12,177 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 22:26:12,178 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 22:26:12,180 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 22:26:12,181 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 22:26:12,187 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 22:26:12,188 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 10:26:12" (1/1) ... [2019-08-09 22:26:12,191 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b95b47e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 10:26:12, skipping insertion in model container [2019-08-09 22:26:12,191 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 10:26:12" (1/1) ... [2019-08-09 22:26:12,199 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 22:26:12,280 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 22:26:13,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 22:26:13,133 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 22:26:13,571 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 22:26:13,597 INFO L192 MainTranslator]: Completed translation [2019-08-09 22:26:13,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 10:26:13 WrapperNode [2019-08-09 22:26:13,598 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 22:26:13,599 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 22:26:13,599 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 22:26:13,599 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 22:26:13,613 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 10:26:13" (1/1) ... [2019-08-09 22:26:13,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 10:26:13" (1/1) ... [2019-08-09 22:26:13,658 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 10:26:13" (1/1) ... [2019-08-09 22:26:13,659 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 10:26:13" (1/1) ... [2019-08-09 22:26:13,732 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 10:26:13" (1/1) ... [2019-08-09 22:26:13,749 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 10:26:13" (1/1) ... [2019-08-09 22:26:13,761 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 10:26:13" (1/1) ... [2019-08-09 22:26:13,790 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 22:26:13,792 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 22:26:13,793 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 22:26:13,793 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 22:26:13,795 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 10:26:13" (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 22:26:13,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 22:26:13,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 22:26:13,862 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 22:26:13,863 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-09 22:26:13,863 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 22:26:13,863 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 22:26:13,863 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-09 22:26:13,863 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 22:26:13,864 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 22:26:13,864 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 22:26:13,864 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 22:26:13,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 22:26:13,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 22:26:16,171 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 22:26:16,172 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 22:26:16,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 10:26:16 BoogieIcfgContainer [2019-08-09 22:26:16,173 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 22:26:16,174 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 22:26:16,174 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 22:26:16,174 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 22:26:16,175 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 10:26:16" (1/1) ... [2019-08-09 22:26:48,421 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 7290 conjuctions. This might take some time... [2019-08-09 22:27:55,459 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5832 conjuctions. This might take some time... [2019-08-09 22:28:23,617 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 13122 conjuctions. This might take some time... [2019-08-09 22:28:38,304 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6561 conjuctions. This might take some time... [2019-08-09 22:28:44,989 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 39366 conjuctions. This might take some time... [2019-08-09 22:31:27,262 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 13122 conjuctions. This might take some time... [2019-08-09 22:31:43,346 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6561 conjuctions. This might take some time... [2019-08-09 22:31:48,053 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 19683 conjuctions. This might take some time... [2019-08-09 22:32:31,358 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 59049 conjuctions. This might take some time...