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_true-unreach-call.1.M1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b67e021 [2018-11-16 11:33:23,481 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-16 11:33:23,488 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-16 11:33:23,524 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-16 11:33:23,525 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-16 11:33:23,526 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-16 11:33:23,531 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-16 11:33:23,536 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-16 11:33:23,538 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-16 11:33:23,550 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-16 11:33:23,554 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-16 11:33:23,555 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-16 11:33:23,558 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-16 11:33:23,559 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-16 11:33:23,569 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-16 11:33:23,570 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-16 11:33:23,572 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-16 11:33:23,574 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-16 11:33:23,579 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-16 11:33:23,587 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-16 11:33:23,590 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-16 11:33:23,594 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-16 11:33:23,602 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-16 11:33:23,626 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 [2018-11-16 11:33:23,669 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-16 11:33:23,673 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-16 11:33:23,674 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-16 11:33:23,674 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-16 11:33:23,678 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-16 11:33:23,678 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-16 11:33:23,678 INFO L133 SettingsManager]: * Use SBE=true [2018-11-16 11:33:23,679 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-16 11:33:23,679 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-16 11:33:23,679 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-16 11:33:23,679 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-16 11:33:23,679 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-16 11:33:23,680 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-16 11:33:23,687 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-16 11:33:23,688 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-16 11:33:23,691 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-16 11:33:23,712 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-16 11:33:23,713 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-16 11:33:23,715 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-16 11:33:23,724 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-16 11:33:23,725 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-16 11:33:23,726 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-16 11:33:23,726 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-16 11:33:23,726 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-16 11:33:23,727 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-16 11:33:23,727 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-16 11:33:23,727 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-16 11:33:23,727 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-16 11:33:23,728 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-16 11:33:23,728 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-16 11:33:23,728 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-16 11:33:23,840 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-16 11:33:23,873 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-16 11:33:23,884 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-16 11:33:23,888 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-16 11:33:23,888 INFO L276 PluginConnector]: CDTParser initialized [2018-11-16 11:33:23,889 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_nxt_true-unreach-call.1.M1.c [2018-11-16 11:33:24,023 INFO L219 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31da772d0/c87bceb21c984f88b332334680ff87f6/FLAG141b44614 [2018-11-16 11:33:25,383 INFO L304 CDTParser]: Found 1 translation units. [2018-11-16 11:33:25,389 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekh_nxt_true-unreach-call.1.M1.c [2018-11-16 11:33:25,439 INFO L352 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31da772d0/c87bceb21c984f88b332334680ff87f6/FLAG141b44614 [2018-11-16 11:33:25,651 INFO L360 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31da772d0/c87bceb21c984f88b332334680ff87f6 [2018-11-16 11:33:25,672 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-16 11:33:25,677 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2018-11-16 11:33:25,682 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-16 11:33:25,683 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-16 11:33:25,697 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-16 11:33:25,699 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:33:25" (1/1) ... [2018-11-16 11:33:25,705 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3617778f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:25, skipping insertion in model container [2018-11-16 11:33:25,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:33:25" (1/1) ... [2018-11-16 11:33:25,735 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-16 11:33:25,907 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-16 11:33:27,689 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-16 11:33:27,742 INFO L191 MainTranslator]: Completed pre-run [2018-11-16 11:33:28,557 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-16 11:33:28,652 INFO L195 MainTranslator]: Completed translation [2018-11-16 11:33:28,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:28 WrapperNode [2018-11-16 11:33:28,658 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-16 11:33:28,659 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-16 11:33:28,659 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-16 11:33:28,660 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-16 11:33:28,693 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:28" (1/1) ... [2018-11-16 11:33:28,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:28" (1/1) ... [2018-11-16 11:33:28,856 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:28" (1/1) ... [2018-11-16 11:33:28,857 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:28" (1/1) ... [2018-11-16 11:33:29,243 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:28" (1/1) ... [2018-11-16 11:33:29,306 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:28" (1/1) ... [2018-11-16 11:33:29,360 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:28" (1/1) ... [2018-11-16 11:33:29,426 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-16 11:33:29,432 INFO L168 Benchmark]: Toolchain (without parser) took 3755.56 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: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 3.9 GB. [2018-11-16 11:33:29,438 INFO L168 Benchmark]: CDTParser took 0.20 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. [2018-11-16 11:33:29,438 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2976.31 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: -11.1 MB). Peak memory consumption was 73.4 MB. Max. memory is 3.9 GB. [2018-11-16 11:33:29,439 INFO L168 Benchmark]: Boogie Preprocessor took 769.64 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: 33.8 MB). Peak memory consumption was 33.8 MB. Max. memory is 3.9 GB. [2018-11-16 11:33:29,451 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 0.20 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 2976.31 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: -11.1 MB). Peak memory consumption was 73.4 MB. Max. memory is 3.9 GB. * Boogie Preprocessor took 769.64 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: 33.8 MB). Peak memory consumption was 33.8 MB. Max. memory is 3.9 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...