./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/forester-heap/dll-token-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/forester-heap/dll-token-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 35a5ccff58935eefedf723cd2243fac7c8b8e61b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/forester-heap/dll-token-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 35a5ccff58935eefedf723cd2243fac7c8b8e61b ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 21:08:22,251 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:08:22,257 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:08:22,281 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:08:22,283 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:08:22,288 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:08:22,290 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:08:22,301 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:08:22,307 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:08:22,313 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:08:22,314 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:08:22,318 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:08:22,318 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:08:22,322 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:08:22,324 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:08:22,328 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:08:22,329 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:08:22,330 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:08:22,337 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:08:22,340 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:08:22,345 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:08:22,352 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:08:22,356 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:08:22,358 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:08:22,361 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:08:22,363 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:08:22,363 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:08:22,365 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:08:22,369 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:08:22,370 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:08:22,371 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:08:22,371 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:08:22,373 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:08:22,376 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:08:22,378 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:08:22,381 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:08:22,382 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:08:22,383 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:08:22,383 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:08:22,384 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:08:22,387 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:08:22,388 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:08:22,415 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:08:22,417 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:08:22,421 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:08:22,422 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:08:22,422 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:08:22,422 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:08:22,422 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:08:22,423 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:08:22,423 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:08:22,425 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:08:22,426 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:08:22,426 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:08:22,426 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:08:22,427 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:08:22,427 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:08:22,427 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:08:22,427 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:08:22,427 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:08:22,430 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:08:22,430 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:08:22,430 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:08:22,430 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:08:22,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:08:22,431 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:08:22,431 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:08:22,431 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:08:22,432 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:08:22,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:08:22,432 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:08:22,432 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 35a5ccff58935eefedf723cd2243fac7c8b8e61b [2019-11-24 21:08:22,893 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:08:22,907 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:08:22,913 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:08:22,917 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:08:22,917 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:08:22,918 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-token-2.i [2019-11-24 21:08:23,029 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2838d2fed/6e04dbde7eba49d9bf8230ec2eefb2de/FLAG70e103270 [2019-11-24 21:08:23,841 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:08:23,842 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-token-2.i [2019-11-24 21:08:23,879 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2838d2fed/6e04dbde7eba49d9bf8230ec2eefb2de/FLAG70e103270 [2019-11-24 21:08:24,058 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2838d2fed/6e04dbde7eba49d9bf8230ec2eefb2de [2019-11-24 21:08:24,061 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:08:24,063 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:08:24,073 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:08:24,075 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:08:24,081 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:08:24,085 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:08:24" (1/1) ... [2019-11-24 21:08:24,090 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bc4890b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:24, skipping insertion in model container [2019-11-24 21:08:24,090 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:08:24" (1/1) ... [2019-11-24 21:08:24,102 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:08:24,174 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:08:24,802 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:08:24,818 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:08:24,908 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:08:24,988 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:08:24,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:24 WrapperNode [2019-11-24 21:08:24,992 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:08:24,994 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:08:24,997 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:08:24,997 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:08:25,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:24" (1/1) ... [2019-11-24 21:08:25,045 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:24" (1/1) ... [2019-11-24 21:08:25,098 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:08:25,098 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:08:25,098 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:08:25,099 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:08:25,108 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:24" (1/1) ... [2019-11-24 21:08:25,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:24" (1/1) ... [2019-11-24 21:08:25,117 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:24" (1/1) ... [2019-11-24 21:08:25,118 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:24" (1/1) ... [2019-11-24 21:08:25,149 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:24" (1/1) ... [2019-11-24 21:08:25,175 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:24" (1/1) ... [2019-11-24 21:08:25,185 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:24" (1/1) ... [2019-11-24 21:08:25,191 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:08:25,205 INFO L168 Benchmark]: Toolchain (without parser) took 1133.80 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 978.3 MB in the end (delta: -18.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:08:25,206 INFO L168 Benchmark]: CDTParser took 3.27 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:08:25,208 INFO L168 Benchmark]: CACSL2BoogieTranslator took 919.81 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 978.3 MB in the end (delta: -18.1 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-24 21:08:25,211 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.41 ms. Allocated memory is still 1.0 GB. Free memory is still 978.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:08:25,211 INFO L168 Benchmark]: Boogie Preprocessor took 96.48 ms. Allocated memory is still 1.0 GB. Free memory is still 978.