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/Problem16_label33.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 03:19:24,613 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 03:19:24,615 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 03:19:24,627 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 03:19:24,627 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 03:19:24,628 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 03:19:24,630 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 03:19:24,631 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 03:19:24,633 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 03:19:24,634 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 03:19:24,635 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 03:19:24,636 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 03:19:24,636 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 03:19:24,637 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 03:19:24,638 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 03:19:24,639 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 03:19:24,640 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 03:19:24,641 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 03:19:24,643 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 03:19:24,645 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 03:19:24,646 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 03:19:24,647 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 03:19:24,648 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 03:19:24,649 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 03:19:24,651 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 03:19:24,652 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 03:19:24,652 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 03:19:24,653 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 03:19:24,653 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 03:19:24,654 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 03:19:24,654 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 03:19:24,655 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 03:19:24,656 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 03:19:24,657 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 03:19:24,658 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 03:19:24,658 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 03:19:24,659 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 03:19:24,659 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 03:19:24,659 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 03:19:24,660 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 03:19:24,661 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 03:19:24,661 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 03:19:24,676 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 03:19:24,676 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 03:19:24,677 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 03:19:24,677 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 03:19:24,678 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 03:19:24,678 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 03:19:24,678 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 03:19:24,678 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 03:19:24,678 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 03:19:24,679 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 03:19:24,679 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 03:19:24,679 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 03:19:24,679 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 03:19:24,679 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 03:19:24,680 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 03:19:24,680 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 03:19:24,680 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 03:19:24,680 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 03:19:24,680 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 03:19:24,680 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 03:19:24,681 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 03:19:24,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 03:19:24,681 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 03:19:24,681 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 03:19:24,682 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 03:19:24,682 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 03:19:24,682 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 03:19:24,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 03:19:24,682 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 03:19:24,728 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 03:19:24,744 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 03:19:24,747 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 03:19:24,749 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 03:19:24,749 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 03:19:24,750 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem16_label33.c [2019-09-06 03:19:24,811 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/526865726/2d08e331e22148e6a5388e60b728e661/FLAG0446203ba [2019-09-06 03:19:25,516 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 03:19:25,517 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem16_label33.c [2019-09-06 03:19:25,536 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/526865726/2d08e331e22148e6a5388e60b728e661/FLAG0446203ba [2019-09-06 03:19:25,622 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/526865726/2d08e331e22148e6a5388e60b728e661 [2019-09-06 03:19:25,633 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 03:19:25,635 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 03:19:25,636 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 03:19:25,636 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 03:19:25,639 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 03:19:25,640 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 03:19:25" (1/1) ... [2019-09-06 03:19:25,642 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@596103fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 03:19:25, skipping insertion in model container [2019-09-06 03:19:25,642 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 03:19:25" (1/1) ... [2019-09-06 03:19:25,650 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 03:19:25,722 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 03:19:26,582 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 03:19:26,594 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 03:19:27,077 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 03:19:27,096 INFO L192 MainTranslator]: Completed translation [2019-09-06 03:19:27,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 03:19:27 WrapperNode [2019-09-06 03:19:27,097 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 03:19:27,098 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 03:19:27,098 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 03:19:27,098 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 03:19:27,112 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 03:19:27" (1/1) ... [2019-09-06 03:19:27,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 03:19:27" (1/1) ... [2019-09-06 03:19:27,156 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 03:19:27" (1/1) ... [2019-09-06 03:19:27,156 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 03:19:27" (1/1) ... [2019-09-06 03:19:27,219 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 03:19:27" (1/1) ... [2019-09-06 03:19:27,237 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 03:19:27" (1/1) ... [2019-09-06 03:19:27,249 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 03:19:27" (1/1) ... [2019-09-06 03:19:27,265 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 03:19:27,265 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 03:19:27,265 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 03:19:27,265 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 03:19:27,267 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 03:19:27" (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 03:19:27,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 03:19:27,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 03:19:27,344 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-09-06 03:19:27,344 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-09-06 03:19:27,345 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 03:19:27,345 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-09-06 03:19:27,346 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-09-06 03:19:27,346 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 03:19:27,346 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-06 03:19:27,346 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-06 03:19:27,347 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 03:19:27,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 03:19:27,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 03:19:29,842 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 03:19:29,842 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-06 03:19:29,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 03:19:29 BoogieIcfgContainer [2019-09-06 03:19:29,852 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 03:19:29,853 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 03:19:29,853 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 03:19:29,853 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 03:19:29,854 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 03:19:29" (1/1) ... [2019-09-06 03:19:29,856 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 03:19:29,883 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 03:19:29,886 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 03:19:29,908 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 03:19:29,921 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 03:19:29,922 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 03:19:30,037 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 49 for LOIs [2019-09-06 03:23:36,309 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 8748 conjuctions. This might take some time... [2019-09-06 03:23:59,865 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 39366 conjuctions. This might take some time... [2019-09-06 03:29:06,013 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 9477 conjuctions. This might take some time... [2019-09-06 03:29:16,081 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 9477 conjuctions. This might take some time... [2019-09-06 03:29:28,331 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 17819 conjuctions. This might take some time... [2019-09-06 03:31:13,253 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 9477 conjuctions. This might take some time... [2019-09-06 03:31:21,194 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 9477 conjuctions. This might take some time... [2019-09-06 03:31:36,616 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 9477 conjuctions. This might take some time... [2019-09-06 03:31:45,315 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 26918 conjuctions. This might take some time...