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.4.4.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 23:59:06,867 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 23:59:06,871 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 23:59:06,883 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 23:59:06,883 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 23:59:06,884 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 23:59:06,886 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 23:59:06,887 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 23:59:06,889 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 23:59:06,890 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 23:59:06,891 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 23:59:06,892 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 23:59:06,893 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 23:59:06,894 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 23:59:06,895 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 23:59:06,896 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 23:59:06,897 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 23:59:06,898 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 23:59:06,899 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 23:59:06,902 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 23:59:06,903 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 23:59:06,904 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 23:59:06,906 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 23:59:06,906 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 23:59:06,909 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 23:59:06,909 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 23:59:06,909 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 23:59:06,910 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 23:59:06,911 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 23:59:06,912 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 23:59:06,912 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 23:59:06,913 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 23:59:06,914 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 23:59:06,915 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 23:59:06,916 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 23:59:06,916 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 23:59:06,917 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 23:59:06,917 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 23:59:06,917 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 23:59:06,918 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 23:59:06,919 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 23:59:06,919 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 [2019-08-14 23:59:06,934 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 23:59:06,935 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 23:59:06,936 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 23:59:06,936 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 23:59:06,936 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 23:59:06,936 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 23:59:06,937 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 23:59:06,937 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 23:59:06,937 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 23:59:06,937 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 23:59:06,937 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 23:59:06,937 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 23:59:06,938 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 23:59:06,938 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 23:59:06,938 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 23:59:06,938 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 23:59:06,938 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 23:59:06,939 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 23:59:06,939 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 23:59:06,939 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 23:59:06,939 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 23:59:06,939 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 23:59:06,940 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 23:59:06,940 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 23:59:06,940 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 23:59:06,940 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 23:59:06,941 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 23:59:06,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 23:59:06,941 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 23:59:06,969 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 23:59:06,982 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 23:59:06,985 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 23:59:06,987 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 23:59:06,987 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 23:59:06,988 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c [2019-08-14 23:59:07,050 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d6b9a321/7a61ffd257ce4597a6561870a48f7a1b/FLAG507f851ab [2019-08-14 23:59:07,673 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 23:59:07,674 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c [2019-08-14 23:59:07,694 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d6b9a321/7a61ffd257ce4597a6561870a48f7a1b/FLAG507f851ab [2019-08-14 23:59:07,887 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d6b9a321/7a61ffd257ce4597a6561870a48f7a1b [2019-08-14 23:59:07,897 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 23:59:07,898 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 23:59:07,899 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 23:59:07,899 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 23:59:07,903 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 23:59:07,904 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:59:07" (1/1) ... [2019-08-14 23:59:07,907 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9234fdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:59:07, skipping insertion in model container [2019-08-14 23:59:07,907 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:59:07" (1/1) ... [2019-08-14 23:59:07,914 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 23:59:08,019 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 23:59:09,098 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 23:59:09,123 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 23:59:09,512 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 23:59:09,534 INFO L192 MainTranslator]: Completed translation [2019-08-14 23:59:09,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:59:09 WrapperNode [2019-08-14 23:59:09,535 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 23:59:09,536 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 23:59:09,536 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 23:59:09,536 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 23:59:09,550 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:59:09" (1/1) ... [2019-08-14 23:59:09,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:59:09" (1/1) ... [2019-08-14 23:59:09,580 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:59:09" (1/1) ... [2019-08-14 23:59:09,581 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:59:09" (1/1) ... [2019-08-14 23:59:09,627 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:59:09" (1/1) ... [2019-08-14 23:59:09,666 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:59:09" (1/1) ... [2019-08-14 23:59:09,675 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:59:09" (1/1) ... [2019-08-14 23:59:09,698 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 23:59:09,699 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 23:59:09,699 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 23:59:09,699 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 23:59:09,701 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:59:09" (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 [2019-08-14 23:59:09,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 23:59:09,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 23:59:09,783 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 23:59:09,783 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 23:59:09,784 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-14 23:59:09,784 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-14 23:59:09,785 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-14 23:59:09,785 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-14 23:59:09,785 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-14 23:59:09,785 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-14 23:59:09,785 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-14 23:59:09,786 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-14 23:59:09,786 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-14 23:59:09,786 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-14 23:59:09,787 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-14 23:59:09,787 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-14 23:59:09,789 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 23:59:09,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 23:59:09,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 23:59:11,991 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 23:59:11,991 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-14 23:59:11,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:59:11 BoogieIcfgContainer [2019-08-14 23:59:11,994 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 23:59:11,995 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 23:59:11,995 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 23:59:11,995 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 23:59:11,996 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:59:11" (1/1) ... [2019-08-14 23:59:12,722 WARN L188 SmtUtils]: Spent 511.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2019-08-14 23:59:13,276 WARN L188 SmtUtils]: Spent 470.00 ms on a formula simplification that was a NOOP. DAG size: 208