./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 906a4fb5 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/array-memsafety/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 -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/array-memsafety/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 0.1.25-906a4fb [2020-10-19 17:56:40,098 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 17:56:40,101 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 17:56:40,125 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 17:56:40,126 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 17:56:40,127 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 17:56:40,129 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 17:56:40,131 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 17:56:40,133 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 17:56:40,134 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 17:56:40,135 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 17:56:40,136 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 17:56:40,136 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 17:56:40,138 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 17:56:40,139 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 17:56:40,140 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 17:56:40,141 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 17:56:40,142 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 17:56:40,144 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 17:56:40,146 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 17:56:40,150 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 17:56:40,151 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 17:56:40,152 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 17:56:40,153 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 17:56:40,162 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 17:56:40,163 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 17:56:40,163 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 17:56:40,164 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 17:56:40,165 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 17:56:40,166 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 17:56:40,166 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 17:56:40,167 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 17:56:40,168 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 17:56:40,169 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 17:56:40,170 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 17:56:40,170 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 17:56:40,171 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 17:56:40,171 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 17:56:40,172 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 17:56:40,173 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 17:56:40,174 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 17:56:40,175 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-10-19 17:56:40,199 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 17:56:40,200 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 17:56:40,201 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 17:56:40,201 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 17:56:40,202 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 17:56:40,202 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 17:56:40,202 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 17:56:40,203 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 17:56:40,203 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 17:56:40,203 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 17:56:40,203 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 17:56:40,204 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-19 17:56:40,204 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-19 17:56:40,204 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-19 17:56:40,204 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 17:56:40,205 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-19 17:56:40,205 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 17:56:40,205 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 17:56:40,206 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 17:56:40,206 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 17:56:40,206 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 17:56:40,206 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 17:56:40,207 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 17:56:40,207 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 17:56:40,207 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 17:56:40,208 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 17:56:40,208 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 17:56:40,208 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 17:56:40,208 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 [2020-10-19 17:56:40,546 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 17:56:40,565 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 17:56:40,572 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 17:56:40,575 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 17:56:40,576 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 17:56:40,578 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/insertionsort-alloca-1.i [2020-10-19 17:56:40,638 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d681fba13/86df8f0daa2245bf941ae8f53db79ac8/FLAG0b9753636 [2020-10-19 17:56:41,167 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 17:56:41,168 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/insertionsort-alloca-1.i [2020-10-19 17:56:41,184 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d681fba13/86df8f0daa2245bf941ae8f53db79ac8/FLAG0b9753636 [2020-10-19 17:56:41,483 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d681fba13/86df8f0daa2245bf941ae8f53db79ac8 [2020-10-19 17:56:41,486 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 17:56:41,493 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-19 17:56:41,494 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 17:56:41,494 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 17:56:41,498 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 17:56:41,499 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 05:56:41" (1/1) ... [2020-10-19 17:56:41,502 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f067e3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:56:41, skipping insertion in model container [2020-10-19 17:56:41,502 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 05:56:41" (1/1) ... [2020-10-19 17:56:41,510 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 17:56:41,568 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 17:56:41,933 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 17:56:41,946 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) [2020-10-19 17:56:41,947 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6ed3fb62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:56:41, skipping insertion in model container [2020-10-19 17:56:41,947 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 17:56:41,948 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-19 17:56:41,952 INFO L168 Benchmark]: Toolchain (without parser) took 462.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 957.3 MB in the beginning and 1.1 GB in the end (delta: -168.7 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2020-10-19 17:56:41,953 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 17:56:41,954 INFO L168 Benchmark]: CACSL2BoogieTranslator took 453.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 951.9 MB in the beginning and 1.1 GB in the end (delta: -174.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2020-10-19 17:56:41,956 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 453.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 951.9 MB in the beginning and 1.1 GB in the end (delta: -174.