java -ea -Xmx4000000000 -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.M4.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-82208a2 [2018-10-17 13:03:19,866 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-17 13:03:19,874 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-17 13:03:19,911 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-17 13:03:19,912 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-17 13:03:19,916 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-17 13:03:19,918 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-17 13:03:19,922 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-17 13:03:19,928 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-17 13:03:19,929 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-17 13:03:19,933 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-17 13:03:19,933 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-17 13:03:19,940 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-17 13:03:19,944 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-17 13:03:19,946 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-17 13:03:19,959 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-17 13:03:19,960 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-17 13:03:19,969 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-17 13:03:19,974 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-17 13:03:19,978 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-17 13:03:19,979 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-17 13:03:19,986 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-17 13:03:19,991 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-17 13:03:20,018 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 [2018-10-17 13:03:20,060 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-17 13:03:20,064 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-17 13:03:20,065 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-17 13:03:20,065 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-17 13:03:20,068 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-17 13:03:20,069 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-17 13:03:20,069 INFO L133 SettingsManager]: * Use SBE=true [2018-10-17 13:03:20,069 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-17 13:03:20,069 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-17 13:03:20,070 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-17 13:03:20,073 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-17 13:03:20,073 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-17 13:03:20,073 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-17 13:03:20,074 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-17 13:03:20,074 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-17 13:03:20,078 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-17 13:03:20,078 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-17 13:03:20,078 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-17 13:03:20,079 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-17 13:03:20,079 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-17 13:03:20,079 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-17 13:03:20,079 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-17 13:03:20,079 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-17 13:03:20,080 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-17 13:03:20,080 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-17 13:03:20,080 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-17 13:03:20,080 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-17 13:03:20,080 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-17 13:03:20,080 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-17 13:03:20,084 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-17 13:03:20,205 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-17 13:03:20,238 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-17 13:03:20,247 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-17 13:03:20,252 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-17 13:03:20,256 INFO L276 PluginConnector]: CDTParser initialized [2018-10-17 13:03:20,257 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_nxt_false-unreach-call.2.M4.c [2018-10-17 13:03:20,389 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fbf5c326/ddeb00ed2c01437c8106db554358eace/FLAGeb37133d0 [2018-10-17 13:03:21,735 INFO L298 CDTParser]: Found 1 translation units. [2018-10-17 13:03:21,737 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekh_nxt_false-unreach-call.2.M4.c [2018-10-17 13:03:21,789 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fbf5c326/ddeb00ed2c01437c8106db554358eace/FLAGeb37133d0 [2018-10-17 13:03:21,835 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fbf5c326/ddeb00ed2c01437c8106db554358eace [2018-10-17 13:03:21,864 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-17 13:03:21,869 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2018-10-17 13:03:21,871 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-17 13:03:21,871 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-17 13:03:21,883 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-17 13:03:21,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 01:03:21" (1/1) ... [2018-10-17 13:03:21,893 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d6f97aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 01:03:21, skipping insertion in model container [2018-10-17 13:03:21,893 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 01:03:21" (1/1) ... [2018-10-17 13:03:21,921 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-17 13:03:22,100 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-17 13:03:23,932 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-17 13:03:23,985 INFO L189 MainTranslator]: Completed pre-run [2018-10-17 13:03:24,788 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-17 13:03:24,907 INFO L193 MainTranslator]: Completed translation [2018-10-17 13:03:24,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 01:03:24 WrapperNode [2018-10-17 13:03:24,911 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-17 13:03:24,912 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-17 13:03:24,912 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-17 13:03:24,913 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-17 13:03:24,945 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 01:03:24" (1/1) ... [2018-10-17 13:03:24,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 01:03:24" (1/1) ... [2018-10-17 13:03:25,125 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 01:03:24" (1/1) ... [2018-10-17 13:03:25,126 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 01:03:24" (1/1) ... [2018-10-17 13:03:25,533 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 01:03:24" (1/1) ... [2018-10-17 13:03:25,594 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 01:03:24" (1/1) ... [2018-10-17 13:03:25,634 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 01:03:24" (1/1) ... [2018-10-17 13:03:25,692 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-17 13:03:25,697 INFO L168 Benchmark]: Toolchain (without parser) took 3829.88 ms. Allocated memory is still 2.0 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 45.1 MB). Peak memory consumption was 45.1 MB. Max. memory is 3.9 GB. [2018-10-17 13:03:25,707 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 2.0 GB. Free memory is still 2.0 GB. There was no memory consumed. Max. memory is 3.9 GB. [2018-10-17 13:03:25,707 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3040.97 ms. Allocated memory is still 2.0 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 232 B). Peak memory consumption was 73.3 MB. Max. memory is 3.9 GB. [2018-10-17 13:03:25,709 INFO L168 Benchmark]: Boogie Preprocessor took 780.25 ms. Allocated memory is still 2.0 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 45.1 MB). Peak memory consumption was 45.1 MB. Max. memory is 3.9 GB. [2018-10-17 13:03:25,713 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 0.22 ms. Allocated memory is still 2.0 GB. Free memory is still 2.0 GB. There was no memory consumed. Max. memory is 3.9 GB. * CACSL2BoogieTranslator took 3040.97 ms. Allocated memory is still 2.0 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 232 B). Peak memory consumption was 73.3 MB. Max. memory is 3.9 GB. * Boogie Preprocessor took 780.25 ms. Allocated memory is still 2.0 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 45.1 MB). Peak memory consumption was 45.1 MB. Max. memory is 3.9 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...