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_lcr.6.1.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 14:35:34,235 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 14:35:34,237 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 14:35:34,249 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 14:35:34,249 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 14:35:34,251 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 14:35:34,252 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 14:35:34,254 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 14:35:34,255 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 14:35:34,256 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 14:35:34,257 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 14:35:34,258 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 14:35:34,258 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 14:35:34,259 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 14:35:34,260 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 14:35:34,261 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 14:35:34,262 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 14:35:34,263 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 14:35:34,265 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 14:35:34,267 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 14:35:34,269 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 14:35:34,270 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 14:35:34,271 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 14:35:34,272 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 14:35:34,274 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-08 14:35:34,275 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-08 14:35:34,275 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-08 14:35:34,276 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-08 14:35:34,276 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-08 14:35:34,277 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-08 14:35:34,278 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 14:35:34,279 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 14:35:34,282 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 14:35:34,283 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 14:35:34,284 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 14:35:34,284 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 14:35:34,285 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 14:35:34,286 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 14:35:34,286 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 14:35:34,287 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 14:35:34,290 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 14:35:34,291 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 14:35:34,318 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 14:35:34,319 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 14:35:34,320 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 14:35:34,320 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 14:35:34,320 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 14:35:34,321 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 14:35:34,321 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 14:35:34,321 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 14:35:34,321 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 14:35:34,322 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 14:35:34,322 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 14:35:34,322 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 14:35:34,322 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 14:35:34,323 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 14:35:34,323 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 14:35:34,323 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 14:35:34,323 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 14:35:34,323 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 14:35:34,324 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 14:35:34,324 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 14:35:34,324 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 14:35:34,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 14:35:34,325 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 14:35:34,325 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 14:35:34,325 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 14:35:34,325 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 14:35:34,325 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 14:35:34,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 14:35:34,326 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 14:35:34,359 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 14:35:34,375 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 14:35:34,378 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 14:35:34,380 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 14:35:34,380 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 14:35:34,381 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c [2019-08-08 14:35:34,457 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ab6e0527/398943061a1644ed867c8e2d6ba25acc/FLAGcbe7c7807 [2019-08-08 14:35:35,216 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 14:35:35,216 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c [2019-08-08 14:35:35,262 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ab6e0527/398943061a1644ed867c8e2d6ba25acc/FLAGcbe7c7807 [2019-08-08 14:35:35,306 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ab6e0527/398943061a1644ed867c8e2d6ba25acc [2019-08-08 14:35:35,320 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 14:35:35,322 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 14:35:35,323 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 14:35:35,323 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 14:35:35,327 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 14:35:35,328 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 02:35:35" (1/1) ... [2019-08-08 14:35:35,332 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fe89ba1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:35:35, skipping insertion in model container [2019-08-08 14:35:35,332 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 02:35:35" (1/1) ... [2019-08-08 14:35:35,342 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 14:35:35,547 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 14:35:36,980 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 14:35:36,996 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 14:35:37,695 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 14:35:37,741 INFO L192 MainTranslator]: Completed translation [2019-08-08 14:35:37,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:35:37 WrapperNode [2019-08-08 14:35:37,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 14:35:37,743 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 14:35:37,744 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 14:35:37,744 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 14:35:37,766 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:35:37" (1/1) ... [2019-08-08 14:35:37,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:35:37" (1/1) ... [2019-08-08 14:35:37,847 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:35:37" (1/1) ... [2019-08-08 14:35:37,848 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:35:37" (1/1) ... [2019-08-08 14:35:37,945 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:35:37" (1/1) ... [2019-08-08 14:35:37,985 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:35:37" (1/1) ... [2019-08-08 14:35:38,007 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:35:37" (1/1) ... [2019-08-08 14:35:38,033 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 14:35:38,034 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 14:35:38,034 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 14:35:38,035 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 14:35:38,036 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:35:37" (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 14:35:38,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 14:35:38,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 14:35:38,101 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 14:35:38,102 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 14:35:38,103 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-08 14:35:38,103 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-08 14:35:38,103 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-08 14:35:38,103 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-08 14:35:38,103 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-08 14:35:38,104 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-08 14:35:38,104 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-08 14:35:38,104 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-08 14:35:38,105 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-08 14:35:38,105 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-08 14:35:38,106 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-08-08 14:35:38,106 INFO L130 BoogieDeclarations]: Found specification of procedure node6 [2019-08-08 14:35:38,108 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-08 14:35:38,109 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-08 14:35:38,109 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 14:35:38,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 14:35:38,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 14:35:45,268 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 14:35:45,269 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-08 14:35:45,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 02:35:45 BoogieIcfgContainer [2019-08-08 14:35:45,271 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 14:35:45,271 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 14:35:45,271 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 14:35:45,272 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 14:35:45,273 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 02:35:45" (1/1) ... [2019-08-08 14:35:45,285 INFO L148 IcfgInterpreter]: Started Sifa with 22 locations of interest [2019-08-08 14:35:45,288 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 14:35:45,299 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 14:35:45,310 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 14:35:45,312 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 14:35:45,560 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 664