./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-ext-properties/test-0019_1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 8d31f386 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/list-ext-properties/test-0019_1-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bdb7b41689d384418a154f01910b0fd527032012 ................................................................................................................................. 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 -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/list-ext-properties/test-0019_1-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bdb7b41689d384418a154f01910b0fd527032012 .................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.multireach-323-8d31f38 [2021-07-06 10:07:23,248 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-06 10:07:23,250 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-06 10:07:23,293 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-06 10:07:23,294 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-06 10:07:23,298 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-06 10:07:23,301 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-06 10:07:23,307 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-06 10:07:23,310 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-06 10:07:23,316 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-06 10:07:23,317 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-06 10:07:23,319 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-06 10:07:23,319 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-06 10:07:23,322 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-06 10:07:23,323 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-06 10:07:23,324 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-06 10:07:23,327 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-06 10:07:23,328 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-06 10:07:23,331 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-06 10:07:23,334 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-06 10:07:23,335 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-06 10:07:23,336 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-06 10:07:23,337 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-06 10:07:23,337 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-06 10:07:23,339 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-06 10:07:23,340 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-06 10:07:23,340 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-06 10:07:23,341 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-06 10:07:23,341 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-06 10:07:23,342 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-06 10:07:23,342 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-06 10:07:23,343 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-06 10:07:23,344 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-06 10:07:23,344 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-06 10:07:23,345 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-06 10:07:23,345 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-06 10:07:23,346 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-06 10:07:23,346 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-06 10:07:23,346 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-06 10:07:23,347 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-06 10:07:23,348 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-06 10:07:23,349 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-07-06 10:07:23,368 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-06 10:07:23,368 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-06 10:07:23,369 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-06 10:07:23,369 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-06 10:07:23,369 INFO L138 SettingsManager]: * Use SBE=true [2021-07-06 10:07:23,370 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-06 10:07:23,370 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-06 10:07:23,370 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-07-06 10:07:23,370 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-06 10:07:23,370 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-06 10:07:23,371 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-06 10:07:23,371 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-07-06 10:07:23,371 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-07-06 10:07:23,371 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-07-06 10:07:23,371 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-06 10:07:23,372 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-07-06 10:07:23,372 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-06 10:07:23,372 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-06 10:07:23,372 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-06 10:07:23,372 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-06 10:07:23,373 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-06 10:07:23,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-06 10:07:23,373 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-06 10:07:23,373 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-06 10:07:23,373 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-06 10:07:23,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-06 10:07:23,374 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-06 10:07:23,374 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bdb7b41689d384418a154f01910b0fd527032012 [2021-07-06 10:07:23,712 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-06 10:07:23,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-06 10:07:23,749 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-06 10:07:23,750 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-06 10:07:23,750 INFO L275 PluginConnector]: CDTParser initialized [2021-07-06 10:07:23,751 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext-properties/test-0019_1-1.i [2021-07-06 10:07:23,812 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b42e3725/0e8316b690dd467290af23bfd778750b/FLAGf83442a9d [2021-07-06 10:07:24,282 INFO L306 CDTParser]: Found 1 translation units. [2021-07-06 10:07:24,282 