./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/array-memsafety/insertionsort-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.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/insertionsort-alloca-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c42e17875debafbb946353bbf5dda6a0b0ba9b37 ............................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.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/insertionsort-alloca-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c42e17875debafbb946353bbf5dda6a0b0ba9b37 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 05:49:30,981 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 05:49:30,987 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 05:49:31,022 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 05:49:31,023 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 05:49:31,033 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 05:49:31,034 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 05:49:31,038 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 05:49:31,041 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 05:49:31,044 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 05:49:31,046 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 05:49:31,049 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 05:49:31,049 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 05:49:31,053 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 05:49:31,055 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 05:49:31,057 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 05:49:31,059 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 05:49:31,062 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 05:49:31,065 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 05:49:31,070 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 05:49:31,084 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 05:49:31,088 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 05:49:31,090 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 05:49:31,091 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 05:49:31,093 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 05:49:31,100 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 05:49:31,100 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 05:49:31,101 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 05:49:31,102 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 05:49:31,103 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 05:49:31,103 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 05:49:31,103 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 05:49:31,107 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 05:49:31,108 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 05:49:31,109 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 05:49:31,109 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 05:49:31,110 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 05:49:31,111 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 05:49:31,111 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 05:49:31,112 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 05:49:31,113 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 05:49:31,114 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-10-20 05:49:31,158 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 05:49:31,158 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 05:49:31,159 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 05:49:31,160 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 05:49:31,160 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 05:49:31,160 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 05:49:31,160 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 05:49:31,161 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 05:49:31,161 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 05:49:31,161 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 05:49:31,161 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 05:49:31,161 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 05:49:31,162 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 05:49:31,162 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 05:49:31,162 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 05:49:31,162 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 05:49:31,162 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 05:49:31,162 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 05:49:31,163 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 05:49:31,163 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 05:49:31,163 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 05:49:31,163 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 05:49:31,163 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 05:49:31,164 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 05:49:31,164 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 05:49:31,164 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 05:49:31,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 05:49:31,164 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 05:49:31,165 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 -> c42e17875debafbb946353bbf5dda6a0b0ba9b37 [2020-10-20 05:49:31,362 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 05:49:31,381 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 05:49:31,388 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 05:49:31,390 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 05:49:31,390 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 05:49:31,391 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/insertionsort-alloca-1.i [2020-10-20 05:49:31,482 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/436920efa/a76b9eea5f254b2cb74324c9f52b501d/FLAGeccd2ca1c [2020-10-20 05:49:32,002 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 05:49:32,003 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/insertionsort-alloca-1.i [2020-10-20 05:49:32,022 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/436920efa/a76b9eea5f254b2cb74324c9f52b501d/FLAGeccd2ca1c [2020-10-20 05:49:32,314 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/436920efa/a76b9eea5f254b2cb74324c9f52b501d [2020-10-20 05:49:32,317 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 05:49:32,323 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 05:49:32,324 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 05:49:32,324 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 05:49:32,328 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 05:49:32,329 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:49:32" (1/1) ... [2020-10-20 05:49:32,332 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36ceb0d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:49:32, skipping insertion in model container [2020-10-20 05:49:32,332 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:49:32" (1/1) ... [2020-10-20 05:49:32,341 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 05:49:32,404 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 05:49:32,856 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 05:49:32,869 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) [2020-10-20 05:49:32,870 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@f9e280b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:49:32, skipping insertion in model container [2020-10-20 05:49:32,870 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 05:49:32,871 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-20 05:49:32,874 INFO L168 Benchmark]: Toolchain (without parser) took 554.06 ms. Allocated memory was 36.7 MB in the beginning and 45.1 MB in the end (delta: 8.4 MB). Free memory was 16.1 MB in the beginning and 25.7 MB in the end (delta: -9.6 MB). Peak memory consumption was 12.4 MB. Max. memory is 14.3 GB. [2020-10-20 05:49:32,876 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 34.1 MB. Free memory was 9.8 MB in the beginning and 9.8 MB in the end (delta: 46.0 kB). Peak memory consumption was 46.0 kB. Max. memory is 14.3 GB. [2020-10-20 05:49:32,877 INFO L168 Benchmark]: CACSL2BoogieTranslator took 547.28 ms. Allocated memory was 36.7 MB in the beginning and 45.1 MB in the end (delta: 8.4 MB). Free memory was 15.2 MB in the beginning and 25.7 MB in the end (delta: -10.6 MB). Peak memory consumption was 11.5 MB. Max. memory is 14.3 GB. [2020-10-20 05:49:32,880 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 34.1 MB. Free memory was 9.8 MB in the beginning and 9.8 MB in the end (delta: 46.0 kB). Peak memory consumption was 46.0 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 547.28 ms. Allocated memory was 36.7 MB in the beginning and 45.1 MB in the end (delta: 8.4 MB). Free memory was 15.2 MB in the beginning and 25.7 MB in the end (delta: -10.6 MB). Peak memory consumption was 11.5 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 528]: 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 0.1.25-9a8b2e8 [2020-10-20 05:49:34,905 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 05:49:34,908 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 05:49:34,936 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 05:49:34,937 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 05:49:34,938 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 05:49:34,940 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 05:49:34,942 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 05:49:34,943 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 05:49:34,944 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 05:49:34,946 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 05:49:34,947 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 05:49:34,947 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 05:49:34,948 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 05:49:34,950 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 05:49:34,951 