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.3.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 14:02:22,550 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 14:02:22,552 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 14:02:22,564 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 14:02:22,564 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 14:02:22,565 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 14:02:22,567 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 14:02:22,568 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 14:02:22,570 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 14:02:22,571 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 14:02:22,572 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 14:02:22,573 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 14:02:22,573 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 14:02:22,574 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 14:02:22,575 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 14:02:22,577 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 14:02:22,577 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 14:02:22,578 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 14:02:22,580 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 14:02:22,582 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 14:02:22,584 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 14:02:22,585 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 14:02:22,586 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 14:02:22,587 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 14:02:22,589 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-08 14:02:22,589 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-08 14:02:22,590 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-08 14:02:22,591 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-08 14:02:22,591 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-08 14:02:22,592 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-08 14:02:22,592 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 14:02:22,593 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 14:02:22,594 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 14:02:22,594 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 14:02:22,595 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 14:02:22,596 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 14:02:22,596 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 14:02:22,597 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 14:02:22,597 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 14:02:22,598 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 14:02:22,599 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 14:02:22,599 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 14:02:22,613 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 14:02:22,614 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 14:02:22,615 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 14:02:22,615 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 14:02:22,615 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 14:02:22,616 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 14:02:22,616 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 14:02:22,616 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 14:02:22,616 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 14:02:22,617 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 14:02:22,617 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 14:02:22,617 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 14:02:22,617 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 14:02:22,617 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 14:02:22,618 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 14:02:22,618 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 14:02:22,618 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 14:02:22,618 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 14:02:22,618 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 14:02:22,619 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 14:02:22,619 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 14:02:22,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 14:02:22,619 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 14:02:22,619 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 14:02:22,620 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 14:02:22,620 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 14:02:22,620 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 14:02:22,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 14:02:22,620 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 14:02:22,650 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 14:02:22,663 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 14:02:22,668 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 14:02:22,669 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 14:02:22,670 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 14:02:22,670 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-08-08 14:02:22,731 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02eb95c8f/688f512dad4043568b1915131161103d/FLAG4c827fb90 [2019-08-08 14:02:23,324 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 14:02:23,325 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-08-08 14:02:23,341 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02eb95c8f/688f512dad4043568b1915131161103d/FLAG4c827fb90 [2019-08-08 14:02:23,582 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02eb95c8f/688f512dad4043568b1915131161103d [2019-08-08 14:02:23,592 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 14:02:23,594 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 14:02:23,595 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 14:02:23,595 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 14:02:23,599 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 14:02:23,600 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 02:02:23" (1/1) ... [2019-08-08 14:02:23,603 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32be39ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:02:23, skipping insertion in model container [2019-08-08 14:02:23,603 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 02:02:23" (1/1) ... [2019-08-08 14:02:23,611 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 14:02:23,707 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 14:02:24,263 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 14:02:24,392 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 14:02:24,619 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 14:02:24,646 INFO L192 MainTranslator]: Completed translation [2019-08-08 14:02:24,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:02:24 WrapperNode [2019-08-08 14:02:24,647 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 14:02:24,647 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 14:02:24,647 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 14:02:24,648 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 14:02:24,658 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:02:24" (1/1) ... [2019-08-08 14:02:24,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:02:24" (1/1) ... [2019-08-08 14:02:24,686 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:02:24" (1/1) ... [2019-08-08 14:02:24,687 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:02:24" (1/1) ... [2019-08-08 14:02:24,731 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:02:24" (1/1) ... [2019-08-08 14:02:24,756 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:02:24" (1/1) ... [2019-08-08 14:02:24,765 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:02:24" (1/1) ... [2019-08-08 14:02:24,778 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 14:02:24,779 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 14:02:24,779 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 14:02:24,779 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 14:02:24,780 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:02:24" (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 14:02:24,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 14:02:24,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 14:02:24,876 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 14:02:24,876 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 14:02:24,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-08 14:02:24,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-08 14:02:24,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-08-08 14:02:24,878 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-08 14:02:24,879 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-08 14:02:24,879 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-08 14:02:24,879 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-08 14:02:24,879 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-08 14:02:24,880 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-08 14:02:24,880 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-08 14:02:24,881 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-08 14:02:24,882 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-08 14:02:24,884 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 14:02:24,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 14:02:24,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 14:02:28,739 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 14:02:28,739 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-08 14:02:28,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 02:02:28 BoogieIcfgContainer [2019-08-08 14:02:28,741 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 14:02:28,742 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 14:02:28,742 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 14:02:28,742 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 14:02:28,743 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 02:02:28" (1/1) ... [2019-08-08 14:02:28,756 INFO L148 IcfgInterpreter]: Started Sifa with 4 locations of interest [2019-08-08 14:02:28,758 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 14:02:28,770 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 14:02:28,778 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 14:02:28,780 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 14:02:28,871 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 355