/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label14.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 10:29:20,516 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 10:29:20,519 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 10:29:20,537 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 10:29:20,537 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 10:29:20,539 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 10:29:20,541 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 10:29:20,550 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 10:29:20,554 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 10:29:20,557 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 10:29:20,559 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 10:29:20,560 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 10:29:20,560 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 10:29:20,562 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 10:29:20,564 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 10:29:20,565 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 10:29:20,567 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 10:29:20,568 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 10:29:20,569 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 10:29:20,573 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 10:29:20,578 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 10:29:20,582 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 10:29:20,583 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 10:29:20,583 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 10:29:20,585 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 10:29:20,585 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 10:29:20,586 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 10:29:20,587 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 10:29:20,588 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 10:29:20,589 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 10:29:20,589 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 10:29:20,590 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 10:29:20,591 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 10:29:20,592 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 10:29:20,593 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 10:29:20,593 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 10:29:20,593 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 10:29:20,594 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 10:29:20,594 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 10:29:20,595 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 10:29:20,596 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 10:29:20,596 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-24 10:29:20,631 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 10:29:20,632 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 10:29:20,632 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 10:29:20,633 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 10:29:20,633 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 10:29:20,633 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 10:29:20,633 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 10:29:20,633 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 10:29:20,634 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 10:29:20,634 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 10:29:20,634 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 10:29:20,634 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 10:29:20,635 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 10:29:20,635 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 10:29:20,635 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 10:29:20,636 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 10:29:20,636 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 10:29:20,636 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 10:29:20,636 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 10:29:20,636 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 10:29:20,637 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 10:29:20,637 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 10:29:20,637 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 10:29:20,637 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 10:29:20,637 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 10:29:20,637 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 10:29:20,638 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 10:29:20,638 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 10:29:20,638 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 10:29:20,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 10:29:20,638 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 10:29:20,639 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 10:29:20,639 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 10:29:20,639 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 10:29:20,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 10:29:20,639 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 10:29:20,640 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 10:29:20,640 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 10:29:20,916 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 10:29:20,936 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 10:29:20,939 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 10:29:20,942 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 10:29:20,943 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 10:29:20,943 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label14.c [2019-11-24 10:29:21,012 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e27ac45bd/b3badb50d48d4a098d63dd0bd14c3cff/FLAG5e239af6b [2019-11-24 10:29:21,606 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 10:29:21,607 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label14.c [2019-11-24 10:29:21,629 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e27ac45bd/b3badb50d48d4a098d63dd0bd14c3cff/FLAG5e239af6b [2019-11-24 10:29:21,835 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e27ac45bd/b3badb50d48d4a098d63dd0bd14c3cff [2019-11-24 10:29:21,844 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 10:29:21,845 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 10:29:21,846 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 10:29:21,846 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 10:29:21,849 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 10:29:21,850 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:29:21" (1/1) ... [2019-11-24 10:29:21,854 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34feea5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:29:21, skipping insertion in model container [2019-11-24 10:29:21,854 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:29:21" (1/1) ... [2019-11-24 10:29:21,862 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 10:29:21,905 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 10:29:22,439 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:29:22,444 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 10:29:22,554 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:29:22,570 INFO L208 MainTranslator]: Completed translation [2019-11-24 10:29:22,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:29:22 WrapperNode [2019-11-24 10:29:22,570 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 10:29:22,572 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 10:29:22,572 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 10:29:22,572 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 10:29:22,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:29:22" (1/1) ... [2019-11-24 10:29:22,611 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:29:22" (1/1) ... [2019-11-24 10:29:22,680 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 10:29:22,681 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 10:29:22,681 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 10:29:22,681 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 10:29:22,690 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:29:22" (1/1) ... [2019-11-24 10:29:22,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:29:22" (1/1) ... [2019-11-24 10:29:22,696 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:29:22" (1/1) ... [2019-11-24 10:29:22,696 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:29:22" (1/1) ... [2019-11-24 10:29:22,737 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:29:22" (1/1) ... [2019-11-24 10:29:22,764 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:29:22" (1/1) ... [2019-11-24 10:29:22,782 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:29:22" (1/1) ... [2019-11-24 10:29:22,811 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 10:29:22,812 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 10:29:22,812 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 10:29:22,812 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 10:29:22,813 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:29:22" (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 [2019-11-24 10:29:22,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 10:29:22,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 10:29:40,566 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 10:29:40,566 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-24 10:29:40,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:29:40 BoogieIcfgContainer [2019-11-24 10:29:40,567 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 10:29:40,568 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 10:29:40,568 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 10:29:40,568 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 10:29:40,569 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:29:40" (1/1) ... [2019-11-24 10:29:40,570 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-11-24 10:29:40,593 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 10:29:40,593 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 10:29:40,600 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 10:29:40,607 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 10:29:40,609 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 10:29:40,673 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 26 [2019-11-24 10:29:41,388 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 26 [2019-11-24 10:29:41,958 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 26