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-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/termination-crafted/NestedRecursion_1b_true-no-overflow_true-termination_true-valid-memsafety.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-10914cd [2018-11-09 11:50:44,530 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-09 11:50:44,535 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-09 11:50:44,563 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-09 11:50:44,563 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-09 11:50:44,564 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-09 11:50:44,574 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-09 11:50:44,579 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-09 11:50:44,584 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-09 11:50:44,590 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-09 11:50:44,591 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-09 11:50:44,595 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-09 11:50:44,598 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-09 11:50:44,599 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-09 11:50:44,606 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-09 11:50:44,608 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-09 11:50:44,612 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-09 11:50:44,614 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-09 11:50:44,630 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-09 11:50:44,635 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-09 11:50:44,641 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-09 11:50:44,643 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-09 11:50:44,652 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-09 11:50:44,675 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-09 11:50:44,675 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-09 11:50:44,679 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-09 11:50:44,680 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-09 11:50:44,681 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2018-11-09 11:50:44,730 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-09 11:50:44,733 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-09 11:50:44,737 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-09 11:50:44,737 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-09 11:50:44,741 INFO L133 SettingsManager]: * Use SBE=true [2018-11-09 11:50:44,741 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-09 11:50:44,742 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-09 11:50:44,742 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-09 11:50:44,742 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-09 11:50:44,742 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-09 11:50:44,742 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-09 11:50:44,742 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-09 11:50:44,743 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-09 11:50:44,743 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-09 11:50:44,743 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-09 11:50:44,743 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-09 11:50:44,743 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-09 11:50:44,747 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-09 11:50:44,747 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-09 11:50:44,747 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-09 11:50:44,748 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-09 11:50:44,748 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-09 11:50:44,748 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-09 11:50:44,748 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-09 11:50:44,748 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-09 11:50:44,748 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-09 11:50:44,749 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-09 11:50:44,749 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-09 11:50:44,749 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-09 11:50:44,871 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-09 11:50:44,912 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-09 11:50:44,922 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-09 11:50:44,926 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-09 11:50:44,926 INFO L276 PluginConnector]: CDTParser initialized [2018-11-09 11:50:44,927 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/termination-crafted/NestedRecursion_1b_true-no-overflow_true-termination_true-valid-memsafety.c [2018-11-09 11:50:45,067 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba10e0554/77b516ddc6584fb883004ebae62d97be/FLAG968646ab1 [2018-11-09 11:50:46,021 INFO L298 CDTParser]: Found 1 translation units. [2018-11-09 11:50:46,022 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/termination-crafted/NestedRecursion_1b_true-no-overflow_true-termination_true-valid-memsafety.c [2018-11-09 11:50:46,039 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba10e0554/77b516ddc6584fb883004ebae62d97be/FLAG968646ab1 [2018-11-09 11:50:46,063 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba10e0554/77b516ddc6584fb883004ebae62d97be [2018-11-09 11:50:46,091 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-09 11:50:46,096 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2018-11-09 11:50:46,099 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-09 11:50:46,100 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-09 11:50:46,109 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-09 11:50:46,114 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:50:46" (1/1) ... [2018-11-09 11:50:46,120 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6306584e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:50:46, skipping insertion in model container [2018-11-09 11:50:46,120 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:50:46" (1/1) ... [2018-11-09 11:50:46,145 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-09 11:50:46,191 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-09 11:50:46,708 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-09 11:50:46,720 INFO L189 MainTranslator]: Completed pre-run [2018-11-09 11:50:46,756 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-09 11:50:46,788 INFO L193 MainTranslator]: Completed translation [2018-11-09 11:50:46,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:50:46 WrapperNode [2018-11-09 11:50:46,789 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-09 11:50:46,791 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-09 11:50:46,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-09 11:50:46,791 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-09 11:50:46,807 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:50:46" (1/1) ... [2018-11-09 11:50:46,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:50:46" (1/1) ... [2018-11-09 11:50:46,817 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:50:46" (1/1) ... [2018-11-09 11:50:46,818 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:50:46" (1/1) ... [2018-11-09 11:50:46,838 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:50:46" (1/1) ... [2018-11-09 11:50:46,842 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:50:46" (1/1) ... [2018-11-09 11:50:46,844 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:50:46" (1/1) ... [2018-11-09 11:50:46,846 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-09 11:50:46,849 INFO L168 Benchmark]: Toolchain (without parser) took 757.01 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: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 3.9 GB. [2018-11-09 11:50:46,851 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. [2018-11-09 11:50:46,853 INFO L168 Benchmark]: CACSL2BoogieTranslator took 690.17 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: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 3.9 GB. [2018-11-09 11:50:46,856 INFO L168 Benchmark]: Boogie Preprocessor took 55.49 ms. Allocated memory is still 2.0 GB. Free memory is still 1.9 GB. There was no memory consumed. Max. memory is 3.9 GB. [2018-11-09 11:50:46,860 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 690.17 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: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 3.9 GB. * Boogie Preprocessor took 55.49 ms. Allocated memory is still 2.0 GB. Free memory is still 1.9 GB. There was no memory consumed. Max. memory is 3.9 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...