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext-properties/test-0019_1-1.i [2021-07-06 10:07:24,295 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b42e3725/0e8316b690dd467290af23bfd778750b/FLAGf83442a9d [2021-07-06 10:07:24,778 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b42e3725/0e8316b690dd467290af23bfd778750b [2021-07-06 10:07:24,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-06 10:07:24,782 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-06 10:07:24,782 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-06 10:07:24,783 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-06 10:07:24,786 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-06 10:07:24,787 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 10:07:24" (1/1) ... [2021-07-06 10:07:24,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@209e908f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 10:07:24, skipping insertion in model container [2021-07-06 10:07:24,788 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 10:07:24" (1/1) ... [2021-07-06 10:07:24,794 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-06 10:07:24,820 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-06 10:07:25,016 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 10:07:25,026 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-07-06 10:07:25,027 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@11500f23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 10:07:25, skipping insertion in model container [2021-07-06 10:07:25,027 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-06 10:07:25,027 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-07-06 10:07:25,029 INFO L168 Benchmark]: Toolchain (without parser) took 246.48 ms. Allocated memory is still 60.8 MB. Free memory was 39.3 MB in the beginning and 42.5 MB in the end (delta: -3.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-07-06 10:07:25,030 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 60.8 MB. Free memory was 42.2 MB in the beginning and 42.2 MB in the end (delta: 51.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 10:07:25,030 INFO L168 Benchmark]: CACSL2BoogieTranslator took 244.67 ms. Allocated memory is still 60.8 MB. Free memory was 39.2 MB in the beginning and 42.5 MB in the end (delta: -3.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-07-06 10:07:25,032 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 ms. Allocated memory is still 60.8 MB. Free memory was 42.2 MB in the beginning and 42.2 MB in the end (delta: 51.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 244.67 ms. Allocated memory is still 60.8 MB. Free memory was 39.2 MB in the beginning and 42.5 MB in the end (delta: -3.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 529]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-wip.dd.multireach-323-8d31f38 [2021-07-06 10:07:26,529 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-06 10:07:26,536 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-06 10:07:26,554 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-06 10:07:26,554 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-06 10:07:26,555 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-06 10:07:26,556 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-06 10:07:26,557 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-06 10:07:26,562 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-06 10:07:26,569 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-06 10:07:26,570 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-06 10:07:26,572 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-06 10:07:26,572 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-06 10:07:26,574 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-06 10:07:26,575 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-06 10:07:26,578 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-06 10:07:26,580 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-06 10:07:26,580 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-06 10:07:26,582 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-06 10:07:26,585 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-06 10:07:26,586 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-06 10:07:26,587 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-06 10:07:26,588 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-06 10:07:26,589 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-06 10:07:26,594 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-06 10:07:26,596 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-06 10:07:26,596 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-06 10:07:26,597 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-06 10:07:26,598 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-06 10:07:26,599 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-06 10:07:26,599 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-06 10:07:26,600 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-06 10:07:26,601 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-06 10:07:26,601 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-06 10:07:26,602 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-06 10:07:26,602 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-06 10:07:26,603 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-06 10:07:26,603 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-06 10:07:26,603 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-06 10:07:26,604 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-06 10:07:26,613 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-06 10:07:26,614 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-07-06 10:07:26,636 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-06 10:07:26,636 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-06 10:07:26,637 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-06 10:07:26,637 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-06 10:07:26,637 INFO L138 SettingsManager]: * Use SBE=true [2021-07-06 10:07:26,637 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-06 10:07:26,637 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-06 10:07:26,637 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-07-06 10:07:26,638 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-06 10:07:26,638 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-06 