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-cb2f9b4 [2018-09-12 13:36:39,259 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-12 13:36:39,263 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-12 13:36:39,302 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-12 13:36:39,302 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-12 13:36:39,307 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-12 13:36:39,309 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-12 13:36:39,314 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-12 13:36:39,322 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-12 13:36:39,323 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-12 13:36:39,334 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-12 13:36:39,335 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-12 13:36:39,341 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-12 13:36:39,346 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-12 13:36:39,347 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-12 13:36:39,348 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-12 13:36:39,354 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-12 13:36:39,363 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-12 13:36:39,365 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-12 13:36:39,367 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-12 13:36:39,375 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-12 13:36:39,380 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-12 13:36:39,383 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-09-12 13:36:39,414 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 [2018-09-12 13:36:39,460 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-12 13:36:39,461 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-12 13:36:39,462 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-12 13:36:39,469 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-12 13:36:39,472 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-12 13:36:39,473 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-12 13:36:39,473 INFO L133 SettingsManager]: * Use SBE=true [2018-09-12 13:36:39,473 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-12 13:36:39,474 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-12 13:36:39,474 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-12 13:36:39,474 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-12 13:36:39,474 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-12 13:36:39,474 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-12 13:36:39,475 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-12 13:36:39,475 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-12 13:36:39,475 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-12 13:36:39,475 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-12 13:36:39,481 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-12 13:36:39,481 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-12 13:36:39,481 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-12 13:36:39,481 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-12 13:36:39,482 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-12 13:36:39,482 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-12 13:36:39,482 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-12 13:36:39,482 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-12 13:36:39,486 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-12 13:36:39,486 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-12 13:36:39,486 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-12 13:36:39,488 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-12 13:36:39,489 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-12 13:36:39,617 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-12 13:36:39,664 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-12 13:36:39,684 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-12 13:36:39,686 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-12 13:36:39,687 INFO L276 PluginConnector]: CDTParser initialized [2018-09-12 13:36:39,688 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_nxt_false-unreach-call.2.M1.c [2018-09-12 13:36:40,348 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bde018483/85626d1cd17f43ac93d464dc4576af86/FLAG039881946 [2018-09-12 13:36:41,323 INFO L277 CDTParser]: Found 1 translation units. [2018-09-12 13:36:41,324 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekh_nxt_false-unreach-call.2.M1.c [2018-09-12 13:36:41,388 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bde018483/85626d1cd17f43ac93d464dc4576af86/FLAG039881946 [2018-09-12 13:36:41,415 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bde018483/85626d1cd17f43ac93d464dc4576af86 [2018-09-12 13:36:41,444 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-12 13:36:41,453 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2018-09-12 13:36:41,457 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-12 13:36:41,457 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-12 13:36:41,476 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-12 13:36:41,478 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 01:36:41" (1/1) ... [2018-09-12 13:36:41,484 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cce3983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 01:36:41, skipping insertion in model container [2018-09-12 13:36:41,487 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 01:36:41" (1/1) ... [2018-09-12 13:36:42,134 INFO L180 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-09-12 13:36:43,152 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-12 13:36:43,244 INFO L431 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-12 13:36:43,668 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-12 13:36:43,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 01:36:43 WrapperNode [2018-09-12 13:36:43,962 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-12 13:36:43,965 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-12 13:36:43,966 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-12 13:36:43,966 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-12 13:36:44,004 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 01:36:43" (1/1) ... [2018-09-12 13:36:44,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 01:36:43" (1/1) ... [2018-09-12 13:36:44,317 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 01:36:43" (1/1) ... [2018-09-12 13:36:44,317 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 01:36:43" (1/1) ... [2018-09-12 13:36:44,485 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 01:36:43" (1/1) ... [2018-09-12 13:36:44,556 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 01:36:43" (1/1) ... [2018-09-12 13:36:44,600 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 01:36:43" (1/1) ... [2018-09-12 13:36:44,647 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-12 13:36:44,653 INFO L168 Benchmark]: Toolchain (without parser) took 3204.99 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: -30.0 MB). Peak memory consumption was 116.8 MB. Max. memory is 1.9 GB. [2018-09-12 13:36:44,655 INFO L168 Benchmark]: CDTParser took 0.22 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. [2018-09-12 13:36:44,656 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2505.77 ms. Allocated memory is still 1.9 GB. Free memory was 1.8 GB in the beginning and 1.7 GB in the end (delta: 96.1 MB). Peak memory consumption was 96.1 MB. Max. memory is 1.9 GB. [2018-09-12 13:36:44,661 INFO L168 Benchmark]: Boogie Preprocessor took 681.81 ms. Allocated memory is still 1.9 GB. Free memory was 1.7 GB in the beginning and 1.9 GB in the end (delta: -126.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 1.9 GB. [2018-09-12 13:36:44,668 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 1.9 GB. Free memory is still 1.9 GB. There was no memory consumed. Max. memory is 1.9 GB. * CACSL2BoogieTranslator took 2505.77 ms. Allocated memory is still 1.9 GB. Free memory was 1.8 GB in the beginning and 1.7 GB in the end (delta: 96.1 MB). Peak memory consumption was 96.1 MB. Max. memory is 1.9 GB. * Boogie Preprocessor took 681.81 ms. Allocated memory is still 1.9 GB. Free memory was 1.7 GB in the beginning and 1.9 GB in the end (delta: -126.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 1.9 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...