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/seq-mthreaded/pals_floodmax.5.3.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 11:48:10,887 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 11:48:10,889 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 11:48:10,901 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 11:48:10,902 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 11:48:10,903 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 11:48:10,904 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 11:48:10,906 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 11:48:10,907 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 11:48:10,908 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 11:48:10,909 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 11:48:10,910 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 11:48:10,910 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 11:48:10,911 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 11:48:10,912 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 11:48:10,913 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 11:48:10,914 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 11:48:10,915 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 11:48:10,917 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 11:48:10,919 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 11:48:10,920 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 11:48:10,921 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 11:48:10,922 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 11:48:10,923 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 11:48:10,925 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 11:48:10,925 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 11:48:10,925 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 11:48:10,926 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 11:48:10,927 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 11:48:10,927 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 11:48:10,928 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 11:48:10,928 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 11:48:10,929 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 11:48:10,930 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 11:48:10,931 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 11:48:10,931 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 11:48:10,932 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 11:48:10,932 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 11:48:10,932 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 11:48:10,933 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 11:48:10,934 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 11:48:10,935 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 11:48:10,954 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 11:48:10,954 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 11:48:10,955 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 11:48:10,956 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 11:48:10,956 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 11:48:10,956 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 11:48:10,956 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 11:48:10,956 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 11:48:10,957 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 11:48:10,957 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 11:48:10,957 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 11:48:10,957 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 11:48:10,957 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 11:48:10,957 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 11:48:10,958 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 11:48:10,958 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 11:48:10,958 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 11:48:10,958 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 11:48:10,958 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 11:48:10,959 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 11:48:10,959 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 11:48:10,959 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 11:48:10,959 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 11:48:10,959 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 11:48:10,960 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 11:48:10,960 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 11:48:10,960 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 11:48:10,960 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 11:48:10,960 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 11:48:10,988 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 11:48:11,003 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 11:48:11,007 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 11:48:11,009 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 11:48:11,009 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 11:48:11,010 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_floodmax.5.3.ufo.UNBOUNDED.pals.c [2019-09-06 11:48:11,072 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d03ce984/41a641b6523a4b5f81e573915d435f0f/FLAG4e67fd91e [2019-09-06 11:48:11,642 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 11:48:11,643 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_floodmax.5.3.ufo.UNBOUNDED.pals.c [2019-09-06 11:48:11,673 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d03ce984/41a641b6523a4b5f81e573915d435f0f/FLAG4e67fd91e [2019-09-06 11:48:11,839 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d03ce984/41a641b6523a4b5f81e573915d435f0f [2019-09-06 11:48:11,850 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 11:48:11,851 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 11:48:11,852 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 11:48:11,852 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 11:48:11,855 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 11:48:11,857 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 11:48:11" (1/1) ... [2019-09-06 11:48:11,860 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d3601f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:48:11, skipping insertion in model container [2019-09-06 11:48:11,860 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 11:48:11" (1/1) ... [2019-09-06 11:48:11,869 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 11:48:11,951 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 11:48:12,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 11:48:12,638 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 11:48:12,778 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 11:48:12,804 INFO L192 MainTranslator]: Completed translation [2019-09-06 11:48:12,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:48:12 WrapperNode [2019-09-06 11:48:12,805 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 11:48:12,805 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 11:48:12,806 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 11:48:12,806 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 11:48:12,820 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:48:12" (1/1) ... [2019-09-06 11:48:12,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:48:12" (1/1) ... [2019-09-06 11:48:12,847 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:48:12" (1/1) ... [2019-09-06 11:48:12,847 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:48:12" (1/1) ... [2019-09-06 11:48:12,898 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:48:12" (1/1) ... [2019-09-06 11:48:12,955 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:48:12" (1/1) ... [2019-09-06 11:48:12,979 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:48:12" (1/1) ... [2019-09-06 11:48:13,004 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 11:48:13,005 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 11:48:13,005 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 11:48:13,005 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 11:48:13,006 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:48:12" (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 11:48:13,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 11:48:13,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 11:48:13,076 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2019-09-06 11:48:13,077 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2019-09-06 11:48:13,078 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2019-09-06 11:48:13,078 INFO L138 BoogieDeclarations]: Found implementation of procedure node4 [2019-09-06 11:48:13,078 INFO L138 BoogieDeclarations]: Found implementation of procedure node5 [2019-09-06 11:48:13,078 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-09-06 11:48:13,079 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-06 11:48:13,079 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 11:48:13,080 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-09-06 11:48:13,080 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 11:48:13,080 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-06 11:48:13,081 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-06 11:48:13,081 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-06 11:48:13,082 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-06 11:48:13,084 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-06 11:48:13,084 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-06 11:48:13,084 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-06 11:48:13,084 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-06 11:48:13,085 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-06 11:48:13,085 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-06 11:48:13,085 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-06 11:48:13,085 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-09-06 11:48:13,085 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-06 11:48:13,086 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-06 11:48:13,086 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 11:48:13,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 11:48:13,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 11:48:15,354 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 11:48:15,354 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-06 11:48:15,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 11:48:15 BoogieIcfgContainer [2019-09-06 11:48:15,357 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 11:48:15,357 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 11:48:15,357 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 11:48:15,358 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 11:48:15,359 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 11:48:15" (1/1) ... [2019-09-06 11:48:15,360 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 11:48:15,391 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 11:48:15,391 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 11:48:15,412 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 11:48:15,424 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 11:48:15,426 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 11:48:15,696 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 542 for LOIs