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 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 0.1.25-906a4fb [2020-10-19 17:56:43,785 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 17:56:43,788 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 17:56:43,816 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 17:56:43,817 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 17:56:43,820 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 17:56:43,829 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 17:56:43,830 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 17:56:43,833 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 17:56:43,835 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 17:56:43,836 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 17:56:43,838 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 17:56:43,840 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 17:56:43,843 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 17:56:43,846 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 17:56:43,848 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 17:56:43,849 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 17:56:43,853 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 17:56:43,855 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 17:56:43,858 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 17:56:43,863 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 17:56:43,865 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 17:56:43,868 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 17:56:43,869 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 17:56:43,882 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 17:56:43,883 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 17:56:43,884 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 17:56:43,885 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 17:56:43,887 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 17:56:43,888 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 17:56:43,889 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 17:56:43,890 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 17:56:43,891 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 17:56:43,892 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 17:56:43,893 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 17:56:43,894 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 17:56:43,895 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 17:56:43,895 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 17:56:43,896 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 17:56:43,897 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 17:56:43,899 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 17:56:43,900 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-10-19 17:56:43,951 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 17:56:43,953 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 17:56:43,956 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 17:56:43,957 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 17:56:43,957 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 17:56:43,957 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 17:56:43,957 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 17:56:43,958 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 17:56:43,958 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 17:56:43,958 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 17:56:43,959 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 17:56:43,960 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-19 17:56:43,960 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-19 17:56:43,961 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-19 17:56:43,961 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 17:56:43,961 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-19 17:56:43,962 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-19 17:56:43,962 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-19 17:56:43,962 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 17:56:43,963 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 17:56:43,964 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 17:56:43,965 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 17:56:43,966 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 17:56:43,968 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 17:56:43,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 17:56:43,968 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 17:56:43,969 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 17:56:43,969 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-19 17:56:43,969 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-19 17:56:43,969 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 17:56:43,970 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-19 17:56:43,970 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 [2020-10-19 17:56:44,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 17:56:44,315 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 17:56:44,319 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 17:56:44,320 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 17:56:44,321 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 17:56:44,322 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/insertionsort-alloca-1.i [2020-10-19 17:56:44,385 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15fff7876/dc6ca5af27454a99995c83c6f082ce7f/FLAGdece4c23a [2020-10-19 17:56:44,917 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 17:56:44,918 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/insertionsort-alloca-1.i [2020-10-19 17:56:44,946 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15fff7876/dc6ca5af27454a99995c83c6f082ce7f/FLAGdece4c23a [2020-10-19 17:56:45,180 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15fff7876/dc6ca5af27454a99995c83c6f082ce7f [2020-10-19 17:56:45,184 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 17:56:45,191 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-19 17:56:45,192 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 17:56:45,193 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 17:56:45,196 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 17:56:45,197 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 05:56:45" (1/1) ... [2020-10-19 17:56:45,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5db40efd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:56:45, skipping insertion in model container [2020-10-19 17:56:45,201 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 05:56:45" (1/1) ... [2020-10-19 17:56:45,209 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 17:56:45,261 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 17:56:45,701 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 17:56:45,717 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-10-19 17:56:45,732 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 17:56:45,784 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 17:56:45,790 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 17:56:45,835 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 17:56:45,899 INFO L208 MainTranslator]: Completed translation [2020-10-19 17:56:45,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:56:45 WrapperNode [2020-10-19 17:56:45,902 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 17:56:45,903 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 17:56:45,903 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 17:56:45,903 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 17:56:45,917 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:56:45" (1/1) ... [2020-10-19 17:56:45,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:56:45" (1/1) ... [2020-10-19 17:56:45,937 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:56:45" (1/1) ... [2020-10-19 17:56:45,938 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:56:45" (1/1) ... [2020-10-19 17:56:45,972 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:56:45" (1/1) ... [2020-10-19 17:56:45,978 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:56:45" (1/1) ... [2020-10-19 17:56:45,983 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:56:45" (1/1) ... [2020-10-19 17:56:45,990 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 17:56:45,991 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 17:56:45,991 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 17:56:45,991 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 17:56:45,992 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:56:45" (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 [2020-10-19 17:56:46,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-19 17:56:46,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 17:56:46,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2020-10-19 17:56:46,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-19 17:56:46,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-19 17:56:46,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-10-19 17:56:46,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-10-19 17:56:46,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-10-19 17:56:46,053 INFO L138 BoogieDeclarations]: Found implementation of procedure insertionSort [2020-10-19 17:56:46,053 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-19 17:56:46,053 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-19 17:56:46,054 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-19 17:56:46,054 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-19 