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.5.4.ufo.BOUNDED-10.pals.c.p+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 13:57:40,840 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 13:57:40,842 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 13:57:40,857 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 13:57:40,857 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 13:57:40,859 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 13:57:40,860 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 13:57:40,862 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 13:57:40,863 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 13:57:40,864 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 13:57:40,866 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 13:57:40,875 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 13:57:40,876 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 13:57:40,877 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 13:57:40,878 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 13:57:40,879 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 13:57:40,881 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 13:57:40,884 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 13:57:40,888 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 13:57:40,891 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 13:57:40,893 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 13:57:40,895 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 13:57:40,898 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 13:57:40,899 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 13:57:40,902 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-08 13:57:40,903 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-08 13:57:40,903 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-08 13:57:40,905 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-08 13:57:40,906 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-08 13:57:40,907 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-08 13:57:40,907 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 13:57:40,909 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 13:57:40,910 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 13:57:40,911 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 13:57:40,913 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 13:57:40,914 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 13:57:40,914 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 13:57:40,914 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 13:57:40,915 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 13:57:40,918 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 13:57:40,919 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 13:57:40,920 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 13:57:40,938 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 13:57:40,938 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 13:57:40,939 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 13:57:40,940 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 13:57:40,940 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 13:57:40,940 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 13:57:40,940 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 13:57:40,940 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 13:57:40,941 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 13:57:40,941 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 13:57:40,941 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 13:57:40,941 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 13:57:40,941 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 13:57:40,942 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 13:57:40,942 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 13:57:40,942 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 13:57:40,942 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 13:57:40,943 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 13:57:40,943 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 13:57:40,943 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 13:57:40,943 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 13:57:40,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 13:57:40,944 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 13:57:40,944 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 13:57:40,944 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 13:57:40,944 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 13:57:40,945 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 13:57:40,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 13:57:40,945 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 13:57:40,973 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 13:57:40,987 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 13:57:40,994 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 13:57:40,996 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 13:57:40,996 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 13:57:40,997 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.5.4.ufo.BOUNDED-10.pals.c.p+lhb-reducer.c [2019-08-08 13:57:41,068 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71640fdd5/cb2925af55c14971beae500b7efc1e68/FLAG7dc88a58e [2019-08-08 13:57:41,866 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 13:57:41,867 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.5.4.ufo.BOUNDED-10.pals.c.p+lhb-reducer.c [2019-08-08 13:57:41,898 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71640fdd5/cb2925af55c14971beae500b7efc1e68/FLAG7dc88a58e [2019-08-08 13:57:41,921 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71640fdd5/cb2925af55c14971beae500b7efc1e68 [2019-08-08 13:57:41,932 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 13:57:41,934 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 13:57:41,935 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 13:57:41,935 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 13:57:41,938 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 13:57:41,940 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 01:57:41" (1/1) ... [2019-08-08 13:57:41,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55ea116d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:57:41, skipping insertion in model container [2019-08-08 13:57:41,943 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 01:57:41" (1/1) ... [2019-08-08 13:57:41,950 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 13:57:42,192 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 13:57:44,539 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 13:57:44,556 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 13:57:46,036 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 13:57:46,098 INFO L192 MainTranslator]: Completed translation [2019-08-08 13:57:46,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:57:46 WrapperNode [2019-08-08 13:57:46,100 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 13:57:46,102 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 13:57:46,102 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 13:57:46,102 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 13:57:46,126 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:57:46" (1/1) ... [2019-08-08 13:57:46,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:57:46" (1/1) ... [2019-08-08 13:57:46,209 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:57:46" (1/1) ... [2019-08-08 13:57:46,209 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:57:46" (1/1) ... [2019-08-08 13:57:46,302 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:57:46" (1/1) ... [2019-08-08 13:57:46,354 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:57:46" (1/1) ... [2019-08-08 13:57:46,373 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:57:46" (1/1) ... [2019-08-08 13:57:46,401 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 13:57:46,402 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 13:57:46,402 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 13:57:46,402 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 13:57:46,403 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:57:46" (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 13:57:46,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 13:57:46,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 13:57:46,471 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 13:57:46,471 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 13:57:46,472 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-08 13:57:46,472 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-08 13:57:46,472 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-08 13:57:46,472 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-08 13:57:46,472 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-08 13:57:46,473 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-08 13:57:46,473 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-08 13:57:46,473 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-08 13:57:46,474 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-08 13:57:46,474 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-08 13:57:46,475 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-08-08 13:57:46,475 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-08 13:57:46,476 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-08 13:57:46,476 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 13:57:46,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 13:57:46,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 13:57:56,591 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 13:57:56,591 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-08 13:57:56,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 01:57:56 BoogieIcfgContainer [2019-08-08 13:57:56,594 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 13:57:56,594 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 13:57:56,594 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 13:57:56,595 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 13:57:56,596 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 01:57:56" (1/1) ... [2019-08-08 13:57:56,608 INFO L148 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-08-08 13:57:56,611 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 13:57:56,633 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 13:57:56,641 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 13:57:56,643 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 13:57:56,772 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 507