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 05:49:34,952 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 05:49:34,953 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 05:49:34,955 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 05:49:34,957 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 05:49:34,958 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 05:49:34,960 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 05:49:34,961 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 05:49:34,962 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 05:49:34,964 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 05:49:34,965 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 05:49:34,965 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 05:49:34,966 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 05:49:34,967 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 05:49:34,968 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 05:49:34,968 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 05:49:34,969 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 05:49:34,970 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 05:49:34,971 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 05:49:34,972 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 05:49:34,972 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 05:49:34,973 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 05:49:34,973 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 05:49:34,973 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 05:49:34,975 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 05:49:34,975 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 05:49:34,976 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-10-20 05:49:35,025 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 05:49:35,025 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 05:49:35,027 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 05:49:35,027 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 05:49:35,030 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 05:49:35,030 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 05:49:35,031 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 05:49:35,031 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 05:49:35,031 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 05:49:35,031 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 05:49:35,031 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 05:49:35,031 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 05:49:35,032 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 05:49:35,032 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 05:49:35,032 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 05:49:35,032 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 05:49:35,032 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 05:49:35,033 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 05:49:35,033 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 05:49:35,033 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 05:49:35,035 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 05:49:35,035 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 05:49:35,035 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 05:49:35,035 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 05:49:35,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 05:49:35,036 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 05:49:35,036 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 05:49:35,037 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 05:49:35,037 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 05:49:35,037 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 05:49:35,037 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 05:49:35,037 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 -> c42e17875debafbb946353bbf5dda6a0b0ba9b37 [2020-10-20 05:49:35,274 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 05:49:35,287 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 05:49:35,291 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 05:49:35,292 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 05:49:35,293 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 05:49:35,294 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/insertionsort-alloca-1.i [2020-10-20 05:49:35,372 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4a741fdf/90cddd2f4f7747c5b2d7454bd19c5008/FLAGd205c9d03 [2020-10-20 05:49:36,039 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 05:49:36,040 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/insertionsort-alloca-1.i [2020-10-20 05:49:36,056 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4a741fdf/90cddd2f4f7747c5b2d7454bd19c5008/FLAGd205c9d03 [2020-10-20 05:49:36,212 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4a741fdf/90cddd2f4f7747c5b2d7454bd19c5008 [2020-10-20 05:49:36,218 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 05:49:36,225 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 05:49:36,227 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 05:49:36,227 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 05:49:36,231 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 05:49:36,232 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:49:36" (1/1) ... [2020-10-20 05:49:36,236 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c4668db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:49:36, skipping insertion in model container [2020-10-20 05:49:36,236 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:49:36" (1/1) ... [2020-10-20 05:49:36,245 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 05:49:36,304 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 05:49:36,684 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 05:49:36,698 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-10-20 05:49:36,706 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 05:49:36,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 05:49:36,743 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 05:49:36,795 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 05:49:36,870 INFO L208 MainTranslator]: Completed translation [2020-10-20 05:49:36,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:49:36 WrapperNode [2020-10-20 05:49:36,873 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 05:49:36,874 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 05:49:36,874 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 05:49:36,874 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 05:49:36,889 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:49:36" (1/1) ... [2020-10-20 05:49:36,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:49:36" (1/1) ... [2020-10-20 05:49:36,919 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:49:36" (1/1) ... [2020-10-20 05:49:36,919 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:49:36" (1/1) ... [2020-10-20 05:49:36,939 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:49:36" (1/1) ... [2020-10-20 05:49:36,945 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:49:36" (1/1) ... [2020-10-20 05:49:36,949 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:49:36" (1/1) ... [2020-10-20 05:49:36,957 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 05:49:36,957 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 05:49:36,958 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 05:49:36,958 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 05:49:36,959 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:49:36" (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 [2020-10-20 05:49:37,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-20 05:49:37,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 05:49:37,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2020-10-20 05:49:37,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-20 05:49:37,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-20 05:49:37,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-10-20 05:49:37,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-10-20 05:49:37,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-10-20 05:49:37,021 INFO L138 BoogieDeclarations]: Found implementation of procedure insertionSort [2020-10-20 05:49:37,021 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-20 05:49:37,021 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-20 05:49:37,021 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-20 05:49:37,022 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-20 05:49:37,022 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-20 05:49:37,022 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-20 05:49:37,022 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-20 05:49:37,022 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-20 05:49:37,022 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-20 05:49:37,022 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-20 05:49:37,023 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-20 05:49:37,023 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-20 05:49:37,023 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-20 05:49:37,023 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-20 05:49:37,023 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-20 05:49:37,023 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-20 05:49:37,023 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-20 05:49:37,024 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-20 05:49:37,024 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-20 05:49:37,024 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-10-20 05:49:37,024 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-10-20 05:49:37,024 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-10-20 05:49:37,024 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-20 05:49:37,024 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-20 05:49:37,025 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-20 05:49:37,025 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-20 05:49:37,025 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-20 05:49:37,025 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-20 05:49:37,025 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-20 05:49:37,025 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-20 05:49:37,026 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-20 05:49:37,026 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-20 05:49:37,026 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-20 05:49:37,026 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-20 05:49:37,026 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-20 05:49:37,026 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-20 05:49:37,026 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-20 05:49:37,027 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-20 05:49:37,027 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-20 05:49:37,027 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-20 05:49:37,027 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-20 05:49:37,027 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-20 05:49:37,027 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-20 05:49:37,027 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-20 05:49:37,028 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-20 05:49:37,028 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-20 05:49:37,028 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-20 05:49:37,028 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-20 05:49:37,028 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-20 05:49:37,028 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-20 05:49:37,028 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-20 05:49:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-20 05:49:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-20 05:49:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-20 05:49:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-20 05:49:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-20 05:49:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-20 05:49:37,030 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-20 05:49:37,030 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-20 05:49:37,030 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-20 05:49:37,030 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-20 05:49:37,030 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-20 05:49:37,030 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-20 05:49:37,030 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-20 05:49:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-20 05:49:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-20 05:49:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-20 05:49:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-20 05:49:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-20 05:49:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-20 05:49:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-20 05:49:37,032 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-20 05:49:37,032 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-20 05:49:37,032 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-20 05:49:37,032 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-20 05:49:37,032 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-20 05:49:37,032 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-20 05:49:37,032 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-20 05:49:37,033 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-20 05:49:37,033 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-20 05:49:37,033 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-20 05:49:37,033 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-20 05:49:37,033 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-20 05:49:37,033 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-20 05:49:37,034 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-20 05:49:37,034 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-20 05:49:37,034 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-20 05:49:37,034 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-20 05:49:37,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-20 05:49:37,034 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-20 05:49:37,034 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-20 05:49:37,035 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-20 05:49:37,035 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-20 05:49:37,035 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-20 05:49:37,035 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-20 05:49:37,035 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-20 05:49:37,035 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-20 05:49:37,035 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-20 05:49:37,041 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-20 05:49:37,042 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-20 05:49:37,042 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-20 05:49:37,042 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-20 05:49:37,042 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-20 05:49:37,042 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-20 05:49:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-20 05:49:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-20 05:49:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-20 05:49:37,044 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-20 05:49:37,044 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-20 05:49:37,044 INFO L130 BoogieDeclarations]: Found specification of procedure insertionSort [2020-10-20 05:49:37,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-20 05:49:37,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-20 05:49:37,045 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-20 05:49:37,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 05:49:37,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 05:49:37,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-20 05:49:37,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 05:49:37,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2020-10-20 05:49:37,758 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 05:49:37,758 INFO L298 CfgBuilder]: Removed 3 assume(true) statements. [2020-10-20 05:49:37,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:49:37 BoogieIcfgContainer [2020-10-20 05:49:37,761 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 05:49:37,762 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 05:49:37,762 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 05:49:37,765 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 05:49:37,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 05:49:36" (1/3) ... [2020-10-20 05:49:37,766 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a8ad3a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 05:49:37, skipping insertion in model container [2020-10-20 05:49:37,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:49:36" (2/3) ... [2020-10-20 05:49:37,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a8ad3a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 05:49:37, skipping insertion in model container [2020-10-20 05:49:37,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:49:37" (3/3) ... [2020-10-20 05:49:37,769 INFO L111 eAbstractionObserver]: Analyzing ICFG insertionsort-alloca-1.i [2020-10-20 05:49:37,791 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 05:49:37,799 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2020-10-20 05:49:37,812 INFO L253 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2020-10-20 05:49:37,831 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 05:49:37,831 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-20 05:49:37,831 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 05:49:37,831 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 05:49:37,832 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 05:49:37,832 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 05:49:37,832 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 05:49:37,832 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 05:49:37,848 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states. [2020-10-20 05:49:37,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-20 05:49:37,859 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 05:49:37,860 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 05:49:37,860 INFO L429 AbstractCegarLoop]: === Iteration 1 === [insertionSortErr0REQUIRES_VIOLATION, insertionSortErr5REQUIRES_VIOLATION, insertionSortErr7REQUIRES_VIOLATION, insertionSortErr6REQUIRES_VIOLATION, insertionSortErr1REQUIRES_VIOLATION, insertionSortErr8REQUIRES_VIOLATION, insertionSortErr3REQUIRES_VIOLATION, insertionSortErr2REQUIRES_VIOLATION, insertionSortErr4REQUIRES_VIOLATION, insertionSortErr9REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION]=== [2020-10-20 05:49:37,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 05:49:37,867 INFO L82 PathProgramCache]: Analyzing trace with hash 283903755, now seen corresponding path program 1 times [2020-10-20 05:49:37,880 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 05:49:37,880 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [380127341] [2020-10-20 05:49:37,880 INFO L95 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 [2020-10-20 05:49:38,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 05:49:38,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-20 05:49:38,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 05:49:38,132 INFO L384 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 [2020-10-20 05:49:38,133 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 05:49:38,144 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 05:49:38,144 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 05:49:38,145 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2020-10-20 05:49:38,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 05:49:38,163 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 05:49:38,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 05:49:38,323 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [380127341] [2020-10-20 05:49:38,323 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 05:49:38,324 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2020-10-20 05:49:38,325 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458582672] [2020-10-20 05:49:38,329 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 05:49:38,330 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 05:49:38,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 05:49:38,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-20 05:49:38,355 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 6 states. [2020-10-20 05:49:39,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 05:49:39,082 INFO L93 Difference]: Finished difference Result 73 states and 81 transitions. [2020-10-20 05:49:39,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-20 05:49:39,085 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2020-10-20 05:49:39,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 05:49:39,101 INFO L225 Difference]: With dead ends: 73 [2020-10-20 05:49:39,101 INFO L226 Difference]: Without dead ends: 68 [2020-10-20 05:49:39,104 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-10-20 05:49:39,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-10-20 05:49:39,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 49. [2020-10-20 05:49:39,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-10-20 05:49:39,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 55 transitions. [2020-10-20 05:49:39,157 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 55 transitions. Word has length 10 [2020-10-20 05:49:39,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 05:49:39,157 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 55 transitions. [2020-10-20 05:49:39,158 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 05:49:39,158 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2020-10-20 05:49:39,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-20 05:49:39,159 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 05:49:39,159 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 05:49:39,380 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-20 05:49:39,380 INFO L429 AbstractCegarLoop]: === Iteration 2 === [insertionSortErr0REQUIRES_VIOLATION, insertionSortErr5REQUIRES_VIOLATION, insertionSortErr7REQUIRES_VIOLATION, insertionSortErr6REQUIRES_VIOLATION, insertionSortErr1REQUIRES_VIOLATION, insertionSortErr8REQUIRES_VIOLATION, insertionSortErr3REQUIRES_VIOLATION, insertionSortErr2REQUIRES_VIOLATION, insertionSortErr4REQUIRES_VIOLATION, insertionSortErr9REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION]=== [2020-10-20 05:49:39,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 05:49:39,381 INFO L82 PathProgramCache]: Analyzing trace with hash 283903754, now seen corresponding path program 1 times [2020-10-20 05:49:39,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 05:49:39,383 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [815819839] [2020-10-20 05:49:39,383 INFO L95 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 [2020-10-20 05:49:39,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 05:49:39,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-20 05:49:39,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 05:49:39,507 INFO L384 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 [2020-10-20 05:49:39,508 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 05:49:39,510 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 05:49:39,511 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 05:49:39,511 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-10-20 05:49:39,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 05:49:39,517 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 05:49:39,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 05:49:39,529 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [815819839] [2020-10-20 05:49:39,529 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 05:49:39,529 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-20 05:49:39,529 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15744070] [2020-10-20 05:49:39,531 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 05:49:39,532 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 05:49:39,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 05:49:39,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 05:49:39,532 INFO L87 Difference]: Start difference. First operand 49 states and 55 transitions. Second operand 3 states. [2020-10-20 05:49:39,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 05:49:39,658 INFO L93 Difference]: Finished difference Result 48 states and 53 transitions. [2020-10-20 05:49:39,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 05:49:39,658 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-10-20 05:49:39,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 05:49:39,660 INFO L225 Difference]: With dead ends: 48 [2020-10-20 05:49:39,660 INFO L226 Difference]: Without dead ends: 48 [2020-10-20 05:49:39,661 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 05:49:39,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2020-10-20 05:49:39,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2020-10-20 05:49:39,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-10-20 05:49:39,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 53 transitions. [2020-10-20 05:49:39,668 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 53 transitions. Word has length 10 [2020-10-20 05:49:39,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 05:49:39,669 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 53 transitions. [2020-10-20 05:49:39,669 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 05:49:39,669 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 53 transitions. [2020-10-20 05:49:39,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-20 05:49:39,670 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 05:49:39,670 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 05:49:39,882 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-20 05:49:39,883 INFO L429 AbstractCegarLoop]: === Iteration 3 === [insertionSortErr0REQUIRES_VIOLATION, insertionSortErr5REQUIRES_VIOLATION, insertionSortErr7REQUIRES_VIOLATION, insertionSortErr6REQUIRES_VIOLATION, insertionSortErr1REQUIRES_VIOLATION, insertionSortErr8REQUIRES_VIOLATION, insertionSortErr3REQUIRES_VIOLATION, insertionSortErr2REQUIRES_VIOLATION, insertionSortErr4REQUIRES_VIOLATION, insertionSortErr9REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION]=== [2020-10-20 05:49:39,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 05:49:39,883 INFO L82 PathProgramCache]: Analyzing trace with hash -1533473589, now seen corresponding path program 1 times [2020-10-20 05:49:39,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 05:49:39,884 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [425991723] [2020-10-20 05:49:39,884 INFO L95 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 [2020-10-20 05:49:39,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 05:49:39,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-20 05:49:39,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 05:49:39,997 INFO L384 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 [2020-10-20 05:49:39,998 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 05:49:40,000 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 05:49:40,001 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 05:49:40,002 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-10-20 05:49:40,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 05:49:40,024 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 05:49:40,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 05:49:40,043 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [425991723] [2020-10-20 05:49:40,043 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 05:49:40,044 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-10-20 05:49:40,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320882380] [2020-10-20 05:49:40,045 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 05:49:40,045 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 05:49:40,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 05:49:40,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 05:49:40,046 INFO L87 Difference]: Start difference. First operand 48 states and 53 transitions. Second operand 5 states. [2020-10-20 05:49:40,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 05:49:40,267 INFO L93 Difference]: Finished difference Result 43 states and 48 transitions. [2020-10-20 05:49:40,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 05:49:40,268 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-20 05:49:40,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 05:49:40,269 INFO L225 Difference]: With dead ends: 43 [2020-10-20 05:49:40,269 INFO L226 Difference]: Without dead ends: 43 [2020-10-20 05:49:40,270 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-20 05:49:40,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-10-20 05:49:40,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-10-20 05:49:40,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-20 05:49:40,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 48 transitions. [2020-10-20 05:49:40,276 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 48 transitions. Word has length 13 [2020-10-20 05:49:40,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 05:49:40,276 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 48 transitions. [2020-10-20 05:49:40,276 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 05:49:40,277 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2020-10-20 05:49:40,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-20 05:49:40,277 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 05:49:40,278 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 05:49:40,485 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-20 05:49:40,486 INFO L429 AbstractCegarLoop]: === Iteration 4 === [insertionSortErr0REQUIRES_VIOLATION, insertionSortErr5REQUIRES_VIOLATION, insertionSortErr7REQUIRES_VIOLATION, insertionSortErr6REQUIRES_VIOLATION, insertionSortErr1REQUIRES_VIOLATION, insertionSortErr8REQUIRES_VIOLATION, insertionSortErr3REQUIRES_VIOLATION, insertionSortErr2REQUIRES_VIOLATION, insertionSortErr4REQUIRES_VIOLATION, insertionSortErr9REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION]=== [2020-10-20 05:49:40,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 05:49:40,486 INFO L82 PathProgramCache]: Analyzing trace with hash -1533473588, now seen corresponding path program 1 times [2020-10-20 05:49:40,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 05:49:40,488 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1640718913] [2020-10-20 05:49:40,488 INFO L95 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 [2020-10-20 05:49:40,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 05:49:40,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 14 conjunts are in the unsatisfiable core [2020-10-20 05:49:40,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 05:49:40,623 INFO L384 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 8 treesize of output 7 [2020-10-20 05:49:40,624 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 05:49:40,644 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 05:49:40,645 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 05:49:40,645 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:22 [2020-10-20 05:49:40,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 05:49:40,688 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 05:49:41,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 05:49:41,117 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1640718913] [2020-10-20 05:49:41,117 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 05:49:41,117 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 6] imperfect sequences [] total 9 [2020-10-20 05:49:41,117 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409775515] [2020-10-20 05:49:41,118 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-20 05:49:41,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 05:49:41,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-20 05:49:41,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-20 05:49:41,119 INFO L87 Difference]: Start difference. First operand 43 states and 48 transitions. Second operand 9 states. [2020-10-20 05:49:41,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 05:49:41,644 INFO L93 Difference]: Finished difference Result 45 states and 49 transitions. [2020-10-20 05:49:41,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 05:49:41,646 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 13 [2020-10-20 05:49:41,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 05:49:41,647 INFO L225 Difference]: With dead ends: 45 [2020-10-20 05:49:41,647 INFO L226 Difference]: Without dead ends: 45 [2020-10-20 05:49:41,648 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-20 05:49:41,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-10-20 05:49:41,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 41. [2020-10-20 05:49:41,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-10-20 05:49:41,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2020-10-20 05:49:41,653 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 13 [2020-10-20 05:49:41,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 05:49:41,654 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions. [2020-10-20 05:49:41,654 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-20 05:49:41,654 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2020-10-20 05:49:41,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-20 05:49:41,654 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 05:49:41,655 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 05:49:41,856 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-10-20 05:49:41,856 INFO L429 AbstractCegarLoop]: === Iteration 5 === [insertionSortErr0REQUIRES_VIOLATION, insertionSortErr5REQUIRES_VIOLATION, insertionSortErr7REQUIRES_VIOLATION, insertionSortErr6REQUIRES_VIOLATION, insertionSortErr1REQUIRES_VIOLATION, insertionSortErr8REQUIRES_VIOLATION, insertionSortErr3REQUIRES_VIOLATION, insertionSortErr2REQUIRES_VIOLATION, insertionSortErr4REQUIRES_VIOLATION, insertionSortErr9REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION]=== [2020-10-20 05:49:41,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 05:49:41,857 INFO L82 PathProgramCache]: Analyzing trace with hash 505832910, now seen corresponding path program 1 times [2020-10-20 05:49:41,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 05:49:41,858 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [405319314] [2020-10-20 05:49:41,858 INFO L95 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 [2020-10-20 05:49:41,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 05:49:41,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-20 05:49:41,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 05:49:41,999 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 05:49:41,999 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 05:49:42,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [405319314] [2020-10-20 05:49:42,013 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-20 05:49:42,013 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [716070799] [2020-10-20 05:49:42,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-10-20 05:49:42,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 05:49:42,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-20 05:49:42,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 05:49:42,193 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 05:49:42,193 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 05:49:42,227 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 05:49:42,227 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-20 05:49:42,228 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-10-20 05:49:42,228 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591442952] [2020-10-20 05:49:42,228 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-20 05:49:42,228 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 05:49:42,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-20 05:49:42,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-20 05:49:42,229 INFO L87 Difference]: Start difference. First operand 41 states and 45 transitions. Second operand 8 states. [2020-10-20 05:49:42,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 05:49:42,304 INFO L93 Difference]: Finished difference Result 51 states and 55 transitions. [2020-10-20 05:49:42,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 05:49:42,306 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 14 [2020-10-20 05:49:42,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 05:49:42,307 INFO L225 Difference]: With dead ends: 51 [2020-10-20 05:49:42,307 INFO L226 Difference]: Without dead ends: 51 [2020-10-20 05:49:42,308 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-20 05:49:42,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-10-20 05:49:42,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 47. [2020-10-20 05:49:42,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-10-20 05:49:42,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 51 transitions. [2020-10-20 05:49:42,313 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 51 transitions. Word has length 14 [2020-10-20 05:49:42,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 05:49:42,313 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 51 transitions. [2020-10-20 05:49:42,313 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-20 05:49:42,313 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2020-10-20 05:49:42,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-20 05:49:42,314 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 05:49:42,314 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 05:49:42,716 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt --rewrite-divk,6 mathsat -unsat_core_generation=3 [2020-10-20 05:49:42,717 INFO L429 AbstractCegarLoop]: === Iteration 6 === [insertionSortErr0REQUIRES_VIOLATION, insertionSortErr5REQUIRES_VIOLATION, insertionSortErr7REQUIRES_VIOLATION, insertionSortErr6REQUIRES_VIOLATION, insertionSortErr1REQUIRES_VIOLATION, insertionSortErr8REQUIRES_VIOLATION, insertionSortErr3REQUIRES_VIOLATION, insertionSortErr2REQUIRES_VIOLATION, insertionSortErr4REQUIRES_VIOLATION, insertionSortErr9REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION]=== [2020-10-20 05:49:42,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 05:49:42,718 INFO L82 PathProgramCache]: Analyzing trace with hash -303513716, now seen corresponding path program 1 times [2020-10-20 05:49:42,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 05:49:42,719 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1560055923] [2020-10-20 05:49:42,719 INFO L95 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 [2020-10-20 05:49:42,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 05:49:42,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 10 conjunts are in the unsatisfiable core [2020-10-20 05:49:42,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 05:49:42,842 INFO L384 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 8 treesize of output 7 [2020-10-20 05:49:42,842 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 05:49:42,863 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 05:49:42,863 