10:07:26,638 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-06 10:07:26,638 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-07-06 10:07:26,638 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-07-06 10:07:26,638 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-07-06 10:07:26,638 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-06 10:07:26,638 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-07-06 10:07:26,639 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-07-06 10:07:26,639 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-07-06 10:07:26,639 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-06 10:07:26,639 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-06 10:07:26,639 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-06 10:07:26,639 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-06 10:07:26,639 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-06 10:07:26,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-06 10:07:26,640 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-06 10:07:26,640 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-06 10:07:26,640 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-07-06 10:07:26,640 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-07-06 10:07:26,640 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-06 10:07:26,640 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-06 10:07:26,641 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bdb7b41689d384418a154f01910b0fd527032012 [2021-07-06 10:07:26,887 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-06 10:07:26,902 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-06 10:07:26,906 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-06 10:07:26,907 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-06 10:07:26,908 INFO L275 PluginConnector]: CDTParser initialized [2021-07-06 10:07:26,909 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext-properties/test-0019_1-1.i [2021-07-06 10:07:26,961 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/146eb154a/01d8331985584016a0b1d8047b233053/FLAG544326bba [2021-07-06 10:07:27,397 INFO L306 CDTParser]: Found 1 translation units. [2021-07-06 10:07:27,400 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext-properties/test-0019_1-1.i [2021-07-06 10:07:27,410 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/146eb154a/01d8331985584016a0b1d8047b233053/FLAG544326bba [2021-07-06 10:07:27,419 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/146eb154a/01d8331985584016a0b1d8047b233053 [2021-07-06 10:07:27,421 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-06 10:07:27,422 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-06 10:07:27,423 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-06 10:07:27,424 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-06 10:07:27,426 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-06 10:07:27,426 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 10:07:27" (1/1) ... [2021-07-06 10:07:27,427 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2860c8fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 10:07:27, skipping insertion in model container [2021-07-06 10:07:27,427 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 10:07:27" (1/1) ... [2021-07-06 10:07:27,432 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-06 10:07:27,455 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-06 10:07:27,650 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 10:07:27,661 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-07-06 10:07:27,667 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-06 10:07:27,685 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 10:07:27,692 INFO L203 MainTranslator]: Completed pre-run [2021-07-06 10:07:27,712 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 10:07:27,763 INFO L208 MainTranslator]: Completed translation [2021-07-06 10:07:27,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 10:07:27 WrapperNode [2021-07-06 10:07:27,766 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-06 10:07:27,767 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-06 10:07:27,767 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-06 10:07:27,768 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-06 10:07:27,775 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 10:07:27" (1/1) ... [2021-07-06 10:07:27,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 10:07:27" (1/1) ... [2021-07-06 10:07:27,787 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 10:07:27" (1/1) ... [2021-07-06 10:07:27,787 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 10:07:27" (1/1) ... [2021-07-06 10:07:27,798 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 10:07:27" (1/1) ... [2021-07-06 10:07:27,800 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 10:07:27" (1/1) ... [2021-07-06 10:07:27,802 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 10:07:27" (1/1) ... [2021-07-06 10:07:27,808 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-06 10:07:27,809 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-06 10:07:27,809 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-06 10:07:27,809 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-06 10:07:27,809 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 10:07:27" (1/1) ... [2021-07-06 10:07:27,813 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-06 10:07:27,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 10:07:27,834 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-07-06 10:07:27,849 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-07-06 10:07:27,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-07-06 10:07:27,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-06 10:07:27,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-07-06 10:07:27,882 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-07-06 10:07:27,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-07-06 10:07:27,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-07-06 10:07:27,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-07-06 10:07:27,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-07-06 10:07:27,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-07-06 10:07:27,883 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_data [2021-07-06 10:07:27,883 