/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 18:36:37,924 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 18:36:37,929 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 18:36:37,959 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 18:36:37,960 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 18:36:37,963 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 18:36:37,967 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 18:36:37,982 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 18:36:37,987 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 18:36:37,990 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 18:36:37,993 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 18:36:37,996 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 18:36:37,996 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 18:36:38,001 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 18:36:38,005 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 18:36:38,008 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 18:36:38,010 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 18:36:38,011 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 18:36:38,013 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 18:36:38,021 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 18:36:38,028 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 18:36:38,034 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 18:36:38,036 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 18:36:38,037 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 18:36:38,041 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 18:36:38,050 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 18:36:38,053 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 18:36:38,054 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 18:36:38,056 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 18:36:38,058 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 18:36:38,059 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 18:36:38,060 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 18:36:38,060 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 18:36:38,060 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 18:36:38,062 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 18:36:38,063 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 18:36:38,065 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-24 18:36:38,096 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 18:36:38,097 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 18:36:38,098 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 18:36:38,099 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 18:36:38,099 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 18:36:38,099 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 18:36:38,099 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 18:36:38,099 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 18:36:38,100 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 18:36:38,100 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 18:36:38,100 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 18:36:38,100 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 18:36:38,101 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 18:36:38,101 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 18:36:38,101 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 18:36:38,102 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 18:36:38,103 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 18:36:38,103 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 18:36:38,103 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 18:36:38,103 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 18:36:38,104 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 18:36:38,104 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 18:36:38,104 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 18:36:38,104 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 18:36:38,104 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 18:36:38,105 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 18:36:38,105 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 18:36:38,105 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 18:36:38,105 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 18:36:38,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 18:36:38,106 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 18:36:38,106 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 18:36:38,106 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 18:36:38,107 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 18:36:38,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 18:36:38,107 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 18:36:38,107 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 18:36:38,107 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 18:36:38,542 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 18:36:38,574 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 18:36:38,579 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 18:36:38,582 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 18:36:38,583 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 18:36:38,584 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-11-24 18:36:38,679 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64b4756e9/903414fb0fe24e979cb0c4e2d47841fa/FLAG89cf30ec4 [2019-11-24 18:36:39,409 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 18:36:39,410 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-11-24 18:36:39,459 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64b4756e9/903414fb0fe24e979cb0c4e2d47841fa/FLAG89cf30ec4 [2019-11-24 18:36:39,525 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64b4756e9/903414fb0fe24e979cb0c4e2d47841fa [2019-11-24 18:36:39,538 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 18:36:39,540 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 18:36:39,542 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 18:36:39,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 18:36:39,547 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 18:36:39,550 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:36:39" (1/1) ... [2019-11-24 18:36:39,554 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b276bc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:36:39, skipping insertion in model container [2019-11-24 18:36:39,555 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:36:39" (1/1) ... [2019-11-24 18:36:39,567 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 18:36:39,669 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 18:36:40,573 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 18:36:40,591 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 18:36:40,887 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 18:36:40,930 INFO L208 MainTranslator]: Completed translation [2019-11-24 18:36:40,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:36:40 WrapperNode [2019-11-24 18:36:40,932 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 18:36:40,933 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 18:36:40,934 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 18:36:40,934 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 18:36:40,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:36:40" (1/1) ... [2019-11-24 18:36:40,977 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:36:40" (1/1) ... [2019-11-24 18:36:41,132 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 18:36:41,136 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 18:36:41,136 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 18:36:41,137 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 18:36:41,162 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:36:40" (1/1) ... [2019-11-24 18:36:41,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:36:40" (1/1) ... [2019-11-24 18:36:41,173 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:36:40" (1/1) ... [2019-11-24 18:36:41,177 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:36:40" (1/1) ... [2019-11-24 18:36:41,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:36:40" (1/1) ... [2019-11-24 18:36:41,237 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:36:40" (1/1) ... [2019-11-24 18:36:41,245 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:36:40" (1/1) ... [2019-11-24 18:36:41,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 18:36:41,262 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 18:36:41,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 18:36:41,263 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 18:36:41,264 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:36:40" (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 [2019-11-24 18:36:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 18:36:41,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 18:36:44,613 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 18:36:44,614 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-24 18:36:44,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:36:44 BoogieIcfgContainer [2019-11-24 18:36:44,615 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 18:36:44,616 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 18:36:44,616 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 18:36:44,617 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 18:36:44,618 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:36:44" (1/1) ... [2019-11-24 18:36:44,619 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 [2019-11-24 18:36:44,656 INFO L159 IcfgInterpreter]: Started Sifa with 5 locations of interest [2019-11-24 18:36:44,656 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 18:36:44,674 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 18:36:44,686 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 18:36:44,688 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs