./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/array-memsafety-realloc/array-realloc-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 30f4e4ab 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/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/array-memsafety-realloc/array-realloc-3.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 c5e00b9cd3876aa8df4263099f6b8339445d38f8 ............................................................................................................................ 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/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/array-memsafety-realloc/array-realloc-3.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 c5e00b9cd3876aa8df4263099f6b8339445d38f8 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 02:33:43,520 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 02:33:43,523 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 02:33:43,541 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 02:33:43,542 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 02:33:43,544 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 02:33:43,546 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 02:33:43,555 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 02:33:43,560 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 02:33:43,564 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 02:33:43,565 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 02:33:43,567 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 02:33:43,568 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 02:33:43,570 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 02:33:43,572 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 02:33:43,573 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 02:33:43,575 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 02:33:43,576 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 02:33:43,579 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 02:33:43,583 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 02:33:43,587 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 02:33:43,592 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 02:33:43,593 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 02:33:43,595 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 02:33:43,597 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 02:33:43,598 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 02:33:43,598 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 02:33:43,600 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 02:33:43,600 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 02:33:43,601 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 02:33:43,602 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 02:33:43,603 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 02:33:43,603 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 02:33:43,604 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 02:33:43,606 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 02:33:43,606 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 02:33:43,607 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 02:33:43,608 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 02:33:43,608 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 02:33:43,609 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 02:33:43,610 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 02:33:43,611 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-28 02:33:43,644 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 02:33:43,644 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 02:33:43,645 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 02:33:43,645 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 02:33:43,650 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 02:33:43,651 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 02:33:43,651 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 02:33:43,651 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 02:33:43,651 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 02:33:43,652 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 02:33:43,652 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 02:33:43,652 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 02:33:43,652 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 02:33:43,653 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 02:33:43,653 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 02:33:43,653 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 02:33:43,653 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 02:33:43,653 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 02:33:43,654 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 02:33:43,654 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 02:33:43,654 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 02:33:43,654 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 02:33:43,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 02:33:43,655 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 02:33:43,655 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 02:33:43,655 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 02:33:43,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 02:33:43,656 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 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 -> c5e00b9cd3876aa8df4263099f6b8339445d38f8 [2019-11-28 02:33:43,972 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 02:33:43,992 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 02:33:43,996 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 02:33:43,997 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 02:33:43,998 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 02:33:43,999 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety-realloc/array-realloc-3.i [2019-11-28 02:33:44,075 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f480ff29/9b5028c1b295428385af3a33e48df014/FLAGa0738ab8b [2019-11-28 02:33:44,625 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 02:33:44,626 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety-realloc/array-realloc-3.i [2019-11-28 02:33:44,640 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f480ff29/9b5028c1b295428385af3a33e48df014/FLAGa0738ab8b [2019-11-28 02:33:44,930 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f480ff29/9b5028c1b295428385af3a33e48df014 [2019-11-28 02:33:44,934 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 02:33:44,936 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 02:33:44,938 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 02:33:44,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 02:33:44,942 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 02:33:44,943 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:33:44" (1/1) ... [2019-11-28 02:33:44,947 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24791d24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:33:44, skipping insertion in model container [2019-11-28 02:33:44,947 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:33:44" (1/1) ... [2019-11-28 02:33:44,955 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 02:33:45,017 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 02:33:45,454 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:33:45,473 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) [2019-11-28 02:33:45,474 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@228ae28b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:33:45, skipping insertion in model container [2019-11-28 02:33:45,474 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 02:33:45,475 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-28 02:33:45,479 INFO L168 Benchmark]: Toolchain (without parser) took 540.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -177.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-28 02:33:45,480 INFO L168 Benchmark]: CDTParser took 0.98 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:33:45,483 INFO L168 Benchmark]: CACSL2BoogieTranslator took 536.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -177.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-28 02:33:45,485 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.98 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 536.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -177.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 515]: 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 0.1.24-30f4e4a [2019-11-28 02:33:47,310 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 02:33:47,314 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 02:33:47,332 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 02:33:47,333 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 02:33:47,335 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 02:33:47,338 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 02:33:47,347 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 02:33:47,352 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 02:33:47,356 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 02:33:47,359 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 02:33:47,361 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 02:33:47,361 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 02:33:47,364 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 02:33:47,365 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 02:33:47,367 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 02:33:47,369 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 02:33:47,369 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 02:33:47,373 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 02:33:47,378 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 02:33:47,383 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 02:33:47,388 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 02:33:47,389 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 02:33:47,390 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 02:33:47,393 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 02:33:47,393 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 02:33:47,393 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 02:33:47,394 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 02:33:47,395 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 02:33:47,396 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 02:33:47,396 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 02:33:47,397 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 02:33:47,398 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 02:33:47,399 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 02:33:47,400 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 02:33:47,400 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 02:33:47,401 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 02:33:47,401 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 02:33:47,402 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 02:33:47,403 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 02:33:47,403 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 02:33:47,404 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-28 02:33:47,419 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 02:33:47,420 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 02:33:47,421 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 02:33:47,421 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 02:33:47,422 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 02:33:47,422 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 02:33:47,422 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 02:33:47,423 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 02:33:47,423 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 02:33:47,423 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 02:33:47,424 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 02:33:47,424 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 02:33:47,424 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 02:33:47,424 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 02:33:47,425 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 02:33:47,425 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 02:33:47,425 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 02:33:47,426 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 02:33:47,426 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 02:33:47,426 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 02:33:47,426 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 02:33:47,427 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 02:33:47,427 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 02:33:47,427 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 02:33:47,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 02:33:47,428 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 02:33:47,428 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 02:33:47,429 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 02:33:47,429 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 02:33:47,429 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 02:33:47,429 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 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 -> c5e00b9cd3876aa8df4263099f6b8339445d38f8 [2019-11-28 02:33:47,733 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 02:33:47,747 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 02:33:47,751 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 02:33:47,752 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 02:33:47,753 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 02:33:47,754 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety-realloc/array-realloc-3.i [2019-11-28 02:33:47,818 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab66cb343/30f5eaa71c3e4b20adc2324e027e5274/FLAGc2e60715d [2019-11-28 02:33:48,387 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 02:33:48,389 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety-realloc/array-realloc-3.i [2019-11-28 02:33:48,401 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab66cb343/30f5eaa71c3e4b20adc2324e027e5274/FLAGc2e60715d [2019-11-28 02:33:48,670 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab66cb343/30f5eaa71c3e4b20adc2324e027e5274 [2019-11-28 02:33:48,673 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 02:33:48,674 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 02:33:48,675 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 02:33:48,676 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 02:33:48,679 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 02:33:48,680 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:33:48" (1/1) ... [2019-11-28 02:33:48,683 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d8897c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:33:48, skipping insertion in model container [2019-11-28 02:33:48,684 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:33:48" (1/1) ... [2019-11-28 02:33:48,692 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 02:33:48,739 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 02:33:49,130 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:33:49,148 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-28 02:33:49,162 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 02:33:49,202 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:33:49,209 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 02:33:49,261 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:33:49,319 INFO L208 MainTranslator]: Completed translation [2019-11-28 02:33:49,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:33:49 WrapperNode [2019-11-28 02:33:49,320 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 02:33:49,321 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 02:33:49,321 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 02:33:49,321 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 02:33:49,334 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:33:49" (1/1) ... [2019-11-28 02:33:49,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:33:49" (1/1) ... [2019-11-28 02:33:49,353 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:33:49" (1/1) ... [2019-11-28 02:33:49,353 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:33:49" (1/1) ... [2019-11-28 02:33:49,370 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:33:49" (1/1) ... [2019-11-28 02:33:49,376 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:33:49" (1/1) ... [2019-11-28 02:33:49,379 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:33:49" (1/1) ... [2019-11-28 02:33:49,386 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 02:33:49,387 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 02:33:49,387 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 02:33:49,387 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 02:33:49,388 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:33:49" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 02:33:49,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-28 02:33:49,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 02:33:49,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-28 02:33:49,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-28 02:33:49,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-28 02:33:49,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-28 02:33:49,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-28 02:33:49,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-28 02:33:49,448 INFO L138 BoogieDeclarations]: Found implementation of procedure expandArray [2019-11-28 02:33:49,448 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-28 02:33:49,448 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc [2019-11-28 02:33:49,448 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-28 02:33:49,448 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-28 02:33:49,449 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-28 02:33:49,449 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-28 02:33:49,449 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-28 02:33:49,449 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-28 02:33:49,449 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-28 02:33:49,450 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-28 02:33:49,450 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-28 02:33:49,450 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-28 02:33:49,450 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-28 02:33:49,450 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-28 02:33:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-28 02:33:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-28 02:33:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-28 02:33:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-28 02:33:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-28 02:33:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-28 02:33:49,452 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-28 02:33:49,452 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-28 02:33:49,452 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-28 02:33:49,452 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-28 02:33:49,452 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-28 02:33:49,453 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-28 02:33:49,453 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-28 02:33:49,453 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-28 02:33:49,453 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-28 02:33:49,453 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-28 02:33:49,454 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-28 02:33:49,454 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-28 02:33:49,454 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-28 02:33:49,454 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-28 02:33:49,454 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-28 02:33:49,455 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-28 02:33:49,455 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-28 02:33:49,455 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-28 02:33:49,455 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-28 02:33:49,455 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-28 02:33:49,455 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-28 02:33:49,456 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-28 02:33:49,456 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-28 02:33:49,456 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-28 02:33:49,456 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-28 02:33:49,456 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-28 02:33:49,457 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-28 02:33:49,457 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-28 02:33:49,457 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-28 02:33:49,457 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-28 02:33:49,457 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-28 02:33:49,458 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-28 02:33:49,458 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-28 02:33:49,458 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-28 02:33:49,458 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-28 02:33:49,458 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-28 02:33:49,458 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-28 02:33:49,459 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-28 02:33:49,459 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-28 02:33:49,459 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-28 02:33:49,459 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-28 02:33:49,459 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-28 02:33:49,459 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-28 02:33:49,460 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-28 02:33:49,460 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-28 02:33:49,460 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-28 02:33:49,460 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-28 02:33:49,460 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-28 02:33:49,460 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-28 02:33:49,460 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-28 02:33:49,461 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-28 02:33:49,461 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-28 02:33:49,461 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-28 02:33:49,461 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-28 02:33:49,461 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-28 02:33:49,461 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-28 02:33:49,461 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-28 02:33:49,462 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-28 02:33:49,462 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-28 02:33:49,462 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-28 02:33:49,462 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-28 02:33:49,462 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-28 02:33:49,462 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-28 02:33:49,463 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-28 02:33:49,463 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-28 02:33:49,463 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-28 02:33:49,463 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-28 02:33:49,463 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-28 02:33:49,463 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-28 02:33:49,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-28 02:33:49,464 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-28 02:33:49,464 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-28 02:33:49,464 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-28 02:33:49,464 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-28 02:33:49,464 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-28 02:33:49,464 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-28 02:33:49,465 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-28 02:33:49,465 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-28 02:33:49,465 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-28 02:33:49,465 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-28 02:33:49,465 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-28 02:33:49,465 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-28 02:33:49,465 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-28 02:33:49,466 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-28 02:33:49,466 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-28 02:33:49,466 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-28 02:33:49,466 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-28 02:33:49,466 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-28 02:33:49,466 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-28 02:33:49,467 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-28 02:33:49,467 INFO L130 BoogieDeclarations]: Found specification of procedure expandArray [2019-11-28 02:33:49,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc [2019-11-28 02:33:49,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 02:33:49,467 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-28 02:33:49,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 02:33:49,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-28 02:33:49,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 02:33:49,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-28 02:33:49,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 02:33:49,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 02:33:50,015 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 02:33:50,016 INFO L297 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-28 02:33:50,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:33:50 BoogieIcfgContainer [2019-11-28 02:33:50,017 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 02:33:50,019 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 02:33:50,020 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 02:33:50,023 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 02:33:50,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:33:48" (1/3) ... [2019-11-28 02:33:50,025 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67627c95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:33:50, skipping insertion in model container [2019-11-28 02:33:50,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:33:49" (2/3) ... [2019-11-28 02:33:50,035 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67627c95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:33:50, skipping insertion in model container [2019-11-28 02:33:50,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:33:50" (3/3) ... [2019-11-28 02:33:50,039 INFO L109 eAbstractionObserver]: Analyzing ICFG array-realloc-3.i [2019-11-28 02:33:50,050 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 02:33:50,058 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 02:33:50,072 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 02:33:50,096 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 02:33:50,097 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-28 02:33:50,097 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 02:33:50,097 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 02:33:50,097 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 02:33:50,097 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 02:33:50,098 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 02:33:50,098 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 02:33:50,119 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2019-11-28 02:33:50,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-28 02:33:50,128 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:33:50,129 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:33:50,131 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, expandArrayErr1REQUIRES_VIOLATION, expandArrayErr0REQUIRES_VIOLATION]=== [2019-11-28 02:33:50,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:33:50,139 INFO L82 PathProgramCache]: Analyzing trace with hash 451943323, now seen corresponding path program 1 times [2019-11-28 02:33:50,152 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:33:50,153 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [981945013] [2019-11-28 02:33:50,154 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-28 02:33:50,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:33:50,329 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 02:33:50,336 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:33:50,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:33:50,370 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:33:50,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:33:50,384 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [981945013] [2019-11-28 02:33:50,384 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:33:50,385 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-28 02:33:50,386 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875590810] [2019-11-28 02:33:50,391 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 02:33:50,391 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 02:33:50,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 02:33:50,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 02:33:50,410 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 3 states. [2019-11-28 02:33:50,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:33:50,501 INFO L93 Difference]: Finished difference Result 35 states and 40 transitions. [2019-11-28 02:33:50,502 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 02:33:50,503 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-11-28 02:33:50,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:33:50,514 INFO L225 Difference]: With dead ends: 35 [2019-11-28 02:33:50,515 INFO L226 Difference]: Without dead ends: 31 [2019-11-28 02:33:50,517 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 02:33:50,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-11-28 02:33:50,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 26. [2019-11-28 02:33:50,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-11-28 02:33:50,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 28 transitions. [2019-11-28 02:33:50,566 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 28 transitions. Word has length 8 [2019-11-28 02:33:50,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:33:50,567 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 28 transitions. [2019-11-28 02:33:50,567 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 02:33:50,567 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2019-11-28 02:33:50,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-28 02:33:50,568 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:33:50,568 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:33:50,769 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-28 02:33:50,769 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, expandArrayErr1REQUIRES_VIOLATION, expandArrayErr0REQUIRES_VIOLATION]=== [2019-11-28 02:33:50,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:33:50,770 INFO L82 PathProgramCache]: Analyzing trace with hash 1125341978, now seen corresponding path program 1 times [2019-11-28 02:33:50,770 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:33:50,770 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1126657792] [2019-11-28 02:33:50,771 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-28 02:33:50,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:33:50,896 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-28 02:33:50,898 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:33:50,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:33:50,911 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:33:50,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:33:50,924 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1126657792] [2019-11-28 02:33:50,924 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:33:50,924 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-11-28 02:33:50,926 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305914625] [2019-11-28 02:33:50,927 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 02:33:50,929 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 02:33:50,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 02:33:50,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 02:33:50,931 INFO L87 Difference]: Start difference. First operand 26 states and 28 transitions. Second operand 3 states. [2019-11-28 02:33:50,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:33:50,939 INFO L93 Difference]: Finished difference Result 26 states and 27 transitions. [2019-11-28 02:33:50,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 02:33:50,940 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2019-11-28 02:33:50,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:33:50,941 INFO L225 Difference]: With dead ends: 26 [2019-11-28 02:33:50,942 INFO L226 Difference]: Without dead ends: 26 [2019-11-28 02:33:50,943 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 02:33:50,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-11-28 02:33:50,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2019-11-28 02:33:50,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-11-28 02:33:50,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2019-11-28 02:33:50,959 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 9 [2019-11-28 02:33:50,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:33:50,960 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2019-11-28 02:33:50,960 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 02:33:50,961 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2019-11-28 02:33:50,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-28 02:33:50,962 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:33:50,962 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:33:51,169 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-28 02:33:51,169 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, expandArrayErr1REQUIRES_VIOLATION, expandArrayErr0REQUIRES_VIOLATION]=== [2019-11-28 02:33:51,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:33:51,170 INFO L82 PathProgramCache]: Analyzing trace with hash -285526799, now seen corresponding path program 1 times [2019-11-28 02:33:51,171 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:33:51,171 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1882732917] [2019-11-28 02:33:51,171 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-28 02:33:51,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:33:51,308 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-28 02:33:51,310 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:33:51,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:33:51,392 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:33:51,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:33:51,513 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1882732917] [2019-11-28 02:33:51,513 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:33:51,514 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-11-28 02:33:51,514 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645780385] [2019-11-28 02:33:51,514 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-28 02:33:51,515 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 02:33:51,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-28 02:33:51,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2019-11-28 02:33:51,516 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand 10 states. [2019-11-28 02:33:51,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:33:51,654 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2019-11-28 02:33:51,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 02:33:51,655 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 16 [2019-11-28 02:33:51,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:33:51,656 INFO L225 Difference]: With dead ends: 27 [2019-11-28 02:33:51,657 INFO L226 Difference]: Without dead ends: 27 [2019-11-28 02:33:51,657 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2019-11-28 02:33:51,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-11-28 02:33:51,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-11-28 02:33:51,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-11-28 02:33:51,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2019-11-28 02:33:51,662 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 16 [2019-11-28 02:33:51,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:33:51,663 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2019-11-28 02:33:51,663 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-28 02:33:51,663 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2019-11-28 02:33:51,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-28 02:33:51,664 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:33:51,664 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:33:51,874 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-28 02:33:51,875 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, expandArrayErr1REQUIRES_VIOLATION, expandArrayErr0REQUIRES_VIOLATION]=== [2019-11-28 02:33:51,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:33:51,876 INFO L82 PathProgramCache]: Analyzing trace with hash 1792130560, now seen corresponding path program 1 times [2019-11-28 02:33:51,877 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:33:51,878 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [916363746] [2019-11-28 02:33:51,878 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-11-28 02:33:52,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:33:52,023 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-28 02:33:52,026 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:33:52,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:33:52,063 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:33:52,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:33:52,097 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [916363746] [2019-11-28 02:33:52,097 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:33:52,097 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2019-11-28 02:33:52,097 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276229580] [2019-11-28 02:33:52,098 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 02:33:52,098 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 