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.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 07:02:38,783 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 07:02:38,786 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 07:02:38,805 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 07:02:38,805 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 07:02:38,807 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 07:02:38,809 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 07:02:38,818 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 07:02:38,823 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 07:02:38,826 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 07:02:38,826 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 07:02:38,828 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 07:02:38,828 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 07:02:38,830 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 07:02:38,832 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 07:02:38,833 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 07:02:38,835 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 07:02:38,836 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 07:02:38,837 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 07:02:38,842 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 07:02:38,846 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 07:02:38,849 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 07:02:38,851 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 07:02:38,852 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 07:02:38,854 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 07:02:38,854 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 07:02:38,854 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 07:02:38,856 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 07:02:38,857 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 07:02:38,858 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 07:02:38,858 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 07:02:38,859 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 07:02:38,860 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 07:02:38,860 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 07:02:38,862 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 07:02:38,862 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 07:02:38,863 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 07:02:38,863 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 07:02:38,863 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 07:02:38,864 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 07:02:38,865 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 07:02:38,866 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 [2019-10-15 07:02:38,894 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 07:02:38,895 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 07:02:38,898 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 07:02:38,898 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 07:02:38,899 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 07:02:38,899 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 07:02:38,899 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 07:02:38,899 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 07:02:38,899 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 07:02:38,900 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 07:02:38,900 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 07:02:38,900 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 07:02:38,900 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 07:02:38,900 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 07:02:38,901 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 07:02:38,901 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 07:02:38,901 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 07:02:38,902 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 07:02:38,903 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 07:02:38,903 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 07:02:38,903 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 07:02:38,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 07:02:38,903 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 07:02:38,904 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 07:02:38,904 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 07:02:38,904 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 07:02:38,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 07:02:38,904 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 07:02:38,904 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: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 07:02:39,223 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 07:02:39,245 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 07:02:39,249 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 07:02:39,250 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 07:02:39,251 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 07:02:39,252 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2019-10-15 07:02:39,317 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78ab3643b/41c762f9471f4aaab0a779fdfe8847ab/FLAG4d062325a [2019-10-15 07:02:39,905 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 07:02:39,905 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2019-10-15 07:02:39,922 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78ab3643b/41c762f9471f4aaab0a779fdfe8847ab/FLAG4d062325a [2019-10-15 07:02:40,161 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78ab3643b/41c762f9471f4aaab0a779fdfe8847ab [2019-10-15 07:02:40,173 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 07:02:40,174 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 07:02:40,176 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 07:02:40,176 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 07:02:40,180 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 07:02:40,184 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:02:40" (1/1) ... [2019-10-15 07:02:40,190 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@576f31f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:02:40, skipping insertion in model container [2019-10-15 07:02:40,191 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:02:40" (1/1) ... [2019-10-15 07:02:40,199 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 07:02:40,273 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 07:02:40,869 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 07:02:40,899 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 07:02:41,329 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 07:02:41,365 INFO L192 MainTranslator]: Completed translation [2019-10-15 07:02:41,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:02:41 WrapperNode [2019-10-15 07:02:41,366 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 07:02:41,366 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 07:02:41,367 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 07:02:41,367 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 07:02:41,385 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:02:41" (1/1) ... [2019-10-15 07:02:41,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:02:41" (1/1) ... [2019-10-15 07:02:41,405 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:02:41" (1/1) ... [2019-10-15 07:02:41,406 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:02:41" (1/1) ... [2019-10-15 07:02:41,444 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:02:41" (1/1) ... [2019-10-15 07:02:41,473 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:02:41" (1/1) ... [2019-10-15 07:02:41,495 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:02:41" (1/1) ... [2019-10-15 07:02:41,505 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 07:02:41,506 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 07:02:41,506 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 07:02:41,506 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 07:02:41,507 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:02:41" (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 [2019-10-15 07:02:41,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 07:02:41,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 07:02:41,587 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 07:02:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 07:02:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-10-15 07:02:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-15 07:02:41,588 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-10-15 07:02:41,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 07:02:41,588 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-10-15 07:02:41,588 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-10-15 07:02:41,589 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-10-15 07:02:41,589 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-10-15 07:02:41,589 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-10-15 07:02:41,589 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-10-15 07:02:41,589 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-10-15 07:02:41,590 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 07:02:41,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 07:02:41,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 07:02:44,360 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 07:02:44,360 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 07:02:44,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:02:44 BoogieIcfgContainer [2019-10-15 07:02:44,363 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 07:02:44,363 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-15 07:02:44,364 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-15 07:02:44,364 INFO L275 PluginConnector]: Sifa initialized [2019-10-15 07:02:44,365 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:02:44" (1/1) ... [2019-10-15 07:02:44,366 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 [2019-10-15 07:02:44,403 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-15 07:02:44,403 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 07:02:44,421 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 07:02:44,431 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 07:02:44,432 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 07:02:44,804 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-10-15 07:02:45,181 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2019-10-15 07:02:45,225 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 320 for LOIs