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.ufo.UNBOUNDED.pals.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-15 00:17:13,915 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-15 00:17:13,917 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-15 00:17:13,929 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-15 00:17:13,929 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-15 00:17:13,930 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-15 00:17:13,931 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-15 00:17:13,933 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-15 00:17:13,935 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-15 00:17:13,936 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-15 00:17:13,937 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-15 00:17:13,938 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-15 00:17:13,938 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-15 00:17:13,939 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-15 00:17:13,940 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-15 00:17:13,941 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-15 00:17:13,942 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-15 00:17:13,943 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-15 00:17:13,945 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-15 00:17:13,947 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-15 00:17:13,949 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-15 00:17:13,950 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-15 00:17:13,951 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-15 00:17:13,951 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-15 00:17:13,954 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-15 00:17:13,957 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-15 00:17:13,957 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-15 00:17:13,958 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-15 00:17:13,959 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-15 00:17:13,960 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-15 00:17:13,960 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-15 00:17:13,961 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-15 00:17:13,961 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-15 00:17:13,961 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-15 00:17:13,962 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-15 00:17:13,963 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-15 00:17:13,964 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 [2019-08-15 00:17:13,978 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-15 00:17:13,978 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-15 00:17:13,979 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-15 00:17:13,979 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-15 00:17:13,980 INFO L138 SettingsManager]: * Use SBE=true [2019-08-15 00:17:13,980 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-15 00:17:13,980 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-15 00:17:13,980 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-15 00:17:13,981 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-15 00:17:13,981 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-15 00:17:13,981 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-15 00:17:13,981 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-15 00:17:13,981 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-15 00:17:13,981 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-15 00:17:13,982 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-15 00:17:13,982 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-15 00:17:13,982 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-15 00:17:13,982 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-15 00:17:13,982 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-15 00:17:13,983 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-15 00:17:13,983 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-15 00:17:13,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-15 00:17:13,983 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-15 00:17:13,983 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-15 00:17:13,984 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-15 00:17:13,984 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-15 00:17:13,984 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-15 00:17:13,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-15 00:17:13,984 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-15 00:17:14,018 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-15 00:17:14,033 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-15 00:17:14,036 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-15 00:17:14,038 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-15 00:17:14,038 INFO L275 PluginConnector]: CDTParser initialized [2019-08-15 00:17:14,039 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2019-08-15 00:17:14,106 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e98e73609/97d26a9d90774ac5879d29dcfb1cbd5a/FLAG24f41ba1c [2019-08-15 00:17:14,838 INFO L306 CDTParser]: Found 1 translation units. [2019-08-15 00:17:14,838 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2019-08-15 00:17:14,861 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e98e73609/97d26a9d90774ac5879d29dcfb1cbd5a/FLAG24f41ba1c [2019-08-15 00:17:14,976 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e98e73609/97d26a9d90774ac5879d29dcfb1cbd5a [2019-08-15 00:17:14,986 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-15 00:17:14,987 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-15 00:17:14,988 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-15 00:17:14,988 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-15 00:17:14,992 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-15 00:17:14,993 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 12:17:14" (1/1) ... [2019-08-15 00:17:14,996 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d779113 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:17:14, skipping insertion in model container [2019-08-15 00:17:14,996 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 12:17:14" (1/1) ... [2019-08-15 00:17:15,004 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-15 00:17:15,156 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-15 00:17:16,106 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-15 00:17:16,126 INFO L188 MainTranslator]: Completed pre-run [2019-08-15 00:17:16,888 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-15 00:17:16,924 INFO L192 MainTranslator]: Completed translation [2019-08-15 00:17:16,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:17:16 WrapperNode [2019-08-15 00:17:16,925 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-15 00:17:16,926 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-15 00:17:16,927 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-15 00:17:16,927 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-15 00:17:16,943 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:17:16" (1/1) ... [2019-08-15 00:17:16,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:17:16" (1/1) ... [2019-08-15 00:17:17,009 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:17:16" (1/1) ... [2019-08-15 00:17:17,010 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:17:16" (1/1) ... [2019-08-15 00:17:17,071 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:17:16" (1/1) ... [2019-08-15 00:17:17,106 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:17:16" (1/1) ... [2019-08-15 00:17:17,119 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:17:16" (1/1) ... [2019-08-15 00:17:17,137 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-15 00:17:17,137 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-15 00:17:17,138 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-15 00:17:17,138 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-15 00:17:17,139 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:17:16" (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 [2019-08-15 00:17:17,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-15 00:17:17,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-15 00:17:17,205 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-15 00:17:17,205 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-15 00:17:17,206 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-15 00:17:17,206 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-15 00:17:17,207 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-08-15 00:17:17,207 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-15 00:17:17,207 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-15 00:17:17,207 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-15 00:17:17,208 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-15 00:17:17,208 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-15 00:17:17,209 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-15 00:17:17,209 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-15 00:17:17,210 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-15 00:17:17,210 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-15 00:17:17,212 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-15 00:17:17,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-15 00:17:17,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-15 00:17:20,518 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-15 00:17:20,519 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-15 00:17:20,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.08 12:17:20 BoogieIcfgContainer [2019-08-15 00:17:20,522 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-15 00:17:20,522 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-15 00:17:20,523 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-15 00:17:20,523 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-15 00:17:20,524 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.08 12:17:20" (1/1) ... [2019-08-15 00:17:21,363 WARN L188 SmtUtils]: Spent 649.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2019-08-15 00:17:21,930 WARN L188 SmtUtils]: Spent 540.00 ms on a formula simplification that was a NOOP. DAG size: 227