02:33:52,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 02:33:52,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 02:33:52,099 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand 6 states. [2019-11-28 02:33:52,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:33:52,162 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2019-11-28 02:33:52,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 02:33:52,163 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2019-11-28 02:33:52,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:33:52,164 INFO L225 Difference]: With dead ends: 35 [2019-11-28 02:33:52,164 INFO L226 Difference]: Without dead ends: 35 [2019-11-28 02:33:52,165 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-28 02:33:52,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-11-28 02:33:52,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 30. [2019-11-28 02:33:52,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-28 02:33:52,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 32 transitions. [2019-11-28 02:33:52,176 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 32 transitions. Word has length 17 [2019-11-28 02:33:52,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:33:52,177 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 32 transitions. [2019-11-28 02:33:52,177 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 02:33:52,177 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2019-11-28 02:33:52,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-28 02:33:52,179 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:33:52,180 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:33:52,383 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-28 02:33:52,384 INFO L410 AbstractCegarLoop]: === Iteration 5 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, expandArrayErr1REQUIRES_VIOLATION, expandArrayErr0REQUIRES_VIOLATION]=== [2019-11-28 02:33:52,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:33:52,384 INFO L82 PathProgramCache]: Analyzing trace with hash 1793054081, now seen corresponding path program 1 times [2019-11-28 02:33:52,385 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:33:52,386 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [149135054] [2019-11-28 02:33:52,386 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-11-28 02:33:52,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:33:52,507 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 02:33:52,509 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:33:52,570 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:33:52,571 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 25 [2019-11-28 02:33:52,572 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 02:33:52,595 INFO L588 ElimStorePlain]: treesize reduction 10, result has 60.0 percent of original size [2019-11-28 02:33:52,596 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 02:33:52,596 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:9, output treesize:5 [2019-11-28 02:33:52,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:33:52,625 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:33:52,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:33:52,662 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [149135054] [2019-11-28 02:33:52,662 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:33:52,663 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-28 02:33:52,663 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258429025] [2019-11-28 02:33:52,663 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 02:33:52,663 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 02:33:52,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 02:33:52,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 02:33:52,664 INFO L87 Difference]: Start difference. First operand 30 states and 32 transitions. Second operand 5 states. [2019-11-28 02:33:52,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:33:52,753 INFO L93 Difference]: Finished difference Result 29 states and 31 transitions. [2019-11-28 02:33:52,755 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 02:33:52,756 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2019-11-28 02:33:52,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:33:52,757 INFO L225 Difference]: With dead ends: 29 [2019-11-28 02:33:52,757 INFO L226 Difference]: Without dead ends: 29 [2019-11-28 02:33:52,757 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 02:33:52,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-11-28 02:33:52,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-11-28 02:33:52,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-11-28 02:33:52,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2019-11-28 02:33:52,763 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 17 [2019-11-28 02:33:52,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:33:52,763 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2019-11-28 02:33:52,763 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 02:33:52,764 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2019-11-28 02:33:52,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-28 02:33:52,764 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:33:52,765 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:33:52,975 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-28 02:33:52,976 INFO L410 AbstractCegarLoop]: === Iteration 6 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, expandArrayErr1REQUIRES_VIOLATION, expandArrayErr0REQUIRES_VIOLATION]=== [2019-11-28 02:33:52,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:33:52,976 INFO L82 PathProgramCache]: Analyzing trace with hash 1793054082, now seen corresponding path program 1 times [2019-11-28 02:33:52,977 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:33:52,977 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1383931593] [2019-11-28 02:33:52,978 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-11-28 02:33:53,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:33:53,134 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-28 02:33:53,137 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:33:53,178 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-28 02:33:53,178 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 02:33:53,188 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:33:53,188 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 02:33:53,188 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-11-28 02:33:53,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:33:53,248 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:33:53,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:33:53,764 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1383931593] [2019-11-28 02:33:53,764 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:33:53,765 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 11 [2019-11-28 02:33:53,766 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881201] [2019-11-28 02:33:53,767 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-28 02:33:53,767 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 02:33:53,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-28 02:33:53,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2019-11-28 02:33:53,770 INFO L87 Difference]: Start difference. First operand 29 states and 31 transitions. Second operand 12 states. [2019-11-28 02:33:54,172 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2019-11-28 02:33:54,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:33:54,953 INFO L93 Difference]: Finished difference Result 76 states and 79 transitions. [2019-11-28 02:33:54,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-11-28 02:33:54,954 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 17 [2019-11-28 