17:56:46,054 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-19 17:56:46,054 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-19 17:56:46,054 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-19 17:56:46,055 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-19 17:56:46,055 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-19 17:56:46,055 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-19 17:56:46,055 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-19 17:56:46,056 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-19 17:56:46,056 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-19 17:56:46,056 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-19 17:56:46,056 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-19 17:56:46,056 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-19 17:56:46,057 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-19 17:56:46,057 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-19 17:56:46,057 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-19 17:56:46,057 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-10-19 17:56:46,057 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-10-19 17:56:46,058 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-10-19 17:56:46,058 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-19 17:56:46,058 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-19 17:56:46,058 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-19 17:56:46,059 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-19 17:56:46,059 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-19 17:56:46,059 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-19 17:56:46,059 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-19 17:56:46,059 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-19 17:56:46,060 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-19 17:56:46,060 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-19 17:56:46,060 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-19 17:56:46,060 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-19 17:56:46,060 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-19 17:56:46,061 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-19 17:56:46,061 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-19 17:56:46,061 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-19 17:56:46,061 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-19 17:56:46,061 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-19 17:56:46,062 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-19 17:56:46,062 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-19 17:56:46,062 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-19 17:56:46,062 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-19 17:56:46,063 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-19 17:56:46,063 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-19 17:56:46,063 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-19 17:56:46,063 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-19 17:56:46,063 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-19 17:56:46,064 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-19 17:56:46,064 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-19 17:56:46,064 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-19 17:56:46,064 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-19 17:56:46,064 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-19 17:56:46,065 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-19 17:56:46,065 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-19 17:56:46,065 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-19 17:56:46,065 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-19 17:56:46,066 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-19 17:56:46,066 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-19 17:56:46,066 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-19 17:56:46,066 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-19 17:56:46,066 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-19 17:56:46,067 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-19 17:56:46,067 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-19 17:56:46,067 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-19 17:56:46,067 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-19 17:56:46,067 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-19 17:56:46,068 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-19 17:56:46,068 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-19 17:56:46,068 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-19 17:56:46,068 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-19 17:56:46,068 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-19 17:56:46,069 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-19 17:56:46,069 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-19 17:56:46,069 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-19 17:56:46,069 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-19 17:56:46,069 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-19 17:56:46,070 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-19 17:56:46,070 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-19 17:56:46,070 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-19 17:56:46,070 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-19 17:56:46,070 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-19 17:56:46,071 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-19 17:56:46,071 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-19 17:56:46,071 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-19 17:56:46,071 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-19 17:56:46,071 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-19 17:56:46,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-19 17:56:46,072 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-19 17:56:46,072 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-19 17:56:46,072 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-19 17:56:46,072 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-19 17:56:46,073 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-19 17:56:46,073 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-19 17:56:46,073 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-19 17:56:46,073 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-19 17:56:46,073 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-19 17:56:46,074 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-19 17:56:46,074 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-19 17:56:46,074 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-19 17:56:46,074 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-19 17:56:46,074 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-19 17:56:46,075 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-19 17:56:46,075 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-19 17:56:46,075 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-19 17:56:46,075 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-19 17:56:46,075 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-19 17:56:46,076 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-19 17:56:46,076 INFO L130 BoogieDeclarations]: Found specification of procedure insertionSort [2020-10-19 17:56:46,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-19 17:56:46,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-19 17:56:46,076 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-19 17:56:46,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 17:56:46,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-19 17:56:46,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-19 17:56:46,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 17:56:46,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2020-10-19 17:56:46,734 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 17:56:46,734 INFO L298 CfgBuilder]: Removed 3 assume(true) statements. [2020-10-19 17:56:46,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 05:56:46 BoogieIcfgContainer [2020-10-19 17:56:46,737 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 17:56:46,738 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 17:56:46,738 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 17:56:46,742 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 17:56:46,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 05:56:45" (1/3) ... [2020-10-19 17:56:46,743 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d9b27fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 05:56:46, skipping insertion in model container [2020-10-19 17:56:46,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:56:45" (2/3) ... [2020-10-19 17:56:46,744 