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/Problem17_label20.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 04:13:26,654 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 04:13:26,656 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 04:13:26,668 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 04:13:26,668 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 04:13:26,669 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 04:13:26,670 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 04:13:26,672 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 04:13:26,674 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 04:13:26,675 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 04:13:26,676 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 04:13:26,677 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 04:13:26,677 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 04:13:26,678 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 04:13:26,679 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 04:13:26,680 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 04:13:26,681 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 04:13:26,682 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 04:13:26,684 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 04:13:26,686 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 04:13:26,687 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 04:13:26,689 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 04:13:26,690 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 04:13:26,691 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 04:13:26,693 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 04:13:26,694 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 04:13:26,694 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 04:13:26,695 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 04:13:26,695 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 04:13:26,696 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 04:13:26,696 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 04:13:26,697 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 04:13:26,698 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 04:13:26,699 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 04:13:26,700 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 04:13:26,700 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 04:13:26,701 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 04:13:26,701 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 04:13:26,701 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 04:13:26,702 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 04:13:26,703 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 04:13:26,704 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 04:13:26,718 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 04:13:26,719 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 04:13:26,720 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 04:13:26,720 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 04:13:26,720 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 04:13:26,721 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 04:13:26,721 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 04:13:26,721 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 04:13:26,721 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 04:13:26,721 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 04:13:26,722 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 04:13:26,722 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 04:13:26,722 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 04:13:26,722 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 04:13:26,722 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 04:13:26,723 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 04:13:26,723 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 04:13:26,723 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 04:13:26,723 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 04:13:26,723 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 04:13:26,724 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 04:13:26,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 04:13:26,724 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 04:13:26,724 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 04:13:26,724 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 04:13:26,724 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 04:13:26,725 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 04:13:26,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 04:13:26,725 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 04:13:26,754 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 04:13:26,773 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 04:13:26,778 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 04:13:26,779 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 04:13:26,780 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 04:13:26,781 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label20.c [2019-09-06 04:13:26,854 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9b73ba27/2967f2634ce54b958eb6b4a2790c7c5b/FLAG11d84375c [2019-09-06 04:13:27,515 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 04:13:27,516 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label20.c [2019-09-06 04:13:27,540 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9b73ba27/2967f2634ce54b958eb6b4a2790c7c5b/FLAG11d84375c [2019-09-06 04:13:27,682 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9b73ba27/2967f2634ce54b958eb6b4a2790c7c5b [2019-09-06 04:13:27,694 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 04:13:27,696 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 04:13:27,697 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 04:13:27,697 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 04:13:27,701 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 04:13:27,702 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 04:13:27" (1/1) ... [2019-09-06 04:13:27,705 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8e5390a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 04:13:27, skipping insertion in model container [2019-09-06 04:13:27,706 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 04:13:27" (1/1) ... [2019-09-06 04:13:27,714 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 04:13:27,863 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 04:13:28,962 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 04:13:28,974 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 04:13:29,465 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 04:13:29,495 INFO L192 MainTranslator]: Completed translation [2019-09-06 04:13:29,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 04:13:29 WrapperNode [2019-09-06 04:13:29,496 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 04:13:29,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 04:13:29,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 04:13:29,497 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 04:13:29,515 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 04:13:29" (1/1) ... [2019-09-06 04:13:29,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 04:13:29" (1/1) ... [2019-09-06 04:13:29,599 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 04:13:29" (1/1) ... [2019-09-06 04:13:29,601 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 04:13:29" (1/1) ... [2019-09-06 04:13:29,783 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 04:13:29" (1/1) ... [2019-09-06 04:13:29,831 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 04:13:29" (1/1) ... [2019-09-06 04:13:29,873 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 04:13:29" (1/1) ... [2019-09-06 04:13:29,925 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 04:13:29,925 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 04:13:29,925 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 04:13:29,926 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 04:13:29,927 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 04:13:29" (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 04:13:30,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 04:13:30,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 04:13:30,001 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-09-06 04:13:30,002 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-09-06 04:13:30,002 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 04:13:30,002 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-09-06 04:13:30,002 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-09-06 04:13:30,003 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 04:13:30,003 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-06 04:13:30,004 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-06 04:13:30,004 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 04:13:30,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 04:13:30,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 04:13:33,949 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 04:13:33,949 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-06 04:13:33,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 04:13:33 BoogieIcfgContainer [2019-09-06 04:13:33,957 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 04:13:33,957 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 04:13:33,957 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 04:13:33,958 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 04:13:33,959 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 04:13:33" (1/1) ... [2019-09-06 04:13:33,959 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 04:13:33,993 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 04:13:33,994 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 04:13:34,014 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 04:13:34,029 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 04:13:34,030 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 04:13:34,134 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 54 for LOIs [2019-09-06 04:14:29,666 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 236196 conjuctions. This might take some time...