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.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-15 00:13:07,915 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-15 00:13:07,918 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-15 00:13:07,930 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-15 00:13:07,931 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-15 00:13:07,932 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-15 00:13:07,933 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-15 00:13:07,935 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-15 00:13:07,936 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-15 00:13:07,937 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-15 00:13:07,938 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-15 00:13:07,939 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-15 00:13:07,939 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-15 00:13:07,940 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-15 00:13:07,941 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-15 00:13:07,942 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-15 00:13:07,943 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-15 00:13:07,944 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-15 00:13:07,946 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-15 00:13:07,948 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-15 00:13:07,949 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-15 00:13:07,950 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-15 00:13:07,952 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-15 00:13:07,952 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-15 00:13:07,954 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-15 00:13:07,955 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-15 00:13:07,955 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-15 00:13:07,956 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-15 00:13:07,956 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-15 00:13:07,957 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-15 00:13:07,957 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-15 00:13:07,958 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-15 00:13:07,959 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-15 00:13:07,959 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-15 00:13:07,960 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-15 00:13:07,961 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-15 00:13:07,961 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-15 00:13:07,962 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-15 00:13:07,962 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-15 00:13:07,963 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-15 00:13:07,964 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-15 00:13:07,964 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 00:13:07,979 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-15 00:13:07,979 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-15 00:13:07,981 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-15 00:13:07,981 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-15 00:13:07,981 INFO L138 SettingsManager]: * Use SBE=true [2019-08-15 00:13:07,982 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-15 00:13:07,982 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-15 00:13:07,982 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-15 00:13:07,982 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-15 00:13:07,982 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-15 00:13:07,983 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-15 00:13:07,983 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-15 00:13:07,983 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-15 00:13:07,983 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-15 00:13:07,983 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-15 00:13:07,984 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-15 00:13:07,984 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-15 00:13:07,984 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-15 00:13:07,984 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-15 00:13:07,985 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-15 00:13:07,985 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-15 00:13:07,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-15 00:13:07,985 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-15 00:13:07,985 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-15 00:13:07,986 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-15 00:13:07,986 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-15 00:13:07,986 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-15 00:13:07,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-15 00:13:07,986 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-15 00:13:08,015 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-15 00:13:08,028 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-15 00:13:08,032 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-15 00:13:08,033 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-15 00:13:08,033 INFO L275 PluginConnector]: CDTParser initialized [2019-08-15 00:13:08,034 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2019-08-15 00:13:08,096 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62c6e0d05/7db4c135fc6f4e6794fb1527a3f92997/FLAG521065475 [2019-08-15 00:13:08,776 INFO L306 CDTParser]: Found 1 translation units. [2019-08-15 00:13:08,776 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2019-08-15 00:13:08,799 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62c6e0d05/7db4c135fc6f4e6794fb1527a3f92997/FLAG521065475 [2019-08-15 00:13:08,923 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62c6e0d05/7db4c135fc6f4e6794fb1527a3f92997 [2019-08-15 00:13:08,932 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-15 00:13:08,934 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-15 00:13:08,936 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-15 00:13:08,936 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-15 00:13:08,939 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-15 00:13:08,940 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 12:13:08" (1/1) ... [2019-08-15 00:13:08,943 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e5021a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:13:08, skipping insertion in model container [2019-08-15 00:13:08,943 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 12:13:08" (1/1) ... [2019-08-15 00:13:08,951 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-15 00:13:09,117 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-15 00:13:10,107 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-15 00:13:10,135 INFO L188 MainTranslator]: Completed pre-run [2019-08-15 00:13:10,599 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-15 00:13:10,638 INFO L192 MainTranslator]: Completed translation [2019-08-15 00:13:10,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:13:10 WrapperNode [2019-08-15 00:13:10,640 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-15 00:13:10,641 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-15 00:13:10,641 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-15 00:13:10,641 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-15 00:13:10,657 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:13:10" (1/1) ... [2019-08-15 00:13:10,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:13:10" (1/1) ... [2019-08-15 00:13:10,713 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:13:10" (1/1) ... [2019-08-15 00:13:10,714 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:13:10" (1/1) ... [2019-08-15 00:13:10,778 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:13:10" (1/1) ... [2019-08-15 00:13:10,815 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:13:10" (1/1) ... [2019-08-15 00:13:10,835 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:13:10" (1/1) ... [2019-08-15 00:13:10,862 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-15 00:13:10,863 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-15 00:13:10,863 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-15 00:13:10,863 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-15 00:13:10,864 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:13:10" (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 00:13:10,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-15 00:13:10,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-15 00:13:10,933 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-15 00:13:10,933 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-15 00:13:10,934 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-15 00:13:10,934 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-15 00:13:10,935 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-08-15 00:13:10,935 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-15 00:13:10,935 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-15 00:13:10,935 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-15 00:13:10,936 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-15 00:13:10,936 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-15 00:13:10,936 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-15 00:13:10,936 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-15 00:13:10,936 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-15 00:13:10,937 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-15 00:13:10,937 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-15 00:13:10,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-15 00:13:10,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-15 00:13:14,213 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-15 00:13:14,213 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-15 00:13:14,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.08 12:13:14 BoogieIcfgContainer [2019-08-15 00:13:14,215 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-15 00:13:14,216 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-15 00:13:14,216 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-15 00:13:14,216 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-15 00:13:14,217 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.08 12:13:14" (1/1) ... [2019-08-15 00:13:15,017 WARN L188 SmtUtils]: Spent 602.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2019-08-15 00:13:15,654 WARN L188 SmtUtils]: Spent 591.00 ms on a formula simplification that was a NOOP. DAG size: 227