/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/Problem01_label22.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 10:03:56,511 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 10:03:56,514 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 10:03:56,532 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 10:03:56,532 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 10:03:56,534 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 10:03:56,536 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 10:03:56,545 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 10:03:56,549 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 10:03:56,552 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 10:03:56,554 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 10:03:56,556 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 10:03:56,556 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 10:03:56,558 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 10:03:56,560 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 10:03:56,561 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 10:03:56,563 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 10:03:56,564 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 10:03:56,566 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 10:03:56,570 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 10:03:56,574 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 10:03:56,578 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 10:03:56,579 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 10:03:56,580 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 10:03:56,582 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 10:03:56,582 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 10:03:56,582 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 10:03:56,584 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 10:03:56,585 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 10:03:56,586 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 10:03:56,586 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 10:03:56,588 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 10:03:56,589 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 10:03:56,590 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 10:03:56,591 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 10:03:56,591 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 10:03:56,592 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 10:03:56,592 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 10:03:56,592 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 10:03:56,593 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 10:03:56,594 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 10:03:56,595 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 10:03:56,626 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 10:03:56,629 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 10:03:56,630 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 10:03:56,630 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 10:03:56,630 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 10:03:56,630 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 10:03:56,630 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 10:03:56,631 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 10:03:56,631 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 10:03:56,631 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 10:03:56,631 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 10:03:56,631 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 10:03:56,632 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 10:03:56,635 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 10:03:56,635 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 10:03:56,636 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 10:03:56,636 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 10:03:56,636 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 10:03:56,636 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 10:03:56,637 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 10:03:56,637 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 10:03:56,637 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 10:03:56,637 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 10:03:56,637 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 10:03:56,638 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 10:03:56,638 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 10:03:56,638 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 10:03:56,638 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 10:03:56,638 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 10:03:56,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 10:03:56,640 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 10:03:56,640 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 10:03:56,640 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 10:03:56,640 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 10:03:56,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 10:03:56,641 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 10:03:56,641 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 10:03:56,641 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 10:03:56,921 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 10:03:56,935 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 10:03:56,939 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 10:03:56,940 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 10:03:56,940 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 10:03:56,941 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label22.c [2019-11-24 10:03:57,011 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17df98371/f9a54c4a02ad4f8f848f5bfa66b8ff8f/FLAG4c0a9a8b4 [2019-11-24 10:03:57,571 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 10:03:57,572 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label22.c [2019-11-24 10:03:57,586 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17df98371/f9a54c4a02ad4f8f848f5bfa66b8ff8f/FLAG4c0a9a8b4 [2019-11-24 10:03:57,857 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17df98371/f9a54c4a02ad4f8f848f5bfa66b8ff8f [2019-11-24 10:03:57,866 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 10:03:57,867 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 10:03:57,868 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 10:03:57,869 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 10:03:57,872 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 10:03:57,873 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:03:57" (1/1) ... [2019-11-24 10:03:57,876 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b91af27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:03:57, skipping insertion in model container [2019-11-24 10:03:57,876 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:03:57" (1/1) ... [2019-11-24 10:03:57,883 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 10:03:57,938 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 10:03:58,472 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:03:58,487 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 10:03:58,607 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:03:58,626 INFO L208 MainTranslator]: Completed translation [2019-11-24 10:03:58,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:03:58 WrapperNode [2019-11-24 10:03:58,626 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 10:03:58,627 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 10:03:58,627 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 10:03:58,627 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 10:03:58,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:03:58" (1/1) ... [2019-11-24 10:03:58,652 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:03:58" (1/1) ... [2019-11-24 10:03:58,716 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 10:03:58,717 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 10:03:58,717 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 10:03:58,717 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 10:03:58,726 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:03:58" (1/1) ... [2019-11-24 10:03:58,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:03:58" (1/1) ... [2019-11-24 10:03:58,730 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:03:58" (1/1) ... [2019-11-24 10:03:58,731 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:03:58" (1/1) ... [2019-11-24 10:03:58,752 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:03:58" (1/1) ... [2019-11-24 10:03:58,763 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:03:58" (1/1) ... [2019-11-24 10:03:58,770 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:03:58" (1/1) ... [2019-11-24 10:03:58,779 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 10:03:58,779 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 10:03:58,780 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 10:03:58,780 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 10:03:58,781 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:03:58" (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 10:03:58,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 10:03:58,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 10:04:00,968 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 10:04:00,970 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-24 10:04:00,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:04:00 BoogieIcfgContainer [2019-11-24 10:04:00,971 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 10:04:00,973 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 10:04:00,973 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 10:04:00,974 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 10:04:00,975 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:04:00" (1/1) ... [2019-11-24 10:04:00,975 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 10:04:01,007 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 10:04:01,007 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 10:04:01,017 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 10:04:01,027 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 10:04:01,028 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 10:04:01,306 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-11-24 10:04:01,535 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-11-24 10:04:03,853 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 56 [2019-11-24 10:04:09,870 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 44521 conjuctions. This might take some time... [2019-11-24 10:04:17,033 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 56 [2019-11-24 10:04:22,929 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 44521 conjuctions. This might take some time... [2019-11-24 10:04:30,027 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 56 [2019-11-24 10:04:33,271 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 44521 conjuctions. This might take some time... [2019-11-24 10:04:41,626 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-11-24 10:04:46,430 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-11-24 10:04:47,878 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-11-24 10:04:47,981 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-11-24 10:04:53,179 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-24 10:04:55,089 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 57 [2019-11-24 10:04:59,784 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 53615 conjuctions. This might take some time... [2019-11-24 10:05:13,543 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 57 [2019-11-24 10:05:16,910 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 53615 conjuctions. This might take some time...