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.4.4.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 15:10:15,676 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 15:10:15,680 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 15:10:15,700 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 15:10:15,700 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 15:10:15,702 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 15:10:15,704 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 15:10:15,706 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 15:10:15,707 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 15:10:15,708 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 15:10:15,709 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 15:10:15,710 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 15:10:15,711 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 15:10:15,712 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 15:10:15,713 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 15:10:15,714 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 15:10:15,715 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 15:10:15,716 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 15:10:15,717 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 15:10:15,721 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 15:10:15,723 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 15:10:15,725 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 15:10:15,727 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 15:10:15,728 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 15:10:15,733 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-08 15:10:15,733 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-08 15:10:15,734 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-08 15:10:15,735 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-08 15:10:15,735 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-08 15:10:15,736 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-08 15:10:15,736 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 15:10:15,737 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 15:10:15,737 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 15:10:15,738 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 15:10:15,739 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 15:10:15,739 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 15:10:15,740 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 15:10:15,740 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 15:10:15,741 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 15:10:15,741 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 15:10:15,742 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 15:10:15,743 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 15:10:15,759 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 15:10:15,759 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 15:10:15,760 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 15:10:15,760 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 15:10:15,761 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 15:10:15,761 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 15:10:15,761 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 15:10:15,761 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 15:10:15,761 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 15:10:15,762 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 15:10:15,762 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 15:10:15,762 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 15:10:15,762 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 15:10:15,762 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 15:10:15,763 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 15:10:15,763 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 15:10:15,763 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 15:10:15,763 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 15:10:15,763 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 15:10:15,764 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 15:10:15,764 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 15:10:15,764 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 15:10:15,764 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 15:10:15,764 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 15:10:15,765 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 15:10:15,765 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 15:10:15,765 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 15:10:15,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 15:10:15,767 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 15:10:15,819 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 15:10:15,832 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 15:10:15,837 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 15:10:15,839 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 15:10:15,839 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 15:10:15,840 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2019-08-08 15:10:15,911 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41fa1f5cb/e95537650385443c9fff656ce4117c15/FLAG7f1533da2 [2019-08-08 15:10:16,492 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 15:10:16,493 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2019-08-08 15:10:16,522 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41fa1f5cb/e95537650385443c9fff656ce4117c15/FLAG7f1533da2 [2019-08-08 15:10:16,720 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41fa1f5cb/e95537650385443c9fff656ce4117c15 [2019-08-08 15:10:16,730 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 15:10:16,732 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 15:10:16,733 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 15:10:16,733 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 15:10:16,736 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 15:10:16,737 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 03:10:16" (1/1) ... [2019-08-08 15:10:16,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f7c23c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:10:16, skipping insertion in model container [2019-08-08 15:10:16,740 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 03:10:16" (1/1) ... [2019-08-08 15:10:16,748 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 15:10:16,817 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 15:10:17,209 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 15:10:17,333 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 15:10:17,503 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 15:10:17,538 INFO L192 MainTranslator]: Completed translation [2019-08-08 15:10:17,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:10:17 WrapperNode [2019-08-08 15:10:17,539 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 15:10:17,540 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 15:10:17,540 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 15:10:17,540 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 15:10:17,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:10:17" (1/1) ... [2019-08-08 15:10:17,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:10:17" (1/1) ... [2019-08-08 15:10:17,599 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:10:17" (1/1) ... [2019-08-08 15:10:17,601 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:10:17" (1/1) ... [2019-08-08 15:10:17,657 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:10:17" (1/1) ... [2019-08-08 15:10:17,686 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:10:17" (1/1) ... [2019-08-08 15:10:17,701 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:10:17" (1/1) ... [2019-08-08 15:10:17,718 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 15:10:17,719 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 15:10:17,719 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 15:10:17,721 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 15:10:17,722 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:10:17" (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 15:10:17,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 15:10:17,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 15:10:17,802 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 15:10:17,803 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 15:10:17,804 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-08 15:10:17,804 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-08 15:10:17,804 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-08 15:10:17,804 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-08 15:10:17,805 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-08 15:10:17,805 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-08 15:10:17,805 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-08 15:10:17,806 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-08 15:10:17,806 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-08 15:10:17,807 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-08 15:10:17,807 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-08 15:10:17,808 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-08 15:10:17,810 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 15:10:17,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 15:10:17,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 15:10:20,368 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 15:10:20,368 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-08 15:10:20,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 03:10:20 BoogieIcfgContainer [2019-08-08 15:10:20,369 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 15:10:20,370 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 15:10:20,370 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 15:10:20,370 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 15:10:20,371 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 03:10:20" (1/1) ... [2019-08-08 15:10:20,382 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 15:10:20,385 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 15:10:20,396 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 15:10:20,411 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 15:10:20,412 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 15:10:20,538 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 342