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:08:25,217 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.27 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 919.81 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 978.3 MB in the end (delta: -18.1 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 104.41 ms. Allocated memory is still 1.0 GB. Free memory is still 978.3 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 96.48 ms. Allocated memory is still 1.0 GB. Free memory is still 978.3 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 21:08:27,907 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:08:27,909 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:08:27,931 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:08:27,933 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:08:27,941 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:08:27,944 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:08:27,959 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:08:27,966 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:08:27,967 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:08:27,968 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:08:27,974 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:08:27,974 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:08:27,979 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:08:27,981 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:08:27,984 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:08:27,987 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:08:27,988 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:08:27,991 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:08:27,999 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:08:28,000 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:08:28,010 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:08:28,012 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:08:28,015 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:08:28,020 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:08:28,021 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:08:28,021 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:08:28,025 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:08:28,026 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:08:28,028 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:08:28,028 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:08:28,032 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:08:28,033 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:08:28,033 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:08:28,035 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:08:28,035 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:08:28,036 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:08:28,039 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:08:28,039 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:08:28,040 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:08:28,041 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:08:28,042 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:08:28,072 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:08:28,073 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:08:28,078 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:08:28,079 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:08:28,079 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:08:28,079 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:08:28,079 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:08:28,080 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:08:28,080 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:08:28,080 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:08:28,081 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:08:28,081 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:08:28,081 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:08:28,082 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:08:28,082 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:08:28,084 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:08:28,084 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:08:28,084 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:08:28,084 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:08:28,085 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:08:28,085 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:08:28,085 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:08:28,085 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:08:28,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:08:28,087 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:08:28,087 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:08:28,087 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:08:28,088 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:08:28,088 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:08:28,088 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:08:28,091 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:08:28,091 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 35a5ccff58935eefedf723cd2243fac7c8b8e61b [2019-11-24 21:08:28,540 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:08:28,556 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:08:28,563 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:08:28,564 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:08:28,565 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:08:28,565 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-token-2.i [2019-11-24 21:08:28,669 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58e8148c4/e86a3af7ced447269a021b4a7b8711e1/FLAGfb40ad592 [2019-11-24 21:08:29,495 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:08:29,498 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-token-2.i [2019-11-24 21:08:29,524 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58e8148c4/e86a3af7ced447269a021b4a7b8711e1/FLAGfb40ad592 [2019-11-24 21:08:29,691 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58e8148c4/e86a3af7ced447269a021b4a7b8711e1 [2019-11-24 21:08:29,697 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:08:29,698 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:08:29,706 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:08:29,706 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:08:29,711 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:08:29,713 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:08:29" (1/1) ... [2019-11-24 21:08:29,719 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7241e323 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:29, skipping insertion in model container [2019-11-24 21:08:29,719 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:08:29" (1/1) ... [2019-11-24 21:08:29,726 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:08:29,804 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:08:30,426 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:08:30,453 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:08:30,546 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:08:30,628 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:08:30,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:30 WrapperNode [2019-11-24 21:08:30,631 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:08:30,633 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:08:30,633 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:08:30,635 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:08:30,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:30" (1/1) ... [2019-11-24 21:08:30,682 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:30" (1/1) ... [2019-11-24 21:08:30,720 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:08:30,721 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:08:30,721 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:08:30,721 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:08:30,729 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:30" (1/1) ... [2019-11-24 21:08:30,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:30" (1/1) ... [2019-11-24 21:08:30,737 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:30" (1/1) ... [2019-11-24 21:08:30,738 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:30" (1/1) ... [2019-11-24 21:08:30,769 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:30" (1/1) ... [2019-11-24 21:08:30,784 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:30" (1/1) ... [2019-11-24 21:08:30,792 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:30" (1/1) ... [2019-11-24 21:08:30,797 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:08:30,807 INFO L168 Benchmark]: Toolchain (without parser) took 1101.25 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.8 MB in the end (delta: -11.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:08:30,807 INFO L168 Benchmark]: CDTParser took 1.20 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:08:30,811 INFO L168 Benchmark]: CACSL2BoogieTranslator took 926.37 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.5 MB in the end (delta: -16.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:08:30,812 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.00 ms. Allocated memory is still 1.0 GB. Free memory is still 978.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:08:30,815 INFO L168 Benchmark]: Boogie Preprocessor took 76.84 ms. Allocated memory is still 1.0 GB. Free memory was 978.5 MB in the beginning and 972.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:08:30,830 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.20 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 926.37 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.5 MB in the end (delta: -16.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 88.00 ms. Allocated memory is still 1.0 GB. Free memory is still 978.5 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 76.84 ms. Allocated memory is still 1.0 GB. Free memory was 978.5 MB in the beginning and 972.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...