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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.3.2.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 16:31:47,616 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 16:31:47,619 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 16:31:47,634 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 16:31:47,634 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 16:31:47,635 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 16:31:47,636 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 16:31:47,638 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 16:31:47,642 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 16:31:47,643 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 16:31:47,644 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 16:31:47,646 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 16:31:47,646 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 16:31:47,647 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 16:31:47,648 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 16:31:47,649 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 16:31:47,650 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 16:31:47,651 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 16:31:47,653 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 16:31:47,655 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 16:31:47,657 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 16:31:47,661 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 16:31:47,662 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 16:31:47,663 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 16:31:47,667 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 16:31:47,668 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 16:31:47,668 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 16:31:47,669 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 16:31:47,670 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 16:31:47,672 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 16:31:47,672 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 16:31:47,675 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 16:31:47,676 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 16:31:47,677 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 16:31:47,680 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 16:31:47,681 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 16:31:47,682 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 16:31:47,682 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 16:31:47,682 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 16:31:47,683 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 16:31:47,686 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 16:31:47,687 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 16:31:47,709 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 16:31:47,712 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 16:31:47,714 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 16:31:47,714 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 16:31:47,715 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 16:31:47,715 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 16:31:47,716 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 16:31:47,716 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 16:31:47,716 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 16:31:47,716 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 16:31:47,717 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 16:31:47,718 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 16:31:47,718 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 16:31:47,718 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 16:31:47,718 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 16:31:47,719 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 16:31:47,719 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 16:31:47,719 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 16:31:47,719 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 16:31:47,720 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 16:31:47,720 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 16:31:47,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 16:31:47,720 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 16:31:47,721 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 16:31:47,721 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 16:31:47,721 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 16:31:47,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 16:31:47,722 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 16:31:47,722 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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 [2019-09-25 16:31:47,781 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 16:31:47,801 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 16:31:47,808 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 16:31:47,810 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 16:31:47,810 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 16:31:47,811 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.3.2.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2019-09-25 16:31:47,886 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c023d2570/1c678e72b3d14fe8a045aedbffecce8e/FLAG8ffb896cb [2019-09-25 16:31:48,435 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 16:31:48,436 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.3.2.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2019-09-25 16:31:48,458 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c023d2570/1c678e72b3d14fe8a045aedbffecce8e/FLAG8ffb896cb [2019-09-25 16:31:48,661 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c023d2570/1c678e72b3d14fe8a045aedbffecce8e [2019-09-25 16:31:48,670 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 16:31:48,671 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 16:31:48,672 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 16:31:48,673 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 16:31:48,676 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 16:31:48,678 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:31:48" (1/1) ... [2019-09-25 16:31:48,681 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29f17afb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:31:48, skipping insertion in model container [2019-09-25 16:31:48,681 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:31:48" (1/1) ... [2019-09-25 16:31:48,688 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 16:31:48,751 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 16:31:49,231 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 16:31:49,253 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 16:31:49,397 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 16:31:49,420 INFO L192 MainTranslator]: Completed translation [2019-09-25 16:31:49,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:31:49 WrapperNode [2019-09-25 16:31:49,421 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 16:31:49,421 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 16:31:49,421 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 16:31:49,422 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 16:31:49,433 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:31:49" (1/1) ... [2019-09-25 16:31:49,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:31:49" (1/1) ... [2019-09-25 16:31:49,447 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:31:49" (1/1) ... [2019-09-25 16:31:49,447 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:31:49" (1/1) ... [2019-09-25 16:31:49,469 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:31:49" (1/1) ... [2019-09-25 16:31:49,487 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:31:49" (1/1) ... [2019-09-25 16:31:49,492 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:31:49" (1/1) ... [2019-09-25 16:31:49,499 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 16:31:49,499 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 16:31:49,499 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 16:31:49,500 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 16:31:49,501 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:31:49" (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 16:31:49,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 16:31:49,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 16:31:49,599 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 16:31:49,599 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 16:31:49,600 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-25 16:31:49,600 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-25 16:31:49,601 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-25 16:31:49,601 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-25 16:31:49,602 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-25 16:31:49,602 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-25 16:31:49,602 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-25 16:31:49,603 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-25 16:31:49,603 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-25 16:31:49,604 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-25 16:31:49,604 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-25 16:31:49,604 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 16:31:49,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 16:31:49,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 16:31:51,662 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 16:31:51,662 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-25 16:31:51,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:31:51 BoogieIcfgContainer [2019-09-25 16:31:51,664 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 16:31:51,664 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 16:31:51,664 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 16:31:51,665 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 16:31:51,666 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:31:51" (1/1) ... [2019-09-25 16:31:51,667 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ 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=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 16:31:51,697 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 16:31:51,697 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 16:31:51,717 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 16:31:51,726 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 16:31:51,728 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 16:31:52,062 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-09-25 16:31:52,434 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2019-09-25 16:31:52,481 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 304 for LOIs [2019-09-25 16:31:53,775 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12