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.5.3.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 14:56:13,799 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 14:56:13,801 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 14:56:13,818 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 14:56:13,818 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 14:56:13,820 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 14:56:13,822 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 14:56:13,825 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 14:56:13,826 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 14:56:13,827 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 14:56:13,828 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 14:56:13,829 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 14:56:13,830 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 14:56:13,831 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 14:56:13,832 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 14:56:13,833 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 14:56:13,834 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 14:56:13,834 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 14:56:13,836 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 14:56:13,838 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 14:56:13,840 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 14:56:13,841 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 14:56:13,842 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 14:56:13,843 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 14:56:13,845 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 14:56:13,845 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 14:56:13,846 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 14:56:13,847 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 14:56:13,847 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 14:56:13,848 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 14:56:13,848 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 14:56:13,849 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 14:56:13,850 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 14:56:13,855 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 14:56:13,856 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 14:56:13,856 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 14:56:13,856 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 14:56:13,857 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 14:56:13,857 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 14:56:13,858 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 14:56:13,859 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 14:56:13,859 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 14:56:13,878 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 14:56:13,879 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 14:56:13,880 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 14:56:13,880 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 14:56:13,881 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 14:56:13,881 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 14:56:13,881 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 14:56:13,881 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 14:56:13,882 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 14:56:13,882 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 14:56:13,882 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 14:56:13,883 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 14:56:13,883 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 14:56:13,883 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 14:56:13,883 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 14:56:13,883 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 14:56:13,884 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 14:56:13,884 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 14:56:13,885 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 14:56:13,885 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 14:56:13,886 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 14:56:13,886 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 14:56:13,886 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 14:56:13,886 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 14:56:13,887 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 14:56:13,887 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 14:56:13,887 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 14:56:13,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 14:56:13,887 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 14:56:13,917 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 14:56:13,932 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 14:56:13,938 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 14:56:13,939 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 14:56:13,939 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 14:56:13,944 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.5.3.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c [2019-09-06 14:56:14,012 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6189f2cd/fe1ad480bb6f4923a7ade7c6978fd191/FLAG3b5a7d6a3 [2019-09-06 14:56:14,723 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 14:56:14,723 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.5.3.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c [2019-09-06 14:56:14,747 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6189f2cd/fe1ad480bb6f4923a7ade7c6978fd191/FLAG3b5a7d6a3 [2019-09-06 14:56:14,884 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6189f2cd/fe1ad480bb6f4923a7ade7c6978fd191 [2019-09-06 14:56:14,895 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 14:56:14,896 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 14:56:14,897 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 14:56:14,897 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 14:56:14,901 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 14:56:14,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 02:56:14" (1/1) ... [2019-09-06 14:56:14,905 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5307f7d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:56:14, skipping insertion in model container [2019-09-06 14:56:14,905 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 02:56:14" (1/1) ... [2019-09-06 14:56:14,913 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 14:56:15,077 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 14:56:16,308 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 14:56:16,328 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 14:56:17,020 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 14:56:17,073 INFO L192 MainTranslator]: Completed translation [2019-09-06 14:56:17,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:56:17 WrapperNode [2019-09-06 14:56:17,074 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 14:56:17,075 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 14:56:17,075 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 14:56:17,076 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 14:56:17,098 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:56:17" (1/1) ... [2019-09-06 14:56:17,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:56:17" (1/1) ... [2019-09-06 14:56:17,170 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:56:17" (1/1) ... [2019-09-06 14:56:17,172 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:56:17" (1/1) ... [2019-09-06 14:56:17,272 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:56:17" (1/1) ... [2019-09-06 14:56:17,337 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:56:17" (1/1) ... [2019-09-06 14:56:17,361 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:56:17" (1/1) ... [2019-09-06 14:56:17,389 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 14:56:17,390 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 14:56:17,390 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 14:56:17,390 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 14:56:17,391 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:56:17" (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 14:56:17,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 14:56:17,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 14:56:17,458 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 14:56:17,459 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 14:56:17,460 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-06 14:56:17,460 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-06 14:56:17,460 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-06 14:56:17,460 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-06 14:56:17,461 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-06 14:56:17,461 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-06 14:56:17,461 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-06 14:56:17,462 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-06 14:56:17,462 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-06 14:56:17,462 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-06 14:56:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-09-06 14:56:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-06 14:56:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-06 14:56:17,466 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 14:56:17,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 14:56:17,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 14:56:21,999 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 14:56:21,999 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-06 14:56:22,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 02:56:22 BoogieIcfgContainer [2019-09-06 14:56:22,002 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 14:56:22,003 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 14:56:22,003 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 14:56:22,003 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 14:56:22,005 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 02:56:22" (1/1) ... [2019-09-06 14:56:22,005 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 14:56:22,045 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 14:56:22,045 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 14:56:22,068 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 14:56:22,080 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 14:56:22,081 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 14:56:22,288 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 605 for LOIs