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 05:49:42,863 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:22 [2020-10-20 05:49:42,967 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 05:49:42,967 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 05:49:43,367 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 05:49:43,367 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1560055923] [2020-10-20 05:49:43,368 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-20 05:49:43,368 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2020-10-20 05:49:43,368 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963954151] [2020-10-20 05:49:43,368 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-20 05:49:43,368 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 05:49:43,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-20 05:49:43,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-20 05:49:43,369 INFO L87 Difference]: Start difference. First operand 47 states and 51 transitions. Second operand 10 states. [2020-10-20 05:49:43,740 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-10-20 05:49:44,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 05:49:44,485 INFO L93 Difference]: Finished difference Result 67 states and 74 transitions. [2020-10-20 05:49:44,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-20 05:49:44,487 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 14 [2020-10-20 05:49:44,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 05:49:44,489 INFO L225 Difference]: With dead ends: 67 [2020-10-20 05:49:44,489 INFO L226 Difference]: Without dead ends: 67 [2020-10-20 05:49:44,490 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=78, Invalid=132, Unknown=0, NotChecked=0, Total=210 [2020-10-20 05:49:44,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-10-20 05:49:44,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 59. [2020-10-20 05:49:44,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-10-20 05:49:44,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 66 transitions. [2020-10-20 05:49:44,495 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 66 transitions. Word has length 14 [2020-10-20 05:49:44,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 05:49:44,496 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 66 transitions. [2020-10-20 05:49:44,496 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-20 05:49:44,496 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 66 transitions. [2020-10-20 05:49:44,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-20 05:49:44,497 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 05:49:44,497 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 05:49:44,700 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2020-10-20 05:49:44,702 INFO L429 AbstractCegarLoop]: === Iteration 7 === [insertionSortErr0REQUIRES_VIOLATION, insertionSortErr5REQUIRES_VIOLATION, insertionSortErr7REQUIRES_VIOLATION, insertionSortErr6REQUIRES_VIOLATION, insertionSortErr1REQUIRES_VIOLATION, insertionSortErr8REQUIRES_VIOLATION, insertionSortErr3REQUIRES_VIOLATION, insertionSortErr2REQUIRES_VIOLATION, insertionSortErr4REQUIRES_VIOLATION, insertionSortErr9REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION]=== [2020-10-20 05:49:44,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 05:49:44,702 INFO L82 PathProgramCache]: Analyzing trace with hash -1771692889, now seen corresponding path program 1 times [2020-10-20 05:49:44,703 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 05:49:44,703 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1093362135] [2020-10-20 05:49:44,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2020-10-20 05:49:44,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 05:49:44,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-20 05:49:44,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 05:49:44,819 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-20 05:49:44,820 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 05:49:44,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-20 05:49:44,860 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1093362135] [2020-10-20 05:49:44,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 05:49:44,861 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-10-20 05:49:44,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912053835] [2020-10-20 05:49:44,862 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-20 05:49:44,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 05:49:44,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-20 05:49:44,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-20 05:49:44,863 INFO L87 Difference]: Start difference. First operand 59 states and 66 transitions. Second operand 8 states. [2020-10-20 05:49:44,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 05:49:44,962 INFO L93 Difference]: Finished difference Result 67 states and 73 transitions. [2020-10-20 05:49:44,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 05:49:44,963 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2020-10-20 05:49:44,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 05:49:44,965 INFO L225 Difference]: With dead ends: 67 [2020-10-20 05:49:44,965 INFO L226 Difference]: Without dead ends: 67 [2020-10-20 05:49:44,966 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-20 05:49:44,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-10-20 05:49:44,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 64. [2020-10-20 05:49:44,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2020-10-20 05:49:44,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 71 transitions. [2020-10-20 05:49:44,973 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 71 transitions. Word has length 17 [2020-10-20 05:49:44,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 05:49:44,974 INFO L481 AbstractCegarLoop]: Abstraction has 64 states and 71 transitions. [2020-10-20 05:49:44,974 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-20 05:49:44,974 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 71 transitions. [2020-10-20 05:49:44,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-20 05:49:44,975 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 05:49:44,975 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 05:49:45,189 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2020-10-20 05:49:45,190 INFO L429 AbstractCegarLoop]: === Iteration 8 === [insertionSortErr0REQUIRES_VIOLATION, insertionSortErr5REQUIRES_VIOLATION, insertionSortErr7REQUIRES_VIOLATION, insertionSortErr6REQUIRES_VIOLATION, insertionSortErr1REQUIRES_VIOLATION, insertionSortErr8REQUIRES_VIOLATION, insertionSortErr3REQUIRES_VIOLATION, insertionSortErr2REQUIRES_VIOLATION, insertionSortErr4REQUIRES_VIOLATION, insertionSortErr9REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION]=== [2020-10-20 05:49:45,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 05:49:45,190 INFO L82 PathProgramCache]: Analyzing trace with hash -1070628311, now seen corresponding path program 1 times [2020-10-20 05:49:45,190 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 05:49:45,191 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [847870565] [2020-10-20 05:49:45,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2020-10-20 05:49:45,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 05:49:45,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 15 conjunts are in the unsatisfiable core [2020-10-20 05:49:45,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 05:49:45,309 INFO L384 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 8 treesize of output 7 [2020-10-20 05:49:45,310 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 05:49:45,328 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 05:49:45,328 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 05:49:45,329 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2020-10-20 05:49:45,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-20 05:49:45,477 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 05:49:45,979 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-20 05:49:45,979 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [847870565] [2020-10-20 05:49:45,979 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 05:49:45,979 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 11 [2020-10-20 05:49:45,980 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704819425] [2020-10-20 05:49:45,980 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-20 05:49:45,980 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 05:49:45,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-20 05:49:45,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-10-20 05:49:45,981 INFO L87 Difference]: Start difference. First operand 64 states and 71 transitions. Second operand 12 states. [2020-10-20 05:49:47,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 05:49:47,290 INFO L93 Difference]: Finished difference Result 86 states and 97 transitions. [2020-10-20 05:49:47,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-20 05:49:47,291 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 17 [2020-10-20 05:49:47,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 05:49:47,294 INFO L225 Difference]: With dead ends: 86 [2020-10-20 05:49:47,294 INFO L226 Difference]: Without dead ends: 86 [2020-10-20 05:49:47,295 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2020-10-20 05:49:47,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-10-20 05:49:47,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 80. [2020-10-20 05:49:47,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-10-20 05:49:47,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 95 transitions. [2020-10-20 05:49:47,303 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 95 transitions. Word has length 17 [2020-10-20 05:49:47,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 05:49:47,304 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 95 transitions. [2020-10-20 05:49:47,304 