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-var-start-time.6.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 14:24:00,703 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 14:24:00,706 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 14:24:00,718 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 14:24:00,718 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 14:24:00,720 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 14:24:00,721 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 14:24:00,723 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 14:24:00,725 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 14:24:00,726 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 14:24:00,727 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 14:24:00,728 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 14:24:00,728 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 14:24:00,729 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 14:24:00,730 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 14:24:00,731 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 14:24:00,732 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 14:24:00,733 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 14:24:00,735 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 14:24:00,737 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 14:24:00,738 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 14:24:00,740 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 14:24:00,741 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 14:24:00,742 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 14:24:00,744 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-08 14:24:00,744 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-08 14:24:00,744 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-08 14:24:00,745 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-08 14:24:00,746 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-08 14:24:00,747 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-08 14:24:00,747 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 14:24:00,748 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 14:24:00,748 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 14:24:00,749 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 14:24:00,750 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 14:24:00,750 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 14:24:00,751 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 14:24:00,751 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 14:24:00,752 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 14:24:00,753 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 14:24:00,753 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 14:24:00,754 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 14:24:00,769 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 14:24:00,769 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 14:24:00,771 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 14:24:00,771 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 14:24:00,771 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 14:24:00,771 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 14:24:00,772 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 14:24:00,772 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 14:24:00,772 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 14:24:00,772 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 14:24:00,772 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 14:24:00,773 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 14:24:00,773 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 14:24:00,773 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 14:24:00,773 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 14:24:00,773 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 14:24:00,774 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 14:24:00,774 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 14:24:00,774 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 14:24:00,774 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 14:24:00,774 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 14:24:00,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 14:24:00,775 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 14:24:00,775 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 14:24:00,775 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 14:24:00,776 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 14:24:00,776 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 14:24:00,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 14:24:00,776 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 14:24:00,807 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 14:24:00,821 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 14:24:00,825 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 14:24:00,826 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 14:24:00,827 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 14:24:00,827 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-08-08 14:24:00,896 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b48bc6794/d795cc3004b846f8ad2a03b73f21e442/FLAG05342f67a [2019-08-08 14:24:01,456 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 14:24:01,457 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-08-08 14:24:01,474 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b48bc6794/d795cc3004b846f8ad2a03b73f21e442/FLAG05342f67a [2019-08-08 14:24:01,752 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b48bc6794/d795cc3004b846f8ad2a03b73f21e442 [2019-08-08 14:24:01,761 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 14:24:01,763 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 14:24:01,764 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 14:24:01,764 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 14:24:01,768 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 14:24:01,769 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 02:24:01" (1/1) ... [2019-08-08 14:24:01,774 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21eb54b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:24:01, skipping insertion in model container [2019-08-08 14:24:01,775 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 02:24:01" (1/1) ... [2019-08-08 14:24:01,783 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 14:24:01,863 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 14:24:02,290 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 14:24:02,421 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 14:24:02,554 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 14:24:02,583 INFO L192 MainTranslator]: Completed translation [2019-08-08 14:24:02,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:24:02 WrapperNode [2019-08-08 14:24:02,584 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 14:24:02,584 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 14:24:02,585 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 14:24:02,585 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 14:24:02,600 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:24:02" (1/1) ... [2019-08-08 14:24:02,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:24:02" (1/1) ... [2019-08-08 14:24:02,617 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:24:02" (1/1) ... [2019-08-08 14:24:02,617 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:24:02" (1/1) ... [2019-08-08 14:24:02,642 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:24:02" (1/1) ... [2019-08-08 14:24:02,666 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:24:02" (1/1) ... [2019-08-08 14:24:02,680 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:24:02" (1/1) ... [2019-08-08 14:24:02,701 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 14:24:02,702 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 14:24:02,702 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 14:24:02,702 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 14:24:02,704 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:24:02" (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 14:24:02,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 14:24:02,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 14:24:02,775 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 14:24:02,775 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 14:24:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-08 14:24:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-08 14:24:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-08-08 14:24:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-08 14:24:02,779 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-08 14:24:02,779 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-08 14:24:02,779 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-08 14:24:02,779 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-08 14:24:02,780 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-08 14:24:02,780 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-08 14:24:02,781 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-08 14:24:02,782 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-08-08 14:24:02,784 INFO L130 BoogieDeclarations]: Found specification of procedure node6 [2019-08-08 14:24:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-08 14:24:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-08 14:24:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 14:24:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 14:24:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 14:24:04,948 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 14:24:04,948 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-08 14:24:04,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 02:24:04 BoogieIcfgContainer [2019-08-08 14:24:04,950 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 14:24:04,950 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 14:24:04,950 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 14:24:04,950 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 14:24:04,951 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 02:24:04" (1/1) ... [2019-08-08 14:24:04,964 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 14:24:04,966 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 14:24:04,977 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 14:24:04,985 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 14:24:04,987 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 14:24:05,062 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 240