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/Problem12_label52.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 00:13:02,456 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 00:13:02,458 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 00:13:02,469 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 00:13:02,470 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 00:13:02,471 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 00:13:02,472 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 00:13:02,483 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 00:13:02,485 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 00:13:02,486 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 00:13:02,486 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 00:13:02,487 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 00:13:02,488 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 00:13:02,489 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 00:13:02,490 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 00:13:02,491 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 00:13:02,491 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 00:13:02,492 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 00:13:02,494 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 00:13:02,499 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 00:13:02,500 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 00:13:02,502 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 00:13:02,503 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 00:13:02,504 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 00:13:02,507 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 00:13:02,508 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 00:13:02,508 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 00:13:02,509 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 00:13:02,510 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 00:13:02,511 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 00:13:02,511 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 00:13:02,512 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 00:13:02,514 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 00:13:02,514 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 00:13:02,518 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 00:13:02,518 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 00:13:02,519 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 00:13:02,519 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 00:13:02,520 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 00:13:02,520 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 00:13:02,522 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 00:13:02,523 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 00:13:02,551 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 00:13:02,551 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 00:13:02,553 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 00:13:02,553 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 00:13:02,554 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 00:13:02,554 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 00:13:02,554 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 00:13:02,554 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 00:13:02,554 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 00:13:02,555 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 00:13:02,556 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 00:13:02,556 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 00:13:02,556 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 00:13:02,557 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 00:13:02,557 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 00:13:02,557 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 00:13:02,557 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 00:13:02,557 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 00:13:02,558 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 00:13:02,558 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 00:13:02,558 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 00:13:02,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 00:13:02,559 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 00:13:02,559 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 00:13:02,559 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 00:13:02,559 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 00:13:02,560 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 00:13:02,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 00:13:02,560 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 00:13:02,591 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 00:13:02,603 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 00:13:02,607 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 00:13:02,608 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 00:13:02,608 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 00:13:02,609 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem12_label52.c [2019-09-06 00:13:02,667 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38ecc2720/9fb6e914de304f6aa5166ccb6fff7e97/FLAG5179345de [2019-09-06 00:13:03,414 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 00:13:03,415 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem12_label52.c [2019-09-06 00:13:03,451 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38ecc2720/9fb6e914de304f6aa5166ccb6fff7e97/FLAG5179345de [2019-09-06 00:13:03,482 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38ecc2720/9fb6e914de304f6aa5166ccb6fff7e97 [2019-09-06 00:13:03,492 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 00:13:03,494 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 00:13:03,495 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 00:13:03,495 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 00:13:03,498 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 00:13:03,499 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 12:13:03" (1/1) ... [2019-09-06 00:13:03,502 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@771b240b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:13:03, skipping insertion in model container [2019-09-06 00:13:03,502 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 12:13:03" (1/1) ... [2019-09-06 00:13:03,510 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 00:13:03,675 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 00:13:05,001 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 00:13:05,009 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 00:13:05,642 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 00:13:05,671 INFO L192 MainTranslator]: Completed translation [2019-09-06 00:13:05,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:13:05 WrapperNode [2019-09-06 00:13:05,672 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 00:13:05,673 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 00:13:05,673 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 00:13:05,674 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 00:13:05,687 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:13:05" (1/1) ... [2019-09-06 00:13:05,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:13:05" (1/1) ... [2019-09-06 00:13:05,743 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:13:05" (1/1) ... [2019-09-06 00:13:05,743 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:13:05" (1/1) ... [2019-09-06 00:13:05,856 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:13:05" (1/1) ... [2019-09-06 00:13:05,899 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:13:05" (1/1) ... [2019-09-06 00:13:05,930 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:13:05" (1/1) ... [2019-09-06 00:13:05,960 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 00:13:05,961 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 00:13:05,961 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 00:13:05,961 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 00:13:05,962 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:13:05" (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 00:13:06,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 00:13:06,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 00:13:06,041 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-09-06 00:13:06,041 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-09-06 00:13:06,042 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-09-06 00:13:06,042 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-09-06 00:13:06,042 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 00:13:06,042 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-09-06 00:13:06,042 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-09-06 00:13:06,043 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-09-06 00:13:06,043 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-09-06 00:13:06,043 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 00:13:06,044 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-06 00:13:06,044 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-06 00:13:06,045 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 00:13:06,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 00:13:06,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 00:13:10,764 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 00:13:10,764 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-06 00:13:10,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 12:13:10 BoogieIcfgContainer [2019-09-06 00:13:10,766 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 00:13:10,766 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 00:13:10,767 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 00:13:10,767 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 00:13:10,768 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 12:13:10" (1/1) ... [2019-09-06 00:13:10,769 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 00:13:10,793 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 00:13:10,793 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 00:13:10,806 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 00:13:10,815 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 00:13:10,817 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 00:13:10,906 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 56 for LOIs [2019-09-06 00:15:29,000 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 531441 conjuctions. This might take some time...