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/Problem06_label31.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-05 18:08:14,726 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-05 18:08:14,729 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-05 18:08:14,747 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-05 18:08:14,748 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-05 18:08:14,749 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-05 18:08:14,752 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-05 18:08:14,761 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-05 18:08:14,765 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-05 18:08:14,768 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-05 18:08:14,768 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-05 18:08:14,769 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-05 18:08:14,770 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-05 18:08:14,771 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-05 18:08:14,771 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-05 18:08:14,772 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-05 18:08:14,773 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-05 18:08:14,774 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-05 18:08:14,775 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-05 18:08:14,777 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-05 18:08:14,778 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-05 18:08:14,779 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-05 18:08:14,780 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-05 18:08:14,780 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-05 18:08:14,782 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-05 18:08:14,783 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-05 18:08:14,783 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-05 18:08:14,784 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-05 18:08:14,784 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-05 18:08:14,785 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-05 18:08:14,785 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-05 18:08:14,786 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-05 18:08:14,787 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-05 18:08:14,787 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-05 18:08:14,788 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-05 18:08:14,789 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-05 18:08:14,789 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-05 18:08:14,789 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-05 18:08:14,790 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-05 18:08:14,790 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-05 18:08:14,791 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-05 18:08:14,792 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 [2019-09-05 18:08:14,805 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-05 18:08:14,806 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-05 18:08:14,807 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-05 18:08:14,807 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-05 18:08:14,807 INFO L138 SettingsManager]: * Use SBE=true [2019-09-05 18:08:14,807 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-05 18:08:14,808 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-05 18:08:14,808 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-05 18:08:14,808 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-05 18:08:14,808 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-05 18:08:14,808 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-05 18:08:14,809 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-05 18:08:14,809 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-05 18:08:14,809 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-05 18:08:14,809 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-05 18:08:14,809 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-05 18:08:14,810 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-05 18:08:14,810 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-05 18:08:14,810 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-05 18:08:14,810 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-05 18:08:14,810 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-05 18:08:14,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-05 18:08:14,811 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-05 18:08:14,811 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-05 18:08:14,811 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-05 18:08:14,811 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-05 18:08:14,812 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-05 18:08:14,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-05 18:08:14,812 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 [2019-09-05 18:08:14,846 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-05 18:08:14,862 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-05 18:08:14,867 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-05 18:08:14,869 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-05 18:08:14,869 INFO L275 PluginConnector]: CDTParser initialized [2019-09-05 18:08:14,870 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem06_label31.c [2019-09-05 18:08:14,945 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf01c7195/cbe7c6fed4ff457c92c254681cb328b4/FLAG3f976aeda [2019-09-05 18:08:16,012 INFO L306 CDTParser]: Found 1 translation units. [2019-09-05 18:08:16,013 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem06_label31.c [2019-09-05 18:08:16,085 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf01c7195/cbe7c6fed4ff457c92c254681cb328b4/FLAG3f976aeda [2019-09-05 18:08:16,398 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf01c7195/cbe7c6fed4ff457c92c254681cb328b4 [2019-09-05 18:08:16,444 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-05 18:08:16,446 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-05 18:08:16,447 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-05 18:08:16,447 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-05 18:08:16,450 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-05 18:08:16,452 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 06:08:16" (1/1) ... [2019-09-05 18:08:16,454 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@707a561c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 06:08:16, skipping insertion in model container [2019-09-05 18:08:16,454 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 06:08:16" (1/1) ... [2019-09-05 18:08:16,462 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-05 18:08:16,683 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-05 18:08:18,980 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 18:08:18,989 INFO L188 MainTranslator]: Completed pre-run [2019-09-05 18:08:20,336 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 18:08:20,414 INFO L192 MainTranslator]: Completed translation [2019-09-05 18:08:20,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 06:08:20 WrapperNode [2019-09-05 18:08:20,414 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-05 18:08:20,415 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-05 18:08:20,415 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-05 18:08:20,416 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-05 18:08:20,427 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 06:08:20" (1/1) ... [2019-09-05 18:08:20,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 06:08:20" (1/1) ... [2019-09-05 18:08:20,626 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 06:08:20" (1/1) ... [2019-09-05 18:08:20,627 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 06:08:20" (1/1) ... [2019-09-05 18:08:20,802 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 06:08:20" (1/1) ... [2019-09-05 18:08:20,838 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 06:08:20" (1/1) ... [2019-09-05 18:08:20,903 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 06:08:20" (1/1) ... [2019-09-05 18:08:20,949 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-05 18:08:20,950 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-05 18:08:20,950 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-05 18:08:20,950 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-05 18:08:20,951 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 06:08:20" (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 [2019-09-05 18:08:21,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-05 18:08:21,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-05 18:08:21,014 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-09-05 18:08:21,014 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-09-05 18:08:21,015 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-09-05 18:08:21,015 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-09-05 18:08:21,015 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2019-09-05 18:08:21,015 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-05 18:08:21,016 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-09-05 18:08:21,016 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-09-05 18:08:21,016 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-09-05 18:08:21,016 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-09-05 18:08:21,016 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2019-09-05 18:08:21,017 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-05 18:08:21,017 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-05 18:08:21,017 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-05 18:08:21,017 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-05 18:08:21,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-05 18:08:21,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-05 18:08:27,996 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-05 18:08:27,996 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-05 18:08:27,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 06:08:27 BoogieIcfgContainer [2019-09-05 18:08:27,998 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-05 18:08:27,999 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-05 18:08:27,999 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-05 18:08:27,999 INFO L275 PluginConnector]: Sifa initialized [2019-09-05 18:08:28,000 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 06:08:27" (1/1) ... [2019-09-05 18:08:28,001 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 [2019-09-05 18:08:28,023 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-05 18:08:28,023 INFO L169 IcfgInterpreter]: Building call graph [2019-09-05 18:08:28,038 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-05 18:08:28,047 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-05 18:08:28,049 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-05 18:08:28,163 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 202 for LOIs [2019-09-05 18:11:54,251 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5022 conjuctions. This might take some time... [2019-09-05 18:12:48,906 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 8262 conjuctions. This might take some time... [2019-09-05 18:13:13,281 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 8424 conjuctions. This might take some time... [2019-09-05 18:14:35,323 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5022 conjuctions. This might take some time... [2019-09-05 18:14:38,937 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 8424 conjuctions. This might take some time... [2019-09-05 18:20:04,200 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5022 conjuctions. This might take some time... [2019-09-05 18:21:14,275 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5022 conjuctions. This might take some time...