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_opt-floodmax.4.2.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-10 06:57:27,042 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 06:57:27,044 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 06:57:27,057 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 06:57:27,057 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 06:57:27,058 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 06:57:27,060 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 06:57:27,062 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 06:57:27,063 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 06:57:27,064 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 06:57:27,065 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 06:57:27,066 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 06:57:27,066 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 06:57:27,067 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 06:57:27,068 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 06:57:27,069 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 06:57:27,070 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 06:57:27,071 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 06:57:27,073 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 06:57:27,075 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 06:57:27,076 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 06:57:27,077 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 06:57:27,078 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 06:57:27,079 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 06:57:27,081 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-10 06:57:27,081 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-10 06:57:27,082 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-10 06:57:27,083 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-10 06:57:27,083 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-10 06:57:27,084 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-10 06:57:27,084 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-10 06:57:27,085 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-10 06:57:27,086 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-10 06:57:27,086 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-10 06:57:27,087 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-10 06:57:27,088 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-10 06:57:27,088 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-10 06:57:27,089 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-10 06:57:27,089 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 06:57:27,090 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 06:57:27,090 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 06:57:27,091 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 [2019-08-10 06:57:27,105 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 06:57:27,106 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 06:57:27,107 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 06:57:27,107 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 06:57:27,107 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 06:57:27,108 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 06:57:27,108 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-10 06:57:27,108 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 06:57:27,108 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-10 06:57:27,108 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 06:57:27,109 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 06:57:27,109 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 06:57:27,109 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 06:57:27,109 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-10 06:57:27,109 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 06:57:27,110 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 06:57:27,110 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 06:57:27,110 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 06:57:27,110 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 06:57:27,110 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 06:57:27,111 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 06:57:27,111 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 06:57:27,111 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 06:57:27,111 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 06:57:27,112 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 06:57:27,112 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 06:57:27,112 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 06:57:27,112 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 06:57:27,112 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 06:57:27,140 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 06:57:27,155 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 06:57:27,159 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 06:57:27,160 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 06:57:27,161 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 06:57:27,162 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.4.2.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2019-08-10 06:57:27,218 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/707da8cf9/804b254abd6f49d8a21f6f733ce88adb/FLAGb903e0baa [2019-08-10 06:57:27,744 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 06:57:27,745 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.4.2.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2019-08-10 06:57:27,771 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/707da8cf9/804b254abd6f49d8a21f6f733ce88adb/FLAGb903e0baa [2019-08-10 06:57:28,036 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/707da8cf9/804b254abd6f49d8a21f6f733ce88adb [2019-08-10 06:57:28,045 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 06:57:28,046 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 06:57:28,047 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 06:57:28,047 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 06:57:28,051 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 06:57:28,052 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 06:57:28" (1/1) ... [2019-08-10 06:57:28,055 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2def95e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:57:28, skipping insertion in model container [2019-08-10 06:57:28,055 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 06:57:28" (1/1) ... [2019-08-10 06:57:28,062 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 06:57:28,131 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 06:57:28,654 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 06:57:28,669 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 06:57:28,938 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 06:57:28,967 INFO L192 MainTranslator]: Completed translation [2019-08-10 06:57:28,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:57:28 WrapperNode [2019-08-10 06:57:28,968 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 06:57:28,969 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 06:57:28,969 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 06:57:28,969 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 06:57:28,988 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:57:28" (1/1) ... [2019-08-10 06:57:28,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:57:28" (1/1) ... [2019-08-10 06:57:29,032 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:57:28" (1/1) ... [2019-08-10 06:57:29,035 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:57:28" (1/1) ... [2019-08-10 06:57:29,096 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:57:28" (1/1) ... [2019-08-10 06:57:29,117 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:57:28" (1/1) ... [2019-08-10 06:57:29,122 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:57:28" (1/1) ... [2019-08-10 06:57:29,129 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 06:57:29,130 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 06:57:29,130 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 06:57:29,130 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 06:57:29,131 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:57:28" (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 [2019-08-10 06:57:29,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 06:57:29,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 06:57:29,204 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 06:57:29,205 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 06:57:29,205 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-10 06:57:29,206 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-10 06:57:29,206 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-10 06:57:29,206 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-10 06:57:29,206 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-10 06:57:29,206 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-10 06:57:29,206 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-10 06:57:29,207 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-10 06:57:29,207 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-10 06:57:29,208 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-10 06:57:29,209 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-10 06:57:29,209 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-10 06:57:29,211 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 06:57:29,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 06:57:29,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 06:57:30,657 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 06:57:30,658 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-10 06:57:30,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 06:57:30 BoogieIcfgContainer [2019-08-10 06:57:30,661 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 06:57:30,662 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 06:57:30,662 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 06:57:30,663 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 06:57:30,664 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 06:57:30" (1/1) ... [2019-08-10 06:57:31,407 WARN L188 SmtUtils]: Spent 514.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2019-08-10 06:57:31,893 WARN L188 SmtUtils]: Spent 455.00 ms on a formula simplification that was a NOOP. DAG size: 202