INFO L138 BoogieDeclarations]: Found implementation of procedure free_data [2021-07-06 10:07:27,883 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-07-06 10:07:27,884 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-07-06 10:07:27,884 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-07-06 10:07:27,884 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-07-06 10:07:27,885 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-07-06 10:07:27,887 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-07-06 10:07:27,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-06 10:07:27,887 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-07-06 10:07:27,887 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-07-06 10:07:27,888 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-07-06 10:07:27,888 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-07-06 10:07:27,888 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-07-06 10:07:27,888 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-07-06 10:07:27,888 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-07-06 10:07:27,888 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-07-06 10:07:27,888 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-07-06 10:07:27,888 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-07-06 10:07:27,889 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-07-06 10:07:27,889 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-07-06 10:07:27,889 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-07-06 10:07:27,889 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-07-06 10:07:27,889 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-07-06 10:07:27,889 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-07-06 10:07:27,889 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-07-06 10:07:27,889 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-07-06 10:07:27,890 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-07-06 10:07:27,890 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-07-06 10:07:27,890 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-07-06 10:07:27,890 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-07-06 10:07:27,890 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-07-06 10:07:27,890 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-07-06 10:07:27,890 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-07-06 10:07:27,890 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-07-06 10:07:27,891 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-07-06 10:07:27,891 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-07-06 10:07:27,891 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-07-06 10:07:27,891 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-07-06 10:07:27,891 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-07-06 10:07:27,891 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-07-06 10:07:27,891 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-07-06 10:07:27,892 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-07-06 10:07:27,892 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-07-06 10:07:27,892 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-07-06 10:07:27,892 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-07-06 10:07:27,892 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-07-06 10:07:27,892 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-07-06 10:07:27,892 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-07-06 10:07:27,892 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-07-06 10:07:27,893 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-07-06 10:07:27,893 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-07-06 10:07:27,893 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-07-06 10:07:27,893 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-07-06 10:07:27,893 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-07-06 10:07:27,894 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-07-06 10:07:27,894 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-07-06 10:07:27,894 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-07-06 10:07:27,895 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-07-06 10:07:27,895 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-07-06 10:07:27,895 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-07-06 10:07:27,895 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-07-06 10:07:27,895 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-07-06 10:07:27,896 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-07-06 10:07:27,896 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-07-06 10:07:27,896 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-07-06 10:07:27,896 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-07-06 10:07:27,896 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-07-06 10:07:27,897 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-07-06 10:07:27,897 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-07-06 10:07:27,897 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-07-06 10:07:27,897 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-07-06 10:07:27,897 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-07-06 10:07:27,897 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-07-06 10:07:27,897 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-07-06 10:07:27,897 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-07-06 10:07:27,898 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-07-06 10:07:27,898 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-07-06 10:07:27,898 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-07-06 10:07:27,898 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-07-06 10:07:27,898 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-07-06 10:07:27,898 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-07-06 10:07:27,898 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-07-06 10:07:27,899 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-07-06 10:07:27,899 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-07-06 10:07:27,899 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-07-06 10:07:27,899 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-07-06 10:07:27,899 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-07-06 10:07:27,899 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-07-06 