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 -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 13:42:28,955 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 13:42:28,957 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 13:42:28,975 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 13:42:28,976 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 13:42:28,977 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 13:42:28,979 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 13:42:28,986 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 13:42:28,990 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 13:42:28,993 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 13:42:28,994 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 13:42:28,995 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 13:42:28,996 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 13:42:28,997 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 13:42:29,000 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 13:42:29,001 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 13:42:29,002 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 13:42:29,005 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 13:42:29,007 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 13:42:29,013 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 13:42:29,015 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 13:42:29,018 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 13:42:29,019 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 13:42:29,021 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 13:42:29,023 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-08 13:42:29,024 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-08 13:42:29,024 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-08 13:42:29,026 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-08 13:42:29,027 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-08 13:42:29,028 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-08 13:42:29,029 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 13:42:29,031 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 13:42:29,032 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 13:42:29,033 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 13:42:29,035 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 13:42:29,035 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 13:42:29,036 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 13:42:29,036 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 13:42:29,036 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 13:42:29,040 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 13:42:29,041 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 13:42:29,042 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 [2019-08-08 13:42:29,066 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 13:42:29,067 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 13:42:29,069 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 13:42:29,069 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 13:42:29,069 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 13:42:29,069 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 13:42:29,070 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 13:42:29,070 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 13:42:29,070 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 13:42:29,070 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 13:42:29,071 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 13:42:29,072 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 13:42:29,072 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 13:42:29,072 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 13:42:29,073 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 13:42:29,073 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 13:42:29,073 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 13:42:29,073 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 13:42:29,073 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 13:42:29,074 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 13:42:29,074 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 13:42:29,074 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 13:42:29,074 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 13:42:29,074 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 13:42:29,075 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 13:42:29,075 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 13:42:29,075 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 13:42:29,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 13:42:29,076 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 13:42:29,127 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 13:42:29,146 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 13:42:29,150 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 13:42:29,151 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 13:42:29,152 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 13:42:29,152 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-08-08 13:42:29,221 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2dc8963b7/a9325b6d2f984a00b96660f77a8ec7f2/FLAGc4584af35 [2019-08-08 13:42:29,902 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 13:42:29,902 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-08-08 13:42:29,928 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2dc8963b7/a9325b6d2f984a00b96660f77a8ec7f2/FLAGc4584af35 [2019-08-08 13:42:30,037 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2dc8963b7/a9325b6d2f984a00b96660f77a8ec7f2 [2019-08-08 13:42:30,048 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 13:42:30,049 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 13:42:30,050 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 13:42:30,051 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 13:42:30,054 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 13:42:30,055 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 01:42:30" (1/1) ... [2019-08-08 13:42:30,058 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cf948dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:42:30, skipping insertion in model container [2019-08-08 13:42:30,058 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 01:42:30" (1/1) ... [2019-08-08 13:42:30,065 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 13:42:30,209 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 13:42:31,470 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 13:42:31,488 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 13:42:32,286 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 13:42:32,330 INFO L192 MainTranslator]: Completed translation [2019-08-08 13:42:32,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:42:32 WrapperNode [2019-08-08 13:42:32,333 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 13:42:32,334 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 13:42:32,334 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 13:42:32,334 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 13:42:32,357 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:42:32" (1/1) ... [2019-08-08 13:42:32,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:42:32" (1/1) ... [2019-08-08 13:42:32,419 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:42:32" (1/1) ... [2019-08-08 13:42:32,420 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:42:32" (1/1) ... [2019-08-08 13:42:32,512 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:42:32" (1/1) ... [2019-08-08 13:42:32,543 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:42:32" (1/1) ... [2019-08-08 13:42:32,556 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:42:32" (1/1) ... [2019-08-08 13:42:32,588 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 13:42:32,589 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 13:42:32,589 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 13:42:32,594 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 13:42:32,596 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:42:32" (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 [2019-08-08 13:42:32,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 13:42:32,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 13:42:32,670 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 13:42:32,670 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 13:42:32,671 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-08 13:42:32,671 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-08-08 13:42:32,671 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-08 13:42:32,672 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-08 13:42:32,672 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-08 13:42:32,672 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-08 13:42:32,672 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-08 13:42:32,673 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-08 13:42:32,673 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-08 13:42:32,674 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-08 13:42:32,674 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-08 13:42:32,675 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-08 13:42:32,677 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-08 13:42:32,677 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 13:42:32,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 13:42:32,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 13:42:38,370 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 13:42:38,371 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-08 13:42:38,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 01:42:38 BoogieIcfgContainer [2019-08-08 13:42:38,373 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 13:42:38,373 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 13:42:38,373 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 13:42:38,373 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 13:42:38,374 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 01:42:38" (1/1) ... [2019-08-08 13:42:38,384 INFO L148 IcfgInterpreter]: Started Sifa with 12 locations of interest [2019-08-08 13:42:38,386 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 13:42:38,400 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 13:42:38,408 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 13:42:38,410 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 13:42:38,507 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 406