java -ea -Xmx2000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/C-BPP.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/seq-mthreaded/rekh_nxt_false-unreach-call.2.M1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-985f63f [2018-10-11 18:34:54,846 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-11 18:34:54,849 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-11 18:34:54,882 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-11 18:34:54,882 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-11 18:34:54,891 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-11 18:34:54,895 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-11 18:34:54,899 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-11 18:34:54,904 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-11 18:34:54,905 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-11 18:34:54,912 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-11 18:34:54,912 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-11 18:34:54,917 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-11 18:34:54,918 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-11 18:34:54,919 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-11 18:34:54,927 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-11 18:34:54,929 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-11 18:34:54,931 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-11 18:34:54,944 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-11 18:34:54,955 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-11 18:34:54,956 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-11 18:34:54,963 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-11 18:34:54,974 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-11 18:34:55,005 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2018-10-11 18:34:55,055 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-11 18:34:55,055 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-11 18:34:55,056 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-11 18:34:55,056 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-11 18:34:55,066 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-11 18:34:55,066 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-11 18:34:55,066 INFO L133 SettingsManager]: * Use SBE=true [2018-10-11 18:34:55,067 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-11 18:34:55,067 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-11 18:34:55,067 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-11 18:34:55,067 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-11 18:34:55,067 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-11 18:34:55,067 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-11 18:34:55,069 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-11 18:34:55,069 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-11 18:34:55,069 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-11 18:34:55,069 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-11 18:34:55,069 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-11 18:34:55,070 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-11 18:34:55,070 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-11 18:34:55,070 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-11 18:34:55,070 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-11 18:34:55,070 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-11 18:34:55,076 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-11 18:34:55,076 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-11 18:34:55,076 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-11 18:34:55,077 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-11 18:34:55,077 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-11 18:34:55,077 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-11 18:34:55,077 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-11 18:34:55,204 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-11 18:34:55,243 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-11 18:34:55,251 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-11 18:34:55,257 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-11 18:34:55,258 INFO L276 PluginConnector]: CDTParser initialized [2018-10-11 18:34:55,258 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_nxt_false-unreach-call.2.M1.c [2018-10-11 18:34:55,409 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c82bfa0af/9fb1dd35cbcd4318b91679e7cced80ca/FLAG1b80224b8 [2018-10-11 18:34:56,971 INFO L298 CDTParser]: Found 1 translation units. [2018-10-11 18:34:56,976 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekh_nxt_false-unreach-call.2.M1.c [2018-10-11 18:34:57,030 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c82bfa0af/9fb1dd35cbcd4318b91679e7cced80ca/FLAG1b80224b8 [2018-10-11 18:34:57,069 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c82bfa0af/9fb1dd35cbcd4318b91679e7cced80ca [2018-10-11 18:34:57,097 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-11 18:34:57,102 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2018-10-11 18:34:57,105 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-11 18:34:57,105 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-11 18:34:57,119 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-11 18:34:57,121 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 06:34:57" (1/1) ... [2018-10-11 18:34:57,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c7917ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:34:57, skipping insertion in model container [2018-10-11 18:34:57,127 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 06:34:57" (1/1) ... [2018-10-11 18:34:57,156 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-11 18:34:57,331 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-11 18:34:58,870 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-11 18:34:58,928 INFO L189 MainTranslator]: Completed pre-run [2018-10-11 18:34:59,609 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-11 18:34:59,953 INFO L193 MainTranslator]: Completed translation [2018-10-11 18:34:59,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:34:59 WrapperNode [2018-10-11 18:34:59,954 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-11 18:34:59,955 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-11 18:34:59,955 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-11 18:34:59,956 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-11 18:34:59,993 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:34:59" (1/1) ... [2018-10-11 18:34:59,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:34:59" (1/1) ... [2018-10-11 18:35:00,194 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:34:59" (1/1) ... [2018-10-11 18:35:00,195 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:34:59" (1/1) ... [2018-10-11 18:35:00,600 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:34:59" (1/1) ... [2018-10-11 18:35:00,668 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:34:59" (1/1) ... [2018-10-11 18:35:00,704 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:34:59" (1/1) ... [2018-10-11 18:35:00,764 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-11 18:35:00,770 INFO L168 Benchmark]: Toolchain (without parser) took 3669.11 ms. Allocated memory is still 1.9 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 1.9 GB. [2018-10-11 18:35:00,775 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.9 GB. Free memory is still 1.9 GB. There was no memory consumed. Max. memory is 1.9 GB. [2018-10-11 18:35:00,775 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2850.16 ms. Allocated memory is still 1.9 GB. Free memory was 1.8 GB in the beginning and 1.9 GB in the end (delta: -46.4 MB). Peak memory consumption was 143.1 MB. Max. memory is 1.9 GB. [2018-10-11 18:35:00,776 INFO L168 Benchmark]: Boogie Preprocessor took 809.38 ms. Allocated memory is still 1.9 GB. Free memory was 1.9 GB in the beginning and 1.8 GB in the end (delta: 53.4 MB). Peak memory consumption was 53.4 MB. Max. memory is 1.9 GB. [2018-10-11 18:35:00,786 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - GenericResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.9 GB. Free memory is still 1.9 GB. There was no memory consumed. Max. memory is 1.9 GB. * CACSL2BoogieTranslator took 2850.16 ms. Allocated memory is still 1.9 GB. Free memory was 1.8 GB in the beginning and 1.9 GB in the end (delta: -46.4 MB). Peak memory consumption was 143.1 MB. Max. memory is 1.9 GB. * Boogie Preprocessor took 809.38 ms. Allocated memory is still 1.9 GB. Free memory was 1.9 GB in the beginning and 1.8 GB in the end (delta: 53.4 MB). Peak memory consumption was 53.4 MB. Max. memory is 1.9 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...