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_floodmax.4.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 23:55:21,851 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 23:55:21,854 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 23:55:21,872 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 23:55:21,872 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 23:55:21,874 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 23:55:21,876 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 23:55:21,886 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 23:55:21,890 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 23:55:21,894 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 23:55:21,896 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 23:55:21,897 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 23:55:21,897 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 23:55:21,900 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 23:55:21,902 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 23:55:21,904 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 23:55:21,905 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 23:55:21,907 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 23:55:21,909 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 23:55:21,914 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 23:55:21,918 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 23:55:21,920 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 23:55:21,922 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 23:55:21,923 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 23:55:21,925 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 23:55:21,929 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 23:55:21,931 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 23:55:21,932 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 23:55:21,933 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 23:55:21,935 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 23:55:21,935 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 23:55:21,936 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 23:55:21,936 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 23:55:21,936 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 23:55:21,937 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 23:55:21,938 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 23:55:21,939 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 [2019-08-14 23:55:21,968 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 23:55:21,968 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 23:55:21,969 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 23:55:21,969 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 23:55:21,970 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 23:55:21,970 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 23:55:21,970 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 23:55:21,970 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 23:55:21,970 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 23:55:21,971 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 23:55:21,971 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 23:55:21,971 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 23:55:21,971 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 23:55:21,972 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 23:55:21,972 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 23:55:21,972 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 23:55:21,972 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 23:55:21,972 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 23:55:21,973 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 23:55:21,973 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 23:55:21,973 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 23:55:21,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 23:55:21,973 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 23:55:21,974 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 23:55:21,974 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 23:55:21,974 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 23:55:21,974 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 23:55:21,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 23:55:21,975 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 23:55:22,003 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 23:55:22,016 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 23:55:22,020 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 23:55:22,022 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 23:55:22,022 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 23:55:22,023 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.4.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-08-14 23:55:22,087 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e4e303ed/edb2691695964f3a88ae7c13a75405d1/FLAG353f36502 [2019-08-14 23:55:22,672 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 23:55:22,673 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.4.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-08-14 23:55:22,690 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e4e303ed/edb2691695964f3a88ae7c13a75405d1/FLAG353f36502 [2019-08-14 23:55:22,926 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e4e303ed/edb2691695964f3a88ae7c13a75405d1 [2019-08-14 23:55:22,939 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 23:55:22,941 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 23:55:22,946 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 23:55:22,946 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 23:55:22,950 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 23:55:22,951 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:55:22" (1/1) ... [2019-08-14 23:55:22,954 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16eb44dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:55:22, skipping insertion in model container [2019-08-14 23:55:22,955 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:55:22" (1/1) ... [2019-08-14 23:55:22,964 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 23:55:23,065 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 23:55:23,833 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 23:55:23,863 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 23:55:24,291 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 23:55:24,326 INFO L192 MainTranslator]: Completed translation [2019-08-14 23:55:24,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:55:24 WrapperNode [2019-08-14 23:55:24,327 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 23:55:24,328 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 23:55:24,328 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 23:55:24,328 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 23:55:24,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:55:24" (1/1) ... [2019-08-14 23:55:24,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:55:24" (1/1) ... [2019-08-14 23:55:24,361 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:55:24" (1/1) ... [2019-08-14 23:55:24,362 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:55:24" (1/1) ... [2019-08-14 23:55:24,417 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:55:24" (1/1) ... [2019-08-14 23:55:24,459 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:55:24" (1/1) ... [2019-08-14 23:55:24,475 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:55:24" (1/1) ... [2019-08-14 23:55:24,497 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 23:55:24,497 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 23:55:24,497 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 23:55:24,498 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 23:55:24,499 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:55:24" (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 [2019-08-14 23:55:24,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 23:55:24,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 23:55:24,575 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 23:55:24,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 23:55:24,576 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-14 23:55:24,576 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-08-14 23:55:24,577 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-14 23:55:24,577 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-14 23:55:24,577 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-14 23:55:24,577 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-14 23:55:24,577 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-14 23:55:24,578 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-14 23:55:24,578 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-14 23:55:24,579 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-14 23:55:24,579 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-14 23:55:24,580 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-14 23:55:24,582 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-14 23:55:24,582 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 23:55:24,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 23:55:24,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 23:55:26,781 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 23:55:26,781 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-14 23:55:26,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:55:26 BoogieIcfgContainer [2019-08-14 23:55:26,787 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 23:55:26,787 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 23:55:26,788 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 23:55:26,788 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 23:55:26,789 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:55:26" (1/1) ... [2019-08-14 23:55:27,568 WARN L188 SmtUtils]: Spent 515.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2019-08-14 23:55:28,033 WARN L188 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 200