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d9b27fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 05:56:46, skipping insertion in model container [2020-10-19 17:56:46,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 05:56:46" (3/3) ... [2020-10-19 17:56:46,746 INFO L111 eAbstractionObserver]: Analyzing ICFG insertionsort-alloca-1.i [2020-10-19 17:56:46,758 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 17:56:46,766 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2020-10-19 17:56:46,776 INFO L253 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2020-10-19 17:56:46,796 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 17:56:46,796 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-19 17:56:46,796 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 17:56:46,796 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 17:56:46,797 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 17:56:46,797 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 17:56:46,797 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 17:56:46,797 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 17:56:46,813 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states. [2020-10-19 17:56:46,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-19 17:56:46,823 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 17:56:46,824 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 17:56:46,824 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]=== [2020-10-19 17:56:46,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 17:56:46,830 INFO L82 PathProgramCache]: Analyzing trace with hash 283903755, now seen corresponding path program 1 times [2020-10-19 17:56:46,843 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 17:56:46,844 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [599526433] [2020-10-19 17:56:46,844 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 [2020-10-19 17:56:46,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 17:56:46,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-19 17:56:47,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 17:56:47,105 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 [2020-10-19 17:56:47,106 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 17:56:47,118 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 17:56:47,119 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-19 17:56:47,119 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2020-10-19 17:56:47,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 17:56:47,138 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 17:56:47,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 17:56:47,295 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [599526433] [2020-10-19 17:56:47,296 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 17:56:47,296 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2020-10-19 17:56:47,297 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717241838] [2020-10-19 17:56:47,303 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-19 17:56:47,303 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 17:56:47,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-19 17:56:47,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-19 17:56:47,322 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 6 states. [2020-10-19 17:56:48,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 17:56:48,001 INFO L93 Difference]: Finished difference Result 73 states and 81 transitions. [2020-10-19 17:56:48,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-19 17:56:48,003 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2020-10-19 17:56:48,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 17:56:48,014 INFO L225 Difference]: With dead ends: 73 [2020-10-19 17:56:48,014 INFO L226 Difference]: Without dead ends: 68 [2020-10-19 17:56:48,016 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 [2020-10-19 17:56:48,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-10-19 17:56:48,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 49. [2020-10-19 17:56:48,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-10-19 17:56:48,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 55 transitions. [2020-10-19 17:56:48,063 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 55 transitions. Word has length 10 [2020-10-19 17:56:48,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 17:56:48,064 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 55 transitions. [2020-10-19 17:56:48,064 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-19 17:56:48,065 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2020-10-19 17:56:48,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-19 17:56:48,066 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 17:56:48,066 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 17:56:48,279 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-19 17:56:48,281 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]=== [2020-10-19 17:56:48,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 17:56:48,282 INFO L82 PathProgramCache]: Analyzing trace with hash 283903754, now seen corresponding path program 1 times [2020-10-19 17:56:48,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 17:56:48,284 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1286277544] [2020-10-19 17:56:48,284 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 [2020-10-19 17:56:48,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 17:56:48,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-19 17:56:48,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 17:56:48,397 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 [2020-10-19 17:56:48,398 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 17:56:48,405 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 17:56:48,405 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-19 17:56:48,406 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-10-19 17:56:48,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 17:56:48,423 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 17:56:48,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 17:56:48,445 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1286277544] [2020-10-19 17:56:48,446 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 17:56:48,446 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-19 17:56:48,447 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992390473] [2020-10-19 17:56:48,450 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 17:56:48,450 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 17:56:48,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 17:56:48,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 17:56:48,451 INFO L87 Difference]: Start difference. First operand 49 states and 55 transitions. Second operand 3 states. [2020-10-19 17:56:48,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 17:56:48,572 INFO L93 Difference]: Finished difference Result 48 states and 53 transitions. [2020-10-19 17:56:48,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 17:56:48,573 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-10-19 17:56:48,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 17:56:48,574 INFO L225 Difference]: With dead ends: 48 [2020-10-19 17:56:48,575 INFO L226 Difference]: Without dead ends: 48 [2020-10-19 17:56:48,576 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 [2020-10-19 17:56:48,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2020-10-19 17:56:48,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2020-10-19 17:56:48,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-10-19 17:56:48,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 53 transitions. [2020-10-19 17:56:48,583 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 53 transitions. Word has length 10 [2020-10-19 17:56:48,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 17:56:48,583 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 53 transitions. [2020-10-19 17:56:48,583 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 17:56:48,583 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 53 transitions. [2020-10-19 17:56:48,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-19 17:56:48,584 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 17:56:48,585 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 17:56:48,797 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-19 17:56:48,797 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]=== [2020-10-19 17:56:48,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 17:56:48,799 INFO L82 PathProgramCache]: Analyzing trace with hash -1533473589, now seen corresponding path program 1 times [2020-10-19 17:56:48,800 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 17:56:48,801 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2101058115] [2020-10-19 17:56:48,801 