10:07:27,899 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-07-06 10:07:27,899 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-07-06 10:07:27,899 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-07-06 10:07:27,899 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-07-06 10:07:27,900 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-07-06 10:07:27,900 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-07-06 10:07:27,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-07-06 10:07:27,900 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-07-06 10:07:27,900 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-07-06 10:07:27,900 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-07-06 10:07:27,900 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-07-06 10:07:27,900 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-07-06 10:07:27,901 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-07-06 10:07:27,901 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-07-06 10:07:27,901 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-07-06 10:07:27,901 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-07-06 10:07:27,901 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-07-06 10:07:27,901 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-07-06 10:07:27,901 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-07-06 10:07:27,901 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-07-06 10:07:27,901 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-07-06 10:07:27,901 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-07-06 10:07:27,901 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-07-06 10:07:27,902 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-07-06 10:07:27,902 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-07-06 10:07:27,902 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-07-06 10:07:27,902 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_data [2021-07-06 10:07:27,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-07-06 10:07:27,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-07-06 10:07:27,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-07-06 10:07:27,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-07-06 10:07:27,905 INFO L130 BoogieDeclarations]: Found specification of procedure free_data [2021-07-06 10:07:27,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-07-06 10:07:27,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-06 10:07:27,906 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-07-06 10:07:27,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-07-06 10:07:27,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-07-06 10:07:27,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-06 10:07:27,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-07-06 10:07:27,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-07-06 10:07:27,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-07-06 10:07:28,425 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-06 10:07:28,426 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-06 10:07:28,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 10:07:28 BoogieIcfgContainer [2021-07-06 10:07:28,428 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-06 10:07:28,430 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-06 10:07:28,430 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-06 10:07:28,432 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-06 10:07:28,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.07 10:07:27" (1/3) ... [2021-07-06 10:07:28,432 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6da80c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.07 10:07:28, skipping insertion in model container [2021-07-06 10:07:28,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 10:07:27" (2/3) ... [2021-07-06 10:07:28,433 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6da80c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.07 10:07:28, skipping insertion in model container [2021-07-06 10:07:28,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 10:07:28" (3/3) ... [2021-07-06 10:07:28,434 INFO L111 eAbstractionObserver]: Analyzing ICFG test-0019_1-1.i [2021-07-06 10:07:28,438 INFO L198 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-06 10:07:28,439 INFO L158 ceAbstractionStarter]: Applying trace abstraction to program that has 31 error locations. [2021-07-06 10:07:28,486 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == mainErr0ENSURES_VIOLATIONMEMORY_LEAK ======== [2021-07-06 10:07:28,502 INFO L329 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-06 10:07:28,502 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-06 10:07:28,524 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 34 states have (on average 1.9411764705882353) internal successors, (66), 65 states have internal predecessors, (66), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-07-06 10:07:28,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-07-06 10:07:28,536 INFO L517 BasicCegarLoop]: Found error trace [2021-07-06 10:07:28,537 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 10:07:28,537 INFO L374 AbstractCegarLoop]: === Iteration 1 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK] === [2021-07-06 10:07:28,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 10:07:28,543 INFO L82 PathProgramCache]: Analyzing trace with hash -1090078915, now seen corresponding path program 1 times [2021-07-06 10:07:28,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-07-06 10:07:28,554 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1315180068] [2021-07-06 10:07:28,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 10:07:28,555 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-07-06 10:07:28,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-07-06 10:07:28,556 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-07-06 10:07:28,576 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-07-06 10:07:28,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 10:07:28,942 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 10:07:29,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 10:07:29,198 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 10:07:29,242 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-07-06 10:07:29,243 INFO L639 