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-reduced/pals_opt-floodmax.4.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 14:47:05,819 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 14:47:05,821 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 14:47:05,833 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 14:47:05,834 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 14:47:05,835 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 14:47:05,836 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 14:47:05,838 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 14:47:05,839 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 14:47:05,840 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 14:47:05,841 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 14:47:05,842 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 14:47:05,843 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 14:47:05,843 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 14:47:05,844 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 14:47:05,846 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 14:47:05,846 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 14:47:05,847 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 14:47:05,849 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 14:47:05,851 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 14:47:05,852 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 14:47:05,853 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 14:47:05,854 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 14:47:05,855 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 14:47:05,857 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 14:47:05,858 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 14:47:05,858 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 14:47:05,859 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 14:47:05,859 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 14:47:05,860 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 14:47:05,860 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 14:47:05,861 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 14:47:05,862 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 14:47:05,862 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 14:47:05,864 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 14:47:05,864 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 14:47:05,864 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 14:47:05,865 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 14:47:05,865 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 14:47:05,866 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 14:47:05,866 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 14:47:05,867 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 14:47:05,884 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 14:47:05,884 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 14:47:05,885 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 14:47:05,886 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 14:47:05,886 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 14:47:05,886 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 14:47:05,888 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 14:47:05,888 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 14:47:05,888 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 14:47:05,888 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 14:47:05,889 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 14:47:05,889 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 14:47:05,889 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 14:47:05,889 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 14:47:05,889 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 14:47:05,889 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 14:47:05,890 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 14:47:05,890 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 14:47:05,890 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 14:47:05,890 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 14:47:05,890 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 14:47:05,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 14:47:05,891 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 14:47:05,892 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 14:47:05,893 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 14:47:05,893 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 14:47:05,893 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 14:47:05,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 14:47:05,894 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 14:47:05,948 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 14:47:05,963 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 14:47:05,967 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 14:47:05,971 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 14:47:05,971 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 14:47:05,972 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.4.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2019-09-06 14:47:06,048 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfc12c9ea/763641f5f1a84f1bba9794f478ee5e59/FLAG4ff0fd6cc [2019-09-06 14:47:06,667 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 14:47:06,668 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.4.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2019-09-06 14:47:06,684 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfc12c9ea/763641f5f1a84f1bba9794f478ee5e59/FLAG4ff0fd6cc [2019-09-06 14:47:06,915 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfc12c9ea/763641f5f1a84f1bba9794f478ee5e59 [2019-09-06 14:47:06,926 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 14:47:06,928 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 14:47:06,929 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 14:47:06,929 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 14:47:06,931 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 14:47:06,932 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 02:47:06" (1/1) ... [2019-09-06 14:47:06,935 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23b28937 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:47:06, skipping insertion in model container [2019-09-06 14:47:06,935 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 02:47:06" (1/1) ... [2019-09-06 14:47:06,941 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 14:47:07,012 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 14:47:07,487 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 14:47:07,504 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 14:47:07,671 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 14:47:07,697 INFO L192 MainTranslator]: Completed translation [2019-09-06 14:47:07,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:47:07 WrapperNode [2019-09-06 14:47:07,697 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 14:47:07,698 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 14:47:07,698 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 14:47:07,699 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 14:47:07,711 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:47:07" (1/1) ... [2019-09-06 14:47:07,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:47:07" (1/1) ... [2019-09-06 14:47:07,730 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:47:07" (1/1) ... [2019-09-06 14:47:07,731 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:47:07" (1/1) ... [2019-09-06 14:47:07,762 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:47:07" (1/1) ... [2019-09-06 14:47:07,786 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:47:07" (1/1) ... [2019-09-06 14:47:07,792 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:47:07" (1/1) ... [2019-09-06 14:47:07,801 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 14:47:07,802 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 14:47:07,802 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 14:47:07,802 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 14:47:07,803 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:47:07" (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 14:47:07,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 14:47:07,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 14:47:07,891 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 14:47:07,892 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 14:47:07,893 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-06 14:47:07,893 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-06 14:47:07,893 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-06 14:47:07,894 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-06 14:47:07,894 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-06 14:47:07,894 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-06 14:47:07,895 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-06 14:47:07,895 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-06 14:47:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-06 14:47:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-06 14:47:07,897 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-06 14:47:07,897 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-06 14:47:07,900 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 14:47:07,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 14:47:07,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 14:47:09,732 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 14:47:09,733 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-06 14:47:09,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 02:47:09 BoogieIcfgContainer [2019-09-06 14:47:09,736 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 14:47:09,737 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 14:47:09,737 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 14:47:09,737 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 14:47:09,738 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 02:47:09" (1/1) ... [2019-09-06 14:47:09,739 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 14:47:09,785 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 14:47:09,786 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 14:47:09,815 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 14:47:09,827 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 14:47:09,829 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 14:47:10,078 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 401 for LOIs