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 SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 20:25:16,637 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 20:25:16,639 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 20:25:16,650 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 20:25:16,651 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 20:25:16,652 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 20:25:16,653 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 20:25:16,655 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 20:25:16,656 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 20:25:16,657 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 20:25:16,658 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 20:25:16,659 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 20:25:16,660 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 20:25:16,660 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 20:25:16,661 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 20:25:16,662 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 20:25:16,663 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 20:25:16,664 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 20:25:16,666 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 20:25:16,668 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 20:25:16,669 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 20:25:16,670 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 20:25:16,671 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 20:25:16,672 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 20:25:16,675 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 20:25:16,675 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 20:25:16,675 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 20:25:16,676 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 20:25:16,676 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 20:25:16,677 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 20:25:16,678 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 20:25:16,678 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 20:25:16,679 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 20:25:16,680 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 20:25:16,681 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 20:25:16,681 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 20:25:16,681 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 20:25:16,682 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 20:25:16,682 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 20:25:16,683 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 20:25:16,683 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 20:25:16,684 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 [2019-09-16 20:25:16,699 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 20:25:16,701 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 20:25:16,702 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-16 20:25:16,703 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-16 20:25:16,703 INFO L138 SettingsManager]: * Use SBE=true [2019-09-16 20:25:16,703 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 20:25:16,703 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 20:25:16,703 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-16 20:25:16,704 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 20:25:16,704 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 20:25:16,704 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 20:25:16,704 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 20:25:16,704 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 20:25:16,705 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 20:25:16,705 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 20:25:16,706 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-16 20:25:16,706 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 20:25:16,707 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 20:25:16,707 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 20:25:16,707 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-16 20:25:16,707 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-16 20:25:16,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 20:25:16,708 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 20:25:16,708 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 20:25:16,708 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-16 20:25:16,708 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-16 20:25:16,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 20:25:16,708 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-16 20:25:16,709 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 -> SIMPLIFY_DDA [2019-09-16 20:25:16,739 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 20:25:16,751 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 20:25:16,757 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 20:25:16,760 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 20:25:16,761 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 20:25:16,762 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-09-16 20:25:16,827 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/117a4b70d/5e3a3737255042d8918104be9285e902/FLAG9244c08f3 [2019-09-16 20:25:17,335 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 20:25:17,336 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-09-16 20:25:17,348 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/117a4b70d/5e3a3737255042d8918104be9285e902/FLAG9244c08f3 [2019-09-16 20:25:17,692 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/117a4b70d/5e3a3737255042d8918104be9285e902 [2019-09-16 20:25:17,702 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 20:25:17,703 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 20:25:17,704 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 20:25:17,705 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 20:25:17,710 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 20:25:17,711 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 08:25:17" (1/1) ... [2019-09-16 20:25:17,714 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ed50444 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:25:17, skipping insertion in model container [2019-09-16 20:25:17,714 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 08:25:17" (1/1) ... [2019-09-16 20:25:17,719 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 20:25:17,782 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 20:25:18,242 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 20:25:18,268 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 20:25:18,373 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 20:25:18,394 INFO L192 MainTranslator]: Completed translation [2019-09-16 20:25:18,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:25:18 WrapperNode [2019-09-16 20:25:18,394 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 20:25:18,395 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 20:25:18,395 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 20:25:18,395 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 20:25:18,408 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:25:18" (1/1) ... [2019-09-16 20:25:18,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:25:18" (1/1) ... [2019-09-16 20:25:18,421 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:25:18" (1/1) ... [2019-09-16 20:25:18,422 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:25:18" (1/1) ... [2019-09-16 20:25:18,442 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:25:18" (1/1) ... [2019-09-16 20:25:18,459 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:25:18" (1/1) ... [2019-09-16 20:25:18,463 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:25:18" (1/1) ... [2019-09-16 20:25:18,469 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 20:25:18,470 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 20:25:18,470 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 20:25:18,470 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 20:25:18,471 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:25:18" (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 [2019-09-16 20:25:18,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 20:25:18,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 20:25:18,543 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 20:25:18,543 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 20:25:18,543 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-16 20:25:18,543 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-16 20:25:18,543 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-16 20:25:18,544 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-16 20:25:18,544 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-16 20:25:18,544 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-16 20:25:18,544 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-16 20:25:18,544 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-16 20:25:18,545 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-16 20:25:18,545 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-16 20:25:18,545 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-16 20:25:18,545 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-16 20:25:18,545 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 20:25:18,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 20:25:18,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 20:25:20,624 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 20:25:20,625 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-16 20:25:20,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 08:25:20 BoogieIcfgContainer [2019-09-16 20:25:20,626 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 20:25:20,627 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-16 20:25:20,627 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-16 20:25:20,627 INFO L275 PluginConnector]: Sifa initialized [2019-09-16 20:25:20,628 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 08:25:20" (1/1) ... [2019-09-16 20:25:20,629 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=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-16 20:25:20,663 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-16 20:25:20,664 INFO L169 IcfgInterpreter]: Building call graph [2019-09-16 20:25:20,679 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-16 20:25:20,689 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-16 20:25:20,690 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-16 20:25:21,150 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-16 20:25:21,388 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-16 20:25:21,603 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-16 20:25:21,880 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-16 20:25:21,916 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 213 for LOIs