BasicCegarLoop]: Counterexample is feasible [2021-07-06 10:07:29,258 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-07-06 10:07:29,445 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-07-06 10:07:29,446 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-06 10:07:29,449 INFO L303 ceAbstractionStarter]: Result for error location mainErr0ENSURES_VIOLATIONMEMORY_LEAK was UNSAFE (1/31) [2021-07-06 10:07:29,461 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2021-07-06 10:07:29,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.07 10:07:29 BoogieIcfgContainer [2021-07-06 10:07:29,480 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-06 10:07:29,481 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-06 10:07:29,481 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-06 10:07:29,481 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-06 10:07:29,482 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 10:07:28" (3/4) ... [2021-07-06 10:07:29,483 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-07-06 10:07:29,484 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-06 10:07:29,485 INFO L168 Benchmark]: Toolchain (without parser) took 2061.89 ms. Allocated memory was 56.6 MB in the beginning and 83.9 MB in the end (delta: 27.3 MB). Free memory was 34.4 MB in the beginning and 51.9 MB in the end (delta: -17.5 MB). Peak memory consumption was 10.4 MB. Max. memory is 16.1 GB. [2021-07-06 10:07:29,485 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 56.6 MB. Free memory is still 38.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 10:07:29,486 INFO L168 Benchmark]: CACSL2BoogieTranslator took 342.88 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 34.2 MB in the beginning and 50.2 MB in the end (delta: -16.0 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. [2021-07-06 10:07:29,486 INFO L168 Benchmark]: Boogie Preprocessor took 41.31 ms. Allocated memory is still 69.2 MB. Free memory was 50.2 MB in the beginning and 47.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-07-06 10:07:29,487 INFO L168 Benchmark]: RCFGBuilder took 619.00 ms. Allocated memory is still 69.2 MB. Free memory was 47.1 MB in the beginning and 39.7 MB in the end (delta: 7.4 MB). Peak memory consumption was 21.1 MB. Max. memory is 16.1 GB. [2021-07-06 10:07:29,487 INFO L168 Benchmark]: TraceAbstraction took 1050.84 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 39.3 MB in the beginning and 52.4 MB in the end (delta: -13.1 MB). Peak memory consumption was 3.0 MB. Max. memory is 16.1 GB. [2021-07-06 10:07:29,487 INFO L168 Benchmark]: Witness Printer took 2.72 ms. Allocated memory is still 83.9 MB. Free memory was 52.4 MB in the beginning and 51.9 MB in the end (delta: 542.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 10:07:29,489 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 56.6 MB. Free memory is still 38.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 342.88 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 34.2 MB in the beginning and 50.2 MB in the end (delta: -16.0 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 41.31 ms. Allocated memory is still 69.2 MB. Free memory was 50.2 MB in the beginning and 47.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 619.00 ms. Allocated memory is still 69.2 MB. Free memory was 47.1 MB in the beginning and 39.7 MB in the end (delta: 7.4 MB). Peak memory consumption was 21.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1050.84 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 39.3 MB in the beginning and 52.4 MB in the end (delta: -13.1 MB). Peak memory consumption was 3.0 MB. Max. memory is 16.1 GB. * Witness Printer took 2.72 ms. Allocated memory is still 83.9 MB. Free memory was 52.4 MB in the beginning and 51.9 MB in the end (delta: 542.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 545]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 545. Possible FailurePath: [L546] TData data; VAL [data={536870943:0}] [L547] CALL alloc_data(&data) VAL [pdata={536870943:0}] [L529] pdata->lo = (int *)malloc(sizeof(int)) VAL [malloc(sizeof(int))={1:0}, pdata={536870943:0}, pdata={536870943:0}] [L530] pdata->hi = (int *)malloc(sizeof(int)) VAL [malloc(sizeof(int))={536870912:0}, malloc(sizeof(int))={1:0}, pdata={536870943:0}, pdata={536870943:0}] [L531] EXPR pdata->lo VAL [malloc(sizeof(int))={536870912:0}, malloc(sizeof(int))={1:0}, pdata={536870943:0}, pdata={536870943:0}, pdata->lo={1:0}] [L531] *(pdata->lo) = 4 VAL [malloc(sizeof(int))={536870912:0}, malloc(sizeof(int))={1:0}, pdata={536870943:0}, pdata={536870943:0}, pdata->lo={1:0}] [L532] EXPR pdata->hi VAL [malloc(sizeof(int))={536870912:0}, malloc(sizeof(int))={1:0}, pdata={536870943:0}, pdata={536870943:0}, pdata->hi={536870912:0}] [L532] *(pdata->hi) = 8 VAL [malloc(sizeof(int))={536870912:0}, malloc(sizeof(int))={1:0}, pdata={536870943:0}, pdata={536870943:0}, pdata->hi={536870912:0}] [L547] RET alloc_data(&data) VAL [data={536870943:0}] [L548] CALL free_data(&data) VAL [data={536870943:0}] [L536] EXPR data->lo VAL [data={536870943:0}, data={536870943:0}, data->lo={1:0}] [L536] int *lo = data->lo; [L537] EXPR data->hi VAL [data={536870943:0}, data={536870943:0}, data->hi={536870912:0}, lo={1:0}] [L537] int *hi = data->hi; [L538] EXPR \read(*lo) VAL [\read(*lo)=4, data={536870943:0}, data={536870943:0}, hi={536870912:0}, lo={1:0}] [L538] EXPR \read(*hi) VAL [\read(*hi)=8, \read(*lo)=4, data={536870943:0}, data={536870943:0}, hi={536870912:0}, lo={1:0}] [L538] COND FALSE !(*lo >= *hi) [L542] data->lo = ((void *)0) VAL [data={536870943:0}, data={536870943:0}, hi={536870912:0}, lo={1:0}] [L543] data->hi = ((void *)0) VAL [data={536870943:0}, data={536870943:0}, hi={536870912:0}, lo={1:0}] [L548] RET free_data(&data) VAL [data={536870943:0}] [L549] return 0; [L549] return 0; VAL [\result=0] - StatisticsResult: Ultimate Automizer benchmark data for error location: mainErr0ENSURES_VIOLATIONMEMORY_LEAK CFG has 12 procedures, 98 locations, 31 error locations. Started 1 CEGAR loops. OverallTime: 965.7ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 14.2ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 19.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 30.5ms SsaConstructionTime, 240.4ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-07-06 10:07:29,514 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...