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_opt-floodmax.4.2.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 15:07:15,082 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 15:07:15,084 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 15:07:15,097 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 15:07:15,098 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 15:07:15,099 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 15:07:15,103 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 15:07:15,106 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 15:07:15,109 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 15:07:15,110 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 15:07:15,113 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 15:07:15,114 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 15:07:15,119 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 15:07:15,121 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 15:07:15,122 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 15:07:15,125 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 15:07:15,126 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 15:07:15,127 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 15:07:15,130 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 15:07:15,132 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 15:07:15,133 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 15:07:15,136 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 15:07:15,137 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 15:07:15,138 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 15:07:15,141 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-08 15:07:15,141 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-08 15:07:15,141 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-08 15:07:15,144 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-08 15:07:15,145 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-08 15:07:15,146 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-08 15:07:15,146 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 15:07:15,149 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 15:07:15,150 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 15:07:15,151 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 15:07:15,154 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 15:07:15,154 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 15:07:15,155 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 15:07:15,155 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 15:07:15,155 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 15:07:15,159 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 15:07:15,160 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 15:07:15,161 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 15:07:15,188 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 15:07:15,189 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 15:07:15,191 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 15:07:15,191 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 15:07:15,191 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 15:07:15,192 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 15:07:15,192 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 15:07:15,192 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 15:07:15,192 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 15:07:15,193 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 15:07:15,194 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 15:07:15,194 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 15:07:15,194 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 15:07:15,195 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 15:07:15,195 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 15:07:15,195 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 15:07:15,195 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 15:07:15,196 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 15:07:15,196 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 15:07:15,196 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 15:07:15,196 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 15:07:15,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 15:07:15,197 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 15:07:15,197 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 15:07:15,197 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 15:07:15,197 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 15:07:15,198 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 15:07:15,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 15:07:15,198 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 15:07:15,249 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 15:07:15,262 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 15:07:15,266 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 15:07:15,268 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 15:07:15,268 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 15:07:15,269 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.4.2.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2019-08-08 15:07:15,342 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ee1c707d/b22e830ae1ee408a9bde01b2b759e37b/FLAG7d2892fe7 [2019-08-08 15:07:15,864 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 15:07:15,865 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.4.2.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2019-08-08 15:07:15,881 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ee1c707d/b22e830ae1ee408a9bde01b2b759e37b/FLAG7d2892fe7 [2019-08-08 15:07:16,152 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ee1c707d/b22e830ae1ee408a9bde01b2b759e37b [2019-08-08 15:07:16,161 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 15:07:16,163 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 15:07:16,164 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 15:07:16,164 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 15:07:16,168 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 15:07:16,169 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 03:07:16" (1/1) ... [2019-08-08 15:07:16,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64eae74f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:07:16, skipping insertion in model container [2019-08-08 15:07:16,172 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 03:07:16" (1/1) ... [2019-08-08 15:07:16,180 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 15:07:16,255 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 15:07:16,810 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 15:07:16,843 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 15:07:17,202 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 15:07:17,240 INFO L192 MainTranslator]: Completed translation [2019-08-08 15:07:17,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:07:17 WrapperNode [2019-08-08 15:07:17,242 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 15:07:17,243 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 15:07:17,243 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 15:07:17,244 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 15:07:17,259 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:07:17" (1/1) ... [2019-08-08 15:07:17,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:07:17" (1/1) ... [2019-08-08 15:07:17,302 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:07:17" (1/1) ... [2019-08-08 15:07:17,303 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:07:17" (1/1) ... [2019-08-08 15:07:17,355 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:07:17" (1/1) ... [2019-08-08 15:07:17,371 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:07:17" (1/1) ... [2019-08-08 15:07:17,377 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:07:17" (1/1) ... [2019-08-08 15:07:17,385 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 15:07:17,386 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 15:07:17,386 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 15:07:17,386 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 15:07:17,387 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:07:17" (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 15:07:17,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 15:07:17,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 15:07:17,485 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 15:07:17,485 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 15:07:17,486 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-08 15:07:17,486 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-08-08 15:07:17,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-08 15:07:17,487 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-08 15:07:17,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-08 15:07:17,487 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-08 15:07:17,487 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-08 15:07:17,488 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-08 15:07:17,488 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-08 15:07:17,488 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-08 15:07:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-08 15:07:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-08 15:07:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-08 15:07:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 15:07:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 15:07:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 15:07:19,973 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 15:07:19,974 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-08 15:07:19,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 03:07:19 BoogieIcfgContainer [2019-08-08 15:07:19,975 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 15:07:19,975 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 15:07:19,976 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 15:07:19,977 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 15:07:19,978 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 03:07:19" (1/1) ... [2019-08-08 15:07:19,989 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 15:07:19,991 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 15:07:20,000 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 15:07:20,008 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 15:07:20,010 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 15:07:20,093 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 338