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 --sifa.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/eca-rers2012/Problem19_label20.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 06:12:25,826 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 06:12:25,828 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 06:12:25,846 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 06:12:25,846 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 06:12:25,848 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 06:12:25,850 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 06:12:25,857 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 06:12:25,858 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 06:12:25,859 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 06:12:25,860 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 06:12:25,861 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 06:12:25,861 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 06:12:25,862 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 06:12:25,863 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 06:12:25,864 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 06:12:25,865 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 06:12:25,866 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 06:12:25,867 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 06:12:25,869 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 06:12:25,870 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 06:12:25,871 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 06:12:25,872 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 06:12:25,873 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 06:12:25,875 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 06:12:25,875 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 06:12:25,875 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 06:12:25,876 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 06:12:25,877 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 06:12:25,877 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 06:12:25,878 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 06:12:25,878 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 06:12:25,879 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 06:12:25,880 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 06:12:25,881 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 06:12:25,881 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 06:12:25,882 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 06:12:25,882 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 06:12:25,882 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 06:12:25,883 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 06:12:25,884 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 06:12:25,886 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 [2019-09-06 06:12:25,900 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 06:12:25,900 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 06:12:25,902 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 06:12:25,902 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 06:12:25,902 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 06:12:25,902 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 06:12:25,902 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 06:12:25,903 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 06:12:25,903 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 06:12:25,903 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 06:12:25,903 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 06:12:25,903 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 06:12:25,904 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 06:12:25,904 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 06:12:25,904 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 06:12:25,904 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 06:12:25,904 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 06:12:25,905 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 06:12:25,905 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 06:12:25,905 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 06:12:25,905 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 06:12:25,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 06:12:25,906 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 06:12:25,906 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 06:12:25,906 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 06:12:25,906 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 06:12:25,906 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 06:12:25,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 06:12:25,907 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2019-09-06 06:12:25,935 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 06:12:25,952 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 06:12:25,957 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 06:12:25,958 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 06:12:25,958 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 06:12:25,959 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label20.c [2019-09-06 06:12:26,027 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/320645902/676839345bbb41a9983dec34dd0a2a43/FLAG55094498b [2019-09-06 06:12:26,926 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 06:12:26,927 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label20.c [2019-09-06 06:12:26,982 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/320645902/676839345bbb41a9983dec34dd0a2a43/FLAG55094498b [2019-09-06 06:12:27,369 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/320645902/676839345bbb41a9983dec34dd0a2a43 [2019-09-06 06:12:27,380 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 06:12:27,382 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 06:12:27,383 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 06:12:27,383 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 06:12:27,387 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 06:12:27,388 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 06:12:27" (1/1) ... [2019-09-06 06:12:27,391 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bc6461a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 06:12:27, skipping insertion in model container [2019-09-06 06:12:27,392 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 06:12:27" (1/1) ... [2019-09-06 06:12:27,399 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 06:12:27,649 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 06:12:29,860 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 06:12:29,866 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 06:12:30,945 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 06:12:30,998 INFO L192 MainTranslator]: Completed translation [2019-09-06 06:12:30,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 06:12:30 WrapperNode [2019-09-06 06:12:30,999 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 06:12:30,999 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 06:12:31,000 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 06:12:31,000 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 06:12:31,013 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 06:12:30" (1/1) ... [2019-09-06 06:12:31,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 06:12:30" (1/1) ... [2019-09-06 06:12:31,076 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 06:12:30" (1/1) ... [2019-09-06 06:12:31,076 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 06:12:30" (1/1) ... [2019-09-06 06:12:31,214 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 06:12:30" (1/1) ... [2019-09-06 06:12:31,277 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 06:12:30" (1/1) ... [2019-09-06 06:12:31,339 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 06:12:30" (1/1) ... [2019-09-06 06:12:31,431 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 06:12:31,431 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 06:12:31,431 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 06:12:31,431 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 06:12:31,433 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 06:12:30" (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 [2019-09-06 06:12:31,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 06:12:31,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 06:12:31,495 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-09-06 06:12:31,495 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-09-06 06:12:31,496 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-09-06 06:12:31,496 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-09-06 06:12:31,496 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2019-09-06 06:12:31,496 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2019-09-06 06:12:31,496 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 06:12:31,496 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-09-06 06:12:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-09-06 06:12:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-09-06 06:12:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-09-06 06:12:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2019-09-06 06:12:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2019-09-06 06:12:31,498 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 06:12:31,498 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-06 06:12:31,498 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-06 06:12:31,498 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 06:12:31,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 06:12:31,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 06:12:42,080 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 06:12:42,081 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-06 06:12:42,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 06:12:42 BoogieIcfgContainer [2019-09-06 06:12:42,083 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 06:12:42,083 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 06:12:42,084 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 06:12:42,084 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 06:12:42,090 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 06:12:42" (1/1) ... [2019-09-06 06:12:42,090 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-06 06:12:42,136 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 06:12:42,137 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 06:12:42,170 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 06:12:42,185 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 06:12:42,186 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 06:12:42,326 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 58 for LOIs [2019-09-06 06:13:13,065 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 13122 conjuctions. This might take some time... [2019-09-06 06:13:29,894 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6561 conjuctions. This might take some time... [2019-09-06 06:13:33,131 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 39366 conjuctions. This might take some time... [2019-09-06 06:17:44,034 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6561 conjuctions. This might take some time... [2019-09-06 06:17:49,422 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 13122 conjuctions. This might take some time... [2019-09-06 06:18:04,162 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 19683 conjuctions. This might take some time... [2019-09-06 06:19:02,604 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 177147 conjuctions. This might take some time...