02:33:54,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:33:54,956 INFO L225 Difference]: With dead ends: 76 [2019-11-28 02:33:54,956 INFO L226 Difference]: Without dead ends: 74 [2019-11-28 02:33:54,957 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=84, Invalid=258, Unknown=0, NotChecked=0, Total=342 [2019-11-28 02:33:54,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2019-11-28 02:33:54,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 48. [2019-11-28 02:33:54,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2019-11-28 02:33:54,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 53 transitions. [2019-11-28 02:33:54,964 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 53 transitions. Word has length 17 [2019-11-28 02:33:54,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:33:54,965 INFO L462 AbstractCegarLoop]: Abstraction has 48 states and 53 transitions. [2019-11-28 02:33:54,965 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-28 02:33:54,965 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 53 transitions. [2019-11-28 02:33:54,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 02:33:54,966 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:33:54,966 INFO L410 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] [2019-11-28 02:33:55,166 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-11-28 02:33:55,167 INFO L410 AbstractCegarLoop]: === Iteration 7 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, expandArrayErr1REQUIRES_VIOLATION, expandArrayErr0REQUIRES_VIOLATION]=== [2019-11-28 02:33:55,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:33:55,168 INFO L82 PathProgramCache]: Analyzing trace with hash 494948438, now seen corresponding path program 1 times [2019-11-28 02:33:55,168 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:33:55,169 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1797516546] [2019-11-28 02:33:55,169 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2019-11-28 02:33:55,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:33:55,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:33:55,400 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-11-28 02:33:55,401 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 02:33:55,612 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-11-28 02:33:55,641 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-11-28 02:33:55,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:33:55 BoogieIcfgContainer [2019-11-28 02:33:55,662 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 02:33:55,662 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 02:33:55,662 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 02:33:55,663 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 02:33:55,663 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:33:50" (3/4) ... [2019-11-28 02:33:55,669 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 02:33:55,670 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 02:33:55,671 INFO L168 Benchmark]: Toolchain (without parser) took 6996.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 196.1 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -103.1 MB). Peak memory consumption was 93.0 MB. Max. memory is 11.5 GB. [2019-11-28 02:33:55,673 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:33:55,674 INFO L168 Benchmark]: CACSL2BoogieTranslator took 645.15 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -141.4 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2019-11-28 02:33:55,675 INFO L168 Benchmark]: Boogie Preprocessor took 65.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 02:33:55,679 INFO L168 Benchmark]: RCFGBuilder took 631.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 45.1 MB). Peak memory consumption was 45.1 MB. Max. memory is 11.5 GB. [2019-11-28 02:33:55,680 INFO L168 Benchmark]: TraceAbstraction took 5642.70 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 78.1 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -18.9 MB). Peak memory consumption was 59.2 MB. Max. memory is 11.5 GB. [2019-11-28 02:33:55,680 INFO L168 Benchmark]: Witness Printer took 7.35 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:33:55,688 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 645.15 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -141.4 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 65.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 631.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 45.1 MB). Peak memory consumption was 45.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5642.70 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 78.1 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -18.9 MB). Peak memory consumption was 59.2 MB. Max. memory is 11.5 GB. * Witness Printer took 7.35 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 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: - UnprovableResult [Line: 525]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 525. Possible FailurePath: [L512] int num; [L513] int ind, newsize, i = 1; VAL [\old(i)=5, \old(ind)=6, \old(newsize)=7, \old(num)=9, i=1, ind=0, newsize=0, num=0] [L526] num = __VERIFIER_nondet_int() [L527] COND FALSE !(!(num > 0 && num < 100)) [L530] int *a = (int *)malloc(sizeof(int)); VAL [\old(argc)=11, \old(newsize)=0, \old(num)=0, a={1:0}, argc=11, argv={13:12}, argv={13:12}, i=1, ind=0, malloc(sizeof(int))={1:0}, newsize=0, num=1] [L531] COND FALSE !(a == ((void *)0)) [L534] newsize = 0 VAL [\old(argc)=11, \old(newsize)=0, \old(num)=0, a={1:0}, argc=11, argv={13:12}, argv={13:12}, i=1, ind=0, malloc(sizeof(int))={1:0}, newsize=0, num=1] [L535] CALL expandArray(a) VAL [\old(newsize)=0, \old(num)=0, arg={1:0}, i=1, ind=0, newsize=0, num=1] [L515] int *a = (int *)arg; VAL [\old(newsize)=0, \old(num)=0, a={1:0}, arg={1:0}, arg={1:0}, i=1, ind=0, newsize=0, num=1] [L516] COND TRUE newsize < num [L517] newsize = newsize + 1 [L518] int *b = ((void *)0); VAL [\old(newsize)=0, \old(num)=0, a={1:0}, arg={1:0}, arg={1:0}, b={0:0}, i=1, ind=0, newsize=1, num=1] [L519] EXPR, FCALL realloc(a, sizeof(int) * newsize) VAL [\old(newsize)=0, \old(num)=0, a={1:0}, arg={1:0}, arg={1:0}, b={0:0}, i=1, ind=0, newsize=1, num=1, realloc(a, sizeof(int) * newsize)={1:0}] [L519] b = realloc(a, sizeof(int) * newsize) [L520] b[newsize - 1] = i VAL [\old(newsize)=0, \old(num)=0, a={1:0}, arg={1:0}, arg={1:0}, b={1:0}, i=1, ind=0, newsize=1, num=1] [L521] a = b VAL [\old(newsize)=0, \old(num)=0, a={1:0}, arg={1:0}, arg={1:0}, b={1:0}, i=1, ind=0, newsize=1, num=1] [L516] COND FALSE !(newsize < num) VAL [\old(newsize)=0, \old(num)=0, a={1:0}, arg={1:0}, arg={1:0}, b={1:0}, i=1, ind=0, newsize=1, num=1] [L523] return 0; VAL [\old(newsize)=0, \old(num)=0, \result={0:0}, a={1:0}, arg={1:0}, arg={1:0}, b={1:0}, i=1, ind=0, newsize=1, num=1] [L535] RET expandArray(a) VAL [\old(argc)=11, \old(newsize)=0, \old(num)=0, a={1:0}, argc=11, argv={13:12}, argv={13:12}, expandArray(a)={0:0}, i=1, ind=0, malloc(sizeof(int))={1:0}, newsize=1, num=1] [L536] return 0; VAL [\old(argc)=11, \old(newsize)=0, \old(num)=0, \result=0, a={1:0}, argc=11, argv={13:12}, argv={13:12}, i=1, ind=0, malloc(sizeof(int))={1:0}, newsize=1, num=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 50 locations, 3 error locations. Result: UNSAFE, OverallTime: 5.5s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 145 SDtfs, 162 SDslu, 231 SDs, 0 SdLazy, 194 SolverSat, 55 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 172 GetRequests, 135 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 36 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 156 ConstructedInterpolants, 0 QuantifiedInterpolants, 8405 SizeOfPredicates, 10 NumberOfNonLiveVariables, 492 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: 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 Received shutdown request...