/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/seq-mthreaded/rekh_ctm.2-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 18:47:21,078 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 18:47:21,081 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 18:47:21,093 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 18:47:21,093 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 18:47:21,095 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 18:47:21,096 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 18:47:21,098 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 18:47:21,100 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 18:47:21,101 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 18:47:21,101 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 18:47:21,103 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 18:47:21,103 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 18:47:21,104 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 18:47:21,105 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 18:47:21,106 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 18:47:21,107 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 18:47:21,107 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 18:47:21,109 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 18:47:21,111 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 18:47:21,112 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 18:47:21,113 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 18:47:21,114 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 18:47:21,115 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 18:47:21,117 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 18:47:21,119 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 18:47:21,120 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 18:47:21,121 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 18:47:21,122 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 18:47:21,123 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 18:47:21,123 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 18:47:21,123 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 18:47:21,124 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 18:47:21,124 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 18:47:21,125 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 18:47:21,125 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 18:47:21,126 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-24 18:47:21,141 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 18:47:21,141 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 18:47:21,142 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 18:47:21,142 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 18:47:21,142 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 18:47:21,142 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 18:47:21,143 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 18:47:21,143 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 18:47:21,143 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 18:47:21,143 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 18:47:21,143 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 18:47:21,144 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 18:47:21,144 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 18:47:21,144 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 18:47:21,144 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 18:47:21,145 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 18:47:21,145 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 18:47:21,145 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 18:47:21,145 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 18:47:21,146 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 18:47:21,146 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 18:47:21,146 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 18:47:21,146 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 18:47:21,146 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 18:47:21,147 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 18:47:21,147 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 18:47:21,147 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 18:47:21,147 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 18:47:21,147 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 18:47:21,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 18:47:21,148 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 18:47:21,148 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 18:47:21,148 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 18:47:21,148 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 18:47:21,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 18:47:21,149 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 18:47:21,149 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 18:47:21,149 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 18:47:21,436 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 18:47:21,447 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 18:47:21,451 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 18:47:21,453 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 18:47:21,454 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 18:47:21,455 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_ctm.2-2.c [2019-11-24 18:47:21,536 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/598cc2900/cdbec327519b4000890353f03c199714/FLAGf542367e8 [2019-11-24 18:47:22,219 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 18:47:22,220 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekh_ctm.2-2.c [2019-11-24 18:47:22,251 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/598cc2900/cdbec327519b4000890353f03c199714/FLAGf542367e8 [2019-11-24 18:47:22,350 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/598cc2900/cdbec327519b4000890353f03c199714 [2019-11-24 18:47:22,363 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 18:47:22,364 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 18:47:22,365 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 18:47:22,365 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 18:47:22,369 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 18:47:22,370 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:47:22" (1/1) ... [2019-11-24 18:47:22,373 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18dbcd04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:47:22, skipping insertion in model container [2019-11-24 18:47:22,374 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:47:22" (1/1) ... [2019-11-24 18:47:22,382 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 18:47:22,490 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 18:47:23,481 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 18:47:23,523 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 18:47:23,937 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 18:47:24,144 INFO L208 MainTranslator]: Completed translation [2019-11-24 18:47:24,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:47:24 WrapperNode [2019-11-24 18:47:24,145 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 18:47:24,146 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 18:47:24,146 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 18:47:24,146 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 18:47:24,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:47:24" (1/1) ... [2019-11-24 18:47:24,260 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:47:24" (1/1) ... [2019-11-24 18:47:36,396 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 18:47:36,396 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 18:47:36,397 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 18:47:36,397 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 18:47:36,404 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:47:24" (1/1) ... [2019-11-24 18:47:36,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:47:24" (1/1) ... [2019-11-24 18:47:41,496 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:47:24" (1/1) ... [2019-11-24 18:47:41,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:47:24" (1/1) ... [2019-11-24 18:47:44,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:47:24" (1/1) ... [2019-11-24 18:47:44,592 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:47:24" (1/1) ... [2019-11-24 18:47:45,382 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:47:24" (1/1) ... [2019-11-24 18:47:46,155 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 18:47:46,156 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 18:47:46,156 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 18:47:46,156 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 18:47:46,157 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:47:24" (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 [2019-11-24 18:47:46,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 18:47:46,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 18:47:46,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 18:47:46,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-24 18:47:46,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 18:47:46,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start