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-20 05:49:47,304 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 95 transitions. [2020-10-20 05:49:47,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-20 05:49:47,305 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 05:49:47,305 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 05:49:47,509 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2020-10-20 05:49:47,510 INFO L429 AbstractCegarLoop]: === Iteration 9 === [insertionSortErr0REQUIRES_VIOLATION, insertionSortErr5REQUIRES_VIOLATION, insertionSortErr7REQUIRES_VIOLATION, insertionSortErr6REQUIRES_VIOLATION, insertionSortErr1REQUIRES_VIOLATION, insertionSortErr8REQUIRES_VIOLATION, insertionSortErr3REQUIRES_VIOLATION, insertionSortErr2REQUIRES_VIOLATION, insertionSortErr4REQUIRES_VIOLATION, insertionSortErr9REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION]=== [2020-10-20 05:49:47,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 05:49:47,510 INFO L82 PathProgramCache]: Analyzing trace with hash 349735848, now seen corresponding path program 1 times [2020-10-20 05:49:47,511 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 05:49:47,512 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [59156449] [2020-10-20 05:49:47,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2020-10-20 05:49:47,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 05:49:47,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-20 05:49:47,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 05:49:47,616 INFO L384 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 [2020-10-20 05:49:47,616 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 05:49:47,624 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 05:49:47,624 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 05:49:47,624 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-10-20 05:49:47,680 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 05:49:47,680 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 39 [2020-10-20 05:49:47,681 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 05:49:47,698 INFO L625 ElimStorePlain]: treesize reduction 10, result has 60.0 percent of original size [2020-10-20 05:49:47,700 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 05:49:47,704 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 05:49:47,705 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2020-10-20 05:49:47,706 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 05:49:47,725 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 05:49:47,739 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 05:49:47,760 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 05:49:47,777 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 05:49:47,799 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-20 05:49:47,799 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 05:49:49,878 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-20 05:49:49,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [59156449] [2020-10-20 05:49:49,879 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 05:49:49,879 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 8 [2020-10-20 05:49:49,879 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214133874] [2020-10-20 05:49:49,880 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-20 05:49:49,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 05:49:49,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-20 05:49:49,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=50, Unknown=1, NotChecked=0, Total=72 [2020-10-20 05:49:49,881 INFO L87 Difference]: Start difference. First operand 80 states and 95 transitions. Second operand 9 states. [2020-10-20 05:49:50,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 05:49:50,133 INFO L93 Difference]: Finished difference Result 79 states and 94 transitions. [2020-10-20 05:49:50,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-20 05:49:50,134 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 20 [2020-10-20 05:49:50,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 05:49:50,135 INFO L225 Difference]: With dead ends: 79 [2020-10-20 05:49:50,135 INFO L226 Difference]: Without dead ends: 64 [2020-10-20 05:49:50,135 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 28 SyntacticMatches, 5 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=34, Invalid=75, Unknown=1, NotChecked=0, Total=110 [2020-10-20 05:49:50,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-10-20 05:49:50,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2020-10-20 05:49:50,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2020-10-20 05:49:50,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 76 transitions. [2020-10-20 05:49:50,146 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 76 transitions. Word has length 20 [2020-10-20 05:49:50,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 05:49:50,146 INFO L481 AbstractCegarLoop]: Abstraction has 64 states and 76 transitions. [2020-10-20 05:49:50,146 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-20 05:49:50,147 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 76 transitions. [2020-10-20 05:49:50,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-20 05:49:50,147 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 05:49:50,147 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 05:49:50,349 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2020-10-20 05:49:50,350 INFO L429 AbstractCegarLoop]: === Iteration 10 === [insertionSortErr0REQUIRES_VIOLATION, insertionSortErr5REQUIRES_VIOLATION, insertionSortErr7REQUIRES_VIOLATION, insertionSortErr6REQUIRES_VIOLATION, insertionSortErr1REQUIRES_VIOLATION, insertionSortErr8REQUIRES_VIOLATION, insertionSortErr3REQUIRES_VIOLATION, insertionSortErr2REQUIRES_VIOLATION, insertionSortErr4REQUIRES_VIOLATION, insertionSortErr9REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION]=== [2020-10-20 05:49:50,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 05:49:50,350 INFO L82 PathProgramCache]: Analyzing trace with hash 988119118, now seen corresponding path program 1 times [2020-10-20 05:49:50,351 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 05:49:50,351 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1254265151] [2020-10-20 05:49:50,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2020-10-20 05:49:50,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 05:49:50,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 14 conjunts are in the unsatisfiable core [2020-10-20 05:49:50,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 05:49:50,469 INFO L384 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 8 treesize of output 7 [2020-10-20 05:49:50,470 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 05:49:50,488 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 05:49:50,490 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 05:49:50,492 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:20, output treesize:19 [2020-10-20 05:49:50,556 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1254265151] [2020-10-20 05:49:50,557 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-20 05:49:50,557 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1918450018] [2020-10-20 05:49:50,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-10-20 05:49:50,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 05:49:50,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-20 05:49:50,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 05:49:50,896 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 05:49:50,896 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 05:49:51,072 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 05:49:51,073 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-20 05:49:51,073 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2020-10-20 05:49:51,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440048862] [2020-10-20 05:49:51,074 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-20 05:49:51,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 05:49:51,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-20 05:49:51,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-10-20 05:49:51,075 INFO L87 Difference]: Start difference. First operand 64 states and 76 transitions. Second operand 13 states. [2020-10-20 05:49:51,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 05:49:51,370 INFO L93 Difference]: Finished difference Result 67 states and 78 transitions. [2020-10-20 05:49:51,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 05:49:51,371 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 21 [2020-10-20 05:49:51,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 05:49:51,372 INFO L225 Difference]: With dead ends: 67 [2020-10-20 05:49:51,372 INFO L226 Difference]: Without dead ends: 64 [2020-10-20 05:49:51,372 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2020-10-20 05:49:51,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-10-20 05:49:51,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2020-10-20 05:49:51,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2020-10-20 05:49:51,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 75 transitions. [2020-10-20 05:49:51,377 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 75 transitions. Word has length 21 [2020-10-20 05:49:51,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 05:49:51,378 INFO L481 AbstractCegarLoop]: Abstraction has 64 states and 75 transitions. [2020-10-20 05:49:51,378 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-20 05:49:51,378 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 75 transitions. [2020-10-20 05:49:51,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-20 05:49:51,379 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 05:49:51,379 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 05:49:51,782 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 cvc4 --incremental --print-success --lang smt --rewrite-divk,12 mathsat -unsat_core_generation=3 [2020-10-20 05:49:51,783 INFO L429 AbstractCegarLoop]: === Iteration 11 === [insertionSortErr0REQUIRES_VIOLATION, insertionSortErr5REQUIRES_VIOLATION, insertionSortErr7REQUIRES_VIOLATION, insertionSortErr6REQUIRES_VIOLATION, insertionSortErr1REQUIRES_VIOLATION, insertionSortErr8REQUIRES_VIOLATION, insertionSortErr3REQUIRES_VIOLATION, insertionSortErr2REQUIRES_VIOLATION, insertionSortErr4REQUIRES_VIOLATION, insertionSortErr9REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION]=== [2020-10-20 05:49:51,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 05:49:51,784 INFO L82 PathProgramCache]: Analyzing trace with hash -2079110997, now seen corresponding path program 2 times [2020-10-20 05:49:51,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 05:49:51,785 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [55357986] [2020-10-20 05:49:51,785 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 14 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with mathsat -unsat_core_generation=3 [2020-10-20 05:49:51,868 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2020-10-20 05:49:51,868 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-20 05:49:51,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 14 conjunts are in the unsatisfiable core [2020-10-20 05:49:51,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 05:49:51,900 INFO L384 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 8 treesize of output 7 [2020-10-20 05:49:51,900 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 05:49:51,919 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 05:49:51,921 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 05:49:51,922 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:20, output treesize:19 [2020-10-20 05:49:51,969 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [55357986] [2020-10-20 05:49:51,970 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-20 05:49:51,970 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1558107323] [2020-10-20 05:49:51,970 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 15 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-10-20 05:49:52,165 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2020-10-20 05:49:52,165 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-20 05:49:52,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 14 conjunts are in the unsatisfiable core [2020-10-20 05:49:52,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 05:49:52,181 INFO L384 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 8 treesize of output 7 [2020-10-20 05:49:52,181 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 05:49:52,196 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 05:49:52,198 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 05:49:52,198 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:20, output treesize:19 [2020-10-20 05:49:52,227 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-20 05:49:52,227 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [861971963] [2020-10-20 05:49:52,227 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 05:49:52,317 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2020-10-20 05:49:52,317 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-20 05:49:52,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 14 conjunts are in the unsatisfiable core [2020-10-20 05:49:52,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 05:49:52,330 INFO L384 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 8 treesize of output 7 [2020-10-20 05:49:52,330 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 05:49:52,352 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 05:49:52,354 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 05:49:52,355 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:20, output treesize:19 [2020-10-20 05:49:52,394 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-20 05:49:52,395 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2020-10-20 05:49:52,395 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2020-10-20 05:49:52,400 ERROR L205 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2020-10-20 05:49:52,401 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 05:49:53,020 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,14 mathsat -unsat_core_generation=3,15 cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-10-20 05:49:53,034 WARN L238 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-10-20 05:49:53,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 05:49:53 BoogieIcfgContainer [2020-10-20 05:49:53,034 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 05:49:53,035 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 05:49:53,035 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 05:49:53,035 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 05:49:53,036 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:49:37" (3/4) ... [2020-10-20 05:49:53,039 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 05:49:53,039 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 05:49:53,041 INFO L168 Benchmark]: Toolchain (without parser) took 16821.79 ms. Allocated memory was 41.4 MB in the beginning and 72.4 MB in the end (delta: 30.9 MB). Free memory was 20.3 MB in the beginning and 25.9 MB in the end (delta: -5.5 MB). Peak memory consumption was 25.4 MB. Max. memory is 14.3 GB. [2020-10-20 05:49:53,041 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 31.5 MB. Free memory was 10.4 MB in the beginning and 10.4 MB in the end (delta: 47.4 kB). Peak memory consumption was 47.4 kB. Max. memory is 14.3 GB. [2020-10-20 05:49:53,042 INFO L168 Benchmark]: CACSL2BoogieTranslator took 646.54 ms. Allocated memory was 41.4 MB in the beginning and 43.5 MB in the end (delta: 2.1 MB). Free memory was 19.5 MB in the beginning and 23.2 MB in the end (delta: -3.7 MB). Peak memory consumption was 10.6 MB. Max. memory is 14.3 GB. [2020-10-20 05:49:53,043 INFO L168 Benchmark]: Boogie Preprocessor took 83.29 ms. Allocated memory is still 43.5 MB. Free memory was 23.2 MB in the beginning and 20.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 14.3 GB. [2020-10-20 05:49:53,043 INFO L168 Benchmark]: RCFGBuilder took 803.37 ms. Allocated memory was 43.5 MB in the beginning and 46.1 MB in the end (delta: 2.6 MB). Free memory was 20.2 MB in the beginning and 11.0 MB in the end (delta: 9.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 14.3 GB. [2020-10-20 05:49:53,044 INFO L168 Benchmark]: TraceAbstraction took 15272.78 ms. Allocated memory was 46.1 MB in the beginning and 72.4 MB in the end (delta: 26.2 MB). Free memory was 10.6 MB in the beginning and 25.9 MB in the end (delta: -15.2 MB). Peak memory consumption was 11.0 MB. Max. memory is 14.3 GB. [2020-10-20 05:49:53,045 INFO L168 Benchmark]: Witness Printer took 4.44 ms. Allocated memory is still 72.4 MB. Free memory is still 25.9 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 05:49:53,050 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 31.5 MB. Free memory was 10.4 MB in the beginning and 10.4 MB in the end (delta: 47.4 kB). Peak memory consumption was 47.4 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 646.54 ms. Allocated memory was 41.4 MB in the beginning and 43.5 MB in the end (delta: 2.1 MB). Free memory was 19.5 MB in the beginning and 23.2 MB in the end (delta: -3.7 MB). Peak memory consumption was 10.6 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 83.29 ms. Allocated memory is still 43.5 MB. Free memory was 23.2 MB in the beginning and 20.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 14.3 GB. * RCFGBuilder took 803.37 ms. Allocated memory was 43.5 MB in the beginning and 46.1 MB in the end (delta: 2.6 MB). Free memory was 20.2 MB in the beginning and 11.0 MB in the end (delta: 9.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 14.3 GB. * TraceAbstraction took 15272.78 ms. Allocated memory was 46.1 MB in the beginning and 72.4 MB in the end (delta: 26.2 MB). Free memory was 10.6 MB in the beginning and 25.9 MB in the end (delta: -15.2 MB). Peak memory consumption was 11.0 MB. Max. memory is 14.3 GB. * Witness Printer took 4.44 ms. Allocated memory is still 72.4 MB. Free memory is still 25.9 MB. There was no memory consumed. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 518]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L524] int array_size = __VERIFIER_nondet_int(); [L525] COND FALSE !(array_size < 1 || array_size >= 2147483647 / sizeof(int)) [L528] int* a = (int*) __builtin_alloca (array_size * sizeof(int)); [L530] int i = 0; [L530] COND TRUE i < array_size [L532] a[i] = __VERIFIER_nondet_int() [L530] i++ [L530] COND TRUE i < array_size [L532] a[i] = __VERIFIER_nondet_int() [L530] i++ [L530] COND FALSE !(i < array_size) [L535] CALL insertionSort(a, array_size) [L514] int i, j, index; [L515] i = 1 [L515] COND TRUE i < array_size [L517] EXPR a[i] [L517] index = a[i] [L518] j = i [L518] j > 0 && a[j-1] > index [L518] a[j-1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 69 locations, 13 error locations. Started 1 CEGAR loops. VerificationResult: UNKNOWN, OverallTime: 15.1s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 4.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 356 SDtfs, 521 SDslu, 949 SDs, 0 SdLazy, 611 SolverSat, 88 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 338 GetRequests, 246 SyntacticMatches, 7 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 5.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=80occurred in iteration=8, 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, 10 MinimizatonAttempts, 44 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.8s InterpolantComputationTime, 149 NumberOfCodeBlocks, 149 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 278 ConstructedInterpolants, 9 QuantifiedInterpolants, 27443 SizeOfPredicates, 37 NumberOfNonLiveVariables, 511 ConjunctsInSsa, 79 ConjunctsInUnsatCore, 20 InterpolantComputations, 14 PerfectInterpolantSequences, 8/16 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...