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 ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique NONE -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 02:28:02,997 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 02:28:03,000 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 02:28:03,017 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 02:28:03,017 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 02:28:03,018 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 02:28:03,020 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 02:28:03,021 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 02:28:03,023 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 02:28:03,025 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 02:28:03,026 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 02:28:03,028 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 02:28:03,028 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 02:28:03,029 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 02:28:03,030 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 02:28:03,031 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 02:28:03,032 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 02:28:03,033 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 02:28:03,035 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 02:28:03,037 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 02:28:03,039 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 02:28:03,040 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 02:28:03,041 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 02:28:03,042 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 02:28:03,046 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 02:28:03,046 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 02:28:03,047 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 02:28:03,050 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 02:28:03,051 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 02:28:03,052 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 02:28:03,052 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 02:28:03,054 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 02:28:03,055 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 02:28:03,056 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 02:28:03,057 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 02:28:03,057 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 02:28:03,061 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 02:28:03,062 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 02:28:03,062 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 02:28:03,063 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 02:28:03,063 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 02:28:03,065 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 [2019-09-17 02:28:03,091 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 02:28:03,092 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 02:28:03,093 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 02:28:03,093 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 02:28:03,093 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 02:28:03,094 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 02:28:03,094 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 02:28:03,094 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 02:28:03,094 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 02:28:03,094 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 02:28:03,095 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 02:28:03,095 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 02:28:03,095 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 02:28:03,095 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 02:28:03,095 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 02:28:03,096 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 02:28:03,096 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 02:28:03,096 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 02:28:03,096 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 02:28:03,097 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 02:28:03,097 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 02:28:03,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 02:28:03,097 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 02:28:03,097 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 02:28:03,098 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 02:28:03,098 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 02:28:03,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 02:28:03,098 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 02:28:03,098 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> NONE [2019-09-17 02:28:03,134 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 02:28:03,151 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 02:28:03,155 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 02:28:03,157 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 02:28:03,157 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 02:28:03,158 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2019-09-17 02:28:03,228 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9e9c3380/83b0876949b24fcf92b9f037defa183d/FLAGf9efdae25 [2019-09-17 02:28:03,784 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 02:28:03,785 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2019-09-17 02:28:03,804 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9e9c3380/83b0876949b24fcf92b9f037defa183d/FLAGf9efdae25 [2019-09-17 02:28:04,067 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9e9c3380/83b0876949b24fcf92b9f037defa183d [2019-09-17 02:28:04,078 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 02:28:04,079 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 02:28:04,080 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 02:28:04,080 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 02:28:04,084 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 02:28:04,085 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 02:28:04" (1/1) ... [2019-09-17 02:28:04,088 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f94175d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:28:04, skipping insertion in model container [2019-09-17 02:28:04,088 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 02:28:04" (1/1) ... [2019-09-17 02:28:04,094 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 02:28:04,156 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 02:28:04,655 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 02:28:04,668 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 02:28:04,804 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 02:28:04,823 INFO L192 MainTranslator]: Completed translation [2019-09-17 02:28:04,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:28:04 WrapperNode [2019-09-17 02:28:04,824 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 02:28:04,824 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 02:28:04,825 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 02:28:04,825 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 02:28:04,837 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:28:04" (1/1) ... [2019-09-17 02:28:04,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:28:04" (1/1) ... [2019-09-17 02:28:04,850 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:28:04" (1/1) ... [2019-09-17 02:28:04,851 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:28:04" (1/1) ... [2019-09-17 02:28:04,871 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:28:04" (1/1) ... [2019-09-17 02:28:04,887 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:28:04" (1/1) ... [2019-09-17 02:28:04,892 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:28:04" (1/1) ... [2019-09-17 02:28:04,899 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 02:28:04,900 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 02:28:04,900 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 02:28:04,900 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 02:28:04,901 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:28:04" (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 [2019-09-17 02:28:04,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 02:28:04,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 02:28:04,977 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 02:28:04,977 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 02:28:04,977 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-17 02:28:04,978 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-17 02:28:04,978 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-17 02:28:04,978 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-17 02:28:04,978 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-17 02:28:04,978 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-17 02:28:04,978 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-17 02:28:04,979 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-17 02:28:04,979 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-17 02:28:04,979 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-17 02:28:04,979 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-17 02:28:04,979 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 02:28:04,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 02:28:04,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 02:28:06,809 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 02:28:06,810 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-17 02:28:06,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 02:28:06 BoogieIcfgContainer [2019-09-17 02:28:06,811 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 02:28:06,812 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 02:28:06,812 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 02:28:06,812 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 02:28:06,814 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 02:28:06" (1/1) ... [2019-09-17 02:28:06,814 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ 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=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-17 02:28:06,838 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 02:28:06,838 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 02:28:06,848 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 02:28:06,857 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 02:28:06,859 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 02:28:07,040 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 221 for LOIs [2019-09-17 02:28:09,506 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-09-17 02:28:24,000 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 262144 conjuctions. This might take some time...