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.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK --sifa.max.parallel.explicit.values 2 --sifa.sizelimitfluid.max.disjunctions 4 -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-ba7495b [2019-09-25 17:12:24,545 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 17:12:24,547 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 17:12:24,559 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 17:12:24,560 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 17:12:24,561 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 17:12:24,562 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 17:12:24,564 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 17:12:24,566 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 17:12:24,567 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 17:12:24,568 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 17:12:24,570 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 17:12:24,570 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 17:12:24,571 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 17:12:24,572 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 17:12:24,573 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 17:12:24,574 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 17:12:24,576 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 17:12:24,578 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 17:12:24,580 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 17:12:24,582 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 17:12:24,583 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 17:12:24,584 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 17:12:24,585 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 17:12:24,588 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 17:12:24,588 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 17:12:24,588 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 17:12:24,589 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 17:12:24,590 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 17:12:24,591 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 17:12:24,591 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 17:12:24,592 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 17:12:24,592 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 17:12:24,593 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 17:12:24,594 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 17:12:24,594 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 17:12:24,595 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 17:12:24,595 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 17:12:24,596 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 17:12:24,597 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 17:12:24,597 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 17:12:24,601 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 [2019-09-25 17:12:24,616 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 17:12:24,617 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 17:12:24,618 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 17:12:24,618 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 17:12:24,619 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 17:12:24,619 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 17:12:24,619 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 17:12:24,619 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 17:12:24,620 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 17:12:24,620 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 17:12:24,620 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 17:12:24,620 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 17:12:24,620 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 17:12:24,620 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 17:12:24,621 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 17:12:24,621 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 17:12:24,621 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 17:12:24,621 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 17:12:24,621 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 17:12:24,622 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 17:12:24,622 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 17:12:24,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:12:24,622 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 17:12:24,623 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 17:12:24,623 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 17:12:24,623 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 17:12:24,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 17:12:24,623 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 17:12:24,624 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: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Max. Parallel Explicit Values -> 2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: SizeLimitFluid Max. Disjunctions -> 4 [2019-09-25 17:12:24,657 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 17:12:24,673 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 17:12:24,679 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 17:12:24,681 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 17:12:24,682 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 17:12:24,682 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-09-25 17:12:24,762 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02d913a21/3a2d85232732404cad317b2b1a377fcc/FLAGe7a3a82f2 [2019-09-25 17:12:25,371 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 17:12:25,374 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-09-25 17:12:25,390 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02d913a21/3a2d85232732404cad317b2b1a377fcc/FLAGe7a3a82f2 [2019-09-25 17:12:25,609 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02d913a21/3a2d85232732404cad317b2b1a377fcc [2019-09-25 17:12:25,621 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 17:12:25,623 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 17:12:25,624 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 17:12:25,624 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 17:12:25,628 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 17:12:25,629 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:12:25" (1/1) ... [2019-09-25 17:12:25,633 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@611a2955 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:25, skipping insertion in model container [2019-09-25 17:12:25,633 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:12:25" (1/1) ... [2019-09-25 17:12:25,641 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 17:12:25,697 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 17:12:26,191 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:12:26,205 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 17:12:26,356 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:12:26,388 INFO L192 MainTranslator]: Completed translation [2019-09-25 17:12:26,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:26 WrapperNode [2019-09-25 17:12:26,389 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 17:12:26,389 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 17:12:26,390 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 17:12:26,390 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 17:12:26,403 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:26" (1/1) ... [2019-09-25 17:12:26,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:26" (1/1) ... [2019-09-25 17:12:26,418 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:26" (1/1) ... [2019-09-25 17:12:26,419 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:26" (1/1) ... [2019-09-25 17:12:26,443 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:26" (1/1) ... [2019-09-25 17:12:26,473 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:26" (1/1) ... [2019-09-25 17:12:26,477 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:26" (1/1) ... [2019-09-25 17:12:26,486 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 17:12:26,487 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 17:12:26,487 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 17:12:26,487 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 17:12:26,488 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:26" (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 [2019-09-25 17:12:26,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 17:12:26,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 17:12:26,576 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 17:12:26,577 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 17:12:26,578 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-25 17:12:26,579 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-25 17:12:26,579 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-25 17:12:26,579 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-25 17:12:26,579 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-25 17:12:26,580 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-25 17:12:26,581 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-25 17:12:26,581 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-25 17:12:26,581 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-25 17:12:26,582 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-25 17:12:26,582 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-25 17:12:26,582 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-25 17:12:26,585 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 17:12:26,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 17:12:26,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 17:12:28,667 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 17:12:28,668 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-25 17:12:28,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:12:28 BoogieIcfgContainer [2019-09-25 17:12:28,670 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 17:12:28,670 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 17:12:28,670 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 17:12:28,671 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 17:12:28,672 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:12:28" (1/1) ... [2019-09-25 17:12:28,673 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=ExplicitValueDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=4 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 17:12:28,697 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 17:12:28,697 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 17:12:28,707 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 17:12:28,716 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 17:12:28,718 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 17:12:29,067 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-25 17:12:29,256 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 213 for LOIs