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.5.3.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-10 05:42:34,739 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 05:42:34,741 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 05:42:34,753 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 05:42:34,753 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 05:42:34,754 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 05:42:34,755 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 05:42:34,757 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 05:42:34,759 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 05:42:34,760 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 05:42:34,761 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 05:42:34,762 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 05:42:34,762 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 05:42:34,763 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 05:42:34,764 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 05:42:34,765 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 05:42:34,766 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 05:42:34,767 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 05:42:34,769 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 05:42:34,771 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 05:42:34,773 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 05:42:34,774 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 05:42:34,775 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 05:42:34,776 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 05:42:34,778 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-10 05:42:34,778 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-10 05:42:34,778 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-10 05:42:34,779 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-10 05:42:34,780 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-10 05:42:34,781 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-10 05:42:34,781 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-10 05:42:34,782 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-10 05:42:34,782 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-10 05:42:34,783 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-10 05:42:34,784 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-10 05:42:34,784 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-10 05:42:34,785 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-10 05:42:34,785 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-10 05:42:34,785 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 05:42:34,786 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 05:42:34,787 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 05:42:34,788 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 [2019-08-10 05:42:34,802 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 05:42:34,803 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 05:42:34,804 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 05:42:34,804 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 05:42:34,804 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 05:42:34,805 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 05:42:34,805 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-10 05:42:34,805 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 05:42:34,805 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-10 05:42:34,805 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 05:42:34,805 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 05:42:34,806 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 05:42:34,806 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 05:42:34,806 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-10 05:42:34,806 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 05:42:34,806 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 05:42:34,807 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 05:42:34,807 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 05:42:34,807 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 05:42:34,807 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 05:42:34,807 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 05:42:34,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 05:42:34,808 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 05:42:34,808 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 05:42:34,808 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 05:42:34,808 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 05:42:34,809 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 05:42:34,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 05:42:34,809 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 05:42:34,840 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 05:42:34,852 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 05:42:34,856 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 05:42:34,857 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 05:42:34,858 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 05:42:34,858 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.5.3.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c [2019-08-10 05:42:34,932 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59e0c86ca/0558f54a77e546af8c26bf6ed138721a/FLAG5b6454e11 [2019-08-10 05:42:35,683 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 05:42:35,686 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.5.3.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c [2019-08-10 05:42:35,711 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59e0c86ca/0558f54a77e546af8c26bf6ed138721a/FLAG5b6454e11 [2019-08-10 05:42:35,805 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59e0c86ca/0558f54a77e546af8c26bf6ed138721a [2019-08-10 05:42:35,816 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 05:42:35,818 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 05:42:35,819 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 05:42:35,819 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 05:42:35,823 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 05:42:35,824 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 05:42:35" (1/1) ... [2019-08-10 05:42:35,827 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a2c17a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 05:42:35, skipping insertion in model container [2019-08-10 05:42:35,828 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 05:42:35" (1/1) ... [2019-08-10 05:42:35,836 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 05:42:36,024 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 05:42:37,278 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 05:42:37,300 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 05:42:37,926 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 05:42:37,965 INFO L192 MainTranslator]: Completed translation [2019-08-10 05:42:37,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 05:42:37 WrapperNode [2019-08-10 05:42:37,967 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 05:42:37,969 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 05:42:37,969 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 05:42:37,969 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 05:42:37,990 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 05:42:37" (1/1) ... [2019-08-10 05:42:37,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 05:42:37" (1/1) ... [2019-08-10 05:42:38,061 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 05:42:37" (1/1) ... [2019-08-10 05:42:38,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 05:42:37" (1/1) ... [2019-08-10 05:42:38,154 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 05:42:37" (1/1) ... [2019-08-10 05:42:38,209 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 05:42:37" (1/1) ... [2019-08-10 05:42:38,229 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 05:42:37" (1/1) ... [2019-08-10 05:42:38,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 05:42:38,263 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 05:42:38,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 05:42:38,263 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 05:42:38,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 05:42:37" (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 [2019-08-10 05:42:38,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 05:42:38,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 05:42:38,345 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 05:42:38,346 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 05:42:38,347 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-10 05:42:38,347 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-10 05:42:38,347 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-10 05:42:38,347 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-10 05:42:38,347 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-10 05:42:38,348 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-10 05:42:38,348 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-10 05:42:38,348 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-10 05:42:38,349 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-10 05:42:38,349 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-10 05:42:38,350 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-08-10 05:42:38,350 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-10 05:42:38,352 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-10 05:42:38,353 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 05:42:38,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 05:42:38,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 05:42:42,647 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 05:42:42,647 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-10 05:42:42,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 05:42:42 BoogieIcfgContainer [2019-08-10 05:42:42,650 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 05:42:42,651 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 05:42:42,651 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 05:42:42,652 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 05:42:42,653 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 05:42:42" (1/1) ... [2019-08-10 05:42:44,315 WARN L188 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 284 [2019-08-10 05:42:45,441 WARN L188 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 287