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/Problem15_label07.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 01:52:32,623 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 01:52:32,625 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 01:52:32,642 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 01:52:32,642 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 01:52:32,643 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 01:52:32,644 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 01:52:32,646 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 01:52:32,648 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 01:52:32,648 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 01:52:32,649 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 01:52:32,650 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 01:52:32,651 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 01:52:32,652 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 01:52:32,653 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 01:52:32,654 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 01:52:32,654 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 01:52:32,658 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 01:52:32,660 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 01:52:32,663 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 01:52:32,667 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 01:52:32,668 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 01:52:32,668 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 01:52:32,671 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 01:52:32,673 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 01:52:32,673 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 01:52:32,673 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 01:52:32,674 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 01:52:32,674 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 01:52:32,677 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 01:52:32,677 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 01:52:32,680 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 01:52:32,680 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 01:52:32,681 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 01:52:32,685 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 01:52:32,685 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 01:52:32,686 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 01:52:32,686 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 01:52:32,686 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 01:52:32,688 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 01:52:32,689 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 01:52:32,691 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 01:52:32,718 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 01:52:32,719 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 01:52:32,721 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 01:52:32,721 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 01:52:32,722 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 01:52:32,722 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 01:52:32,722 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 01:52:32,722 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 01:52:32,722 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 01:52:32,723 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 01:52:32,724 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 01:52:32,724 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 01:52:32,724 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 01:52:32,724 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 01:52:32,725 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 01:52:32,725 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 01:52:32,725 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 01:52:32,725 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 01:52:32,725 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 01:52:32,726 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 01:52:32,726 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 01:52:32,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 01:52:32,727 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 01:52:32,727 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 01:52:32,727 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 01:52:32,727 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 01:52:32,727 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 01:52:32,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 01:52:32,728 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 01:52:32,775 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 01:52:32,787 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 01:52:32,790 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 01:52:32,792 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 01:52:32,792 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 01:52:32,793 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem15_label07.c [2019-09-06 01:52:32,851 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ee1ba6d1/053214d724784d368e88d9363ea88939/FLAGc2dd36cbc [2019-09-06 01:52:33,496 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 01:52:33,497 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem15_label07.c [2019-09-06 01:52:33,515 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ee1ba6d1/053214d724784d368e88d9363ea88939/FLAGc2dd36cbc [2019-09-06 01:52:33,665 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ee1ba6d1/053214d724784d368e88d9363ea88939 [2019-09-06 01:52:33,674 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 01:52:33,675 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 01:52:33,676 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 01:52:33,676 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 01:52:33,680 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 01:52:33,681 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 01:52:33" (1/1) ... [2019-09-06 01:52:33,683 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41ee54a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:52:33, skipping insertion in model container [2019-09-06 01:52:33,684 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 01:52:33" (1/1) ... [2019-09-06 01:52:33,691 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 01:52:33,774 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 01:52:34,767 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 01:52:34,777 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 01:52:35,070 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 01:52:35,094 INFO L192 MainTranslator]: Completed translation [2019-09-06 01:52:35,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:52:35 WrapperNode [2019-09-06 01:52:35,096 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 01:52:35,097 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 01:52:35,097 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 01:52:35,097 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 01:52:35,111 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:52:35" (1/1) ... [2019-09-06 01:52:35,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:52:35" (1/1) ... [2019-09-06 01:52:35,155 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:52:35" (1/1) ... [2019-09-06 01:52:35,156 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:52:35" (1/1) ... [2019-09-06 01:52:35,237 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:52:35" (1/1) ... [2019-09-06 01:52:35,254 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:52:35" (1/1) ... [2019-09-06 01:52:35,268 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:52:35" (1/1) ... [2019-09-06 01:52:35,290 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 01:52:35,291 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 01:52:35,291 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 01:52:35,291 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 01:52:35,292 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:52:35" (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 01:52:35,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 01:52:35,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 01:52:35,374 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-09-06 01:52:35,374 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-09-06 01:52:35,374 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 01:52:35,375 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-09-06 01:52:35,375 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-09-06 01:52:35,375 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 01:52:35,375 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-06 01:52:35,376 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-06 01:52:35,376 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 01:52:35,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 01:52:35,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 01:52:39,242 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 01:52:39,242 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-06 01:52:39,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 01:52:39 BoogieIcfgContainer [2019-09-06 01:52:39,244 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 01:52:39,244 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 01:52:39,245 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 01:52:39,245 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 01:52:39,246 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 01:52:39" (1/1) ... [2019-09-06 01:52:39,247 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 01:52:39,278 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 01:52:39,279 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 01:52:39,306 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 01:52:39,319 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 01:52:39,321 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 01:52:39,429 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 52 for LOIs [2019-09-06 01:52:56,425 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 13122 conjuctions. This might take some time... [2019-09-06 01:55:24,422 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 531441 conjuctions. This might take some time...