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/pals_floodmax.5.4.ufo.BOUNDED-10.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 12:59:51,995 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 12:59:51,996 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 12:59:52,009 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 12:59:52,009 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 12:59:52,011 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 12:59:52,012 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 12:59:52,014 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 12:59:52,015 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 12:59:52,016 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 12:59:52,017 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 12:59:52,018 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 12:59:52,019 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 12:59:52,019 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 12:59:52,020 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 12:59:52,022 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 12:59:52,022 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 12:59:52,023 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 12:59:52,025 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 12:59:52,027 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 12:59:52,029 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 12:59:52,031 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 12:59:52,034 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 12:59:52,034 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 12:59:52,037 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-08 12:59:52,037 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-08 12:59:52,039 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-08 12:59:52,040 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-08 12:59:52,041 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-08 12:59:52,042 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-08 12:59:52,042 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 12:59:52,043 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 12:59:52,045 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 12:59:52,046 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 12:59:52,047 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 12:59:52,047 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 12:59:52,048 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 12:59:52,048 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 12:59:52,048 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 12:59:52,051 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 12:59:52,053 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 12:59:52,054 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 12:59:52,084 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 12:59:52,087 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 12:59:52,089 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 12:59:52,089 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 12:59:52,089 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 12:59:52,090 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 12:59:52,090 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 12:59:52,090 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 12:59:52,090 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 12:59:52,091 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 12:59:52,092 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 12:59:52,092 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 12:59:52,092 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 12:59:52,093 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 12:59:52,093 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 12:59:52,093 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 12:59:52,093 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 12:59:52,094 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 12:59:52,094 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 12:59:52,094 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 12:59:52,094 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 12:59:52,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 12:59:52,095 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 12:59:52,095 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 12:59:52,095 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 12:59:52,095 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 12:59:52,096 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 12:59:52,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 12:59:52,096 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 12:59:52,142 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 12:59:52,154 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 12:59:52,158 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 12:59:52,159 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 12:59:52,159 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 12:59:52,160 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_floodmax.5.4.ufo.BOUNDED-10.pals.c [2019-08-08 12:59:52,213 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77c10ce07/73fc75df33094043bdb6d723f949d901/FLAG79e31f83e [2019-08-08 12:59:52,847 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 12:59:52,848 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_floodmax.5.4.ufo.BOUNDED-10.pals.c [2019-08-08 12:59:52,866 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77c10ce07/73fc75df33094043bdb6d723f949d901/FLAG79e31f83e [2019-08-08 12:59:53,067 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77c10ce07/73fc75df33094043bdb6d723f949d901 [2019-08-08 12:59:53,080 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 12:59:53,082 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 12:59:53,083 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 12:59:53,083 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 12:59:53,087 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 12:59:53,088 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 12:59:53" (1/1) ... [2019-08-08 12:59:53,091 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57677b04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 12:59:53, skipping insertion in model container [2019-08-08 12:59:53,091 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 12:59:53" (1/1) ... [2019-08-08 12:59:53,099 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 12:59:53,172 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 12:59:53,844 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 12:59:53,859 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 12:59:53,967 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 12:59:53,992 INFO L192 MainTranslator]: Completed translation [2019-08-08 12:59:53,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 12:59:53 WrapperNode [2019-08-08 12:59:53,993 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 12:59:53,994 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 12:59:53,994 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 12:59:53,994 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 12:59:54,007 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 12:59:53" (1/1) ... [2019-08-08 12:59:54,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 12:59:53" (1/1) ... [2019-08-08 12:59:54,032 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 12:59:53" (1/1) ... [2019-08-08 12:59:54,032 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 12:59:53" (1/1) ... [2019-08-08 12:59:54,099 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 12:59:53" (1/1) ... [2019-08-08 12:59:54,148 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 12:59:53" (1/1) ... [2019-08-08 12:59:54,162 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 12:59:53" (1/1) ... [2019-08-08 12:59:54,184 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 12:59:54,189 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 12:59:54,189 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 12:59:54,189 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 12:59:54,190 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 12:59:53" (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 12:59:54,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 12:59:54,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 12:59:54,262 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2019-08-08 12:59:54,262 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2019-08-08 12:59:54,263 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2019-08-08 12:59:54,263 INFO L138 BoogieDeclarations]: Found implementation of procedure node4 [2019-08-08 12:59:54,263 INFO L138 BoogieDeclarations]: Found implementation of procedure node5 [2019-08-08 12:59:54,264 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-08-08 12:59:54,264 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-08-08 12:59:54,264 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 12:59:54,264 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-08-08 12:59:54,265 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 12:59:54,265 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-08 12:59:54,266 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-08 12:59:54,266 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-08 12:59:54,267 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-08 12:59:54,269 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-08 12:59:54,269 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-08 12:59:54,269 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-08 12:59:54,269 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-08 12:59:54,270 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-08 12:59:54,270 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-08 12:59:54,270 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-08-08 12:59:54,270 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-08 12:59:54,270 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-08 12:59:54,270 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 12:59:54,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 12:59:54,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 12:59:59,430 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 12:59:59,430 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 12:59:59,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 12:59:59 BoogieIcfgContainer [2019-08-08 12:59:59,432 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 12:59:59,434 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 12:59:59,434 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 12:59:59,434 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 12:59:59,435 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 12:59:59" (1/1) ... [2019-08-08 12:59:59,447 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 12:59:59,450 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 12:59:59,466 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 12:59:59,474 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 12:59:59,476 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 12:59:59,581 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 457