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 [2020-10-19 17:56:48,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 17:56:48,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-19 17:56:48,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 17:56:48,931 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 [2020-10-19 17:56:48,932 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 17:56:48,934 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 17:56:48,934 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-19 17:56:48,935 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-10-19 17:56:48,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 17:56:48,963 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 17:56:48,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 17:56:48,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2101058115] [2020-10-19 17:56:48,981 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 17:56:48,981 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-10-19 17:56:48,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463938490] [2020-10-19 17:56:48,982 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-19 17:56:48,982 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 17:56:48,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-19 17:56:48,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 17:56:48,983 INFO L87 Difference]: Start difference. First operand 48 states and 53 transitions. Second operand 5 states. [2020-10-19 17:56:49,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 17:56:49,179 INFO L93 Difference]: Finished difference Result 43 states and 48 transitions. [2020-10-19 17:56:49,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-19 17:56:49,180 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-19 17:56:49,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 17:56:49,181 INFO L225 Difference]: With dead ends: 43 [2020-10-19 17:56:49,181 INFO L226 Difference]: Without dead ends: 43 [2020-10-19 17:56:49,182 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 [2020-10-19 17:56:49,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-10-19 17:56:49,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-10-19 17:56:49,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-19 17:56:49,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 48 transitions. [2020-10-19 17:56:49,188 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 48 transitions. Word has length 13 [2020-10-19 17:56:49,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 17:56:49,188 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 48 transitions. [2020-10-19 17:56:49,188 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-19 17:56:49,188 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2020-10-19 17:56:49,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-19 17:56:49,189 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 17:56:49,189 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 17:56:49,401 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-19 17:56:49,402 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]=== [2020-10-19 17:56:49,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 17:56:49,402 INFO L82 PathProgramCache]: Analyzing trace with hash -1533473588, now seen corresponding path program 1 times [2020-10-19 17:56:49,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 17:56:49,404 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1218670677] [2020-10-19 17:56:49,405 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 [2020-10-19 17:56:49,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 17:56:49,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 14 conjunts are in the unsatisfiable core [2020-10-19 17:56:49,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 17:56:49,526 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 [2020-10-19 17:56:49,526 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 17:56:49,545 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 17:56:49,546 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-19 17:56:49,546 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:22 [2020-10-19 17:56:49,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 17:56:49,588 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 17:56:49,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 17:56:49,982 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1218670677] [2020-10-19 17:56:49,982 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 17:56:49,982 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 6] imperfect sequences [] total 9 [2020-10-19 17:56:49,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252028186] [2020-10-19 17:56:49,983 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-19 17:56:49,983 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 17:56:49,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-19 17:56:49,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-19 17:56:49,984 INFO L87 Difference]: Start difference. First operand 43 states and 48 transitions. Second operand 9 states. [2020-10-19 17:56:50,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 17:56:50,490 INFO L93 Difference]: Finished difference Result 45 states and 49 transitions. [2020-10-19 17:56:50,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-19 17:56:50,494 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 13 [2020-10-19 17:56:50,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 17:56:50,495 INFO L225 Difference]: With dead ends: 45 [2020-10-19 17:56:50,495 INFO L226 Difference]: Without dead ends: 45 [2020-10-19 17:56:50,496 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-19 17:56:50,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-10-19 17:56:50,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 41. [2020-10-19 17:56:50,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-10-19 17:56:50,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2020-10-19 17:56:50,501 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 13 [2020-10-19 17:56:50,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 17:56:50,501 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions. [2020-10-19 17:56:50,501 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-19 17:56:50,502 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2020-10-19 17:56:50,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-19 17:56:50,502 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 17:56:50,503 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 17:56:50,707 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-10-19 17:56:50,707 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]=== [2020-10-19 17:56:50,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 17:56:50,708 INFO L82 PathProgramCache]: Analyzing trace with hash 505832910, now seen corresponding path program 1 times [2020-10-19 17:56:50,709 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 17:56:50,709 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1357240753] [2020-10-19 17:56:50,710 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 [2020-10-19 17:56:50,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 17:56:50,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-19 17:56:50,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 17:56:50,828 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 17:56:50,828 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 17:56:50,841 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1357240753] [2020-10-19 17:56:50,842 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-19 17:56:50,842 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1240103246] [2020-10-19 17:56:50,842 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 [2020-10-19 17:56:51,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 17:56:51,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-19 17:56:51,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 17:56:51,046 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 17:56:51,047 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 17:56:51,080 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 17:56:51,080 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-19 17:56:51,080 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-10-19 17:56:51,080 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871406510] [2020-10-19 17:56:51,081 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-19 17:56:51,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 17:56:51,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-19 17:56:51,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-19 17:56:51,082 INFO L87 Difference]: Start difference. First operand 41 states and 45 transitions. Second operand 8 states. [2020-10-19 17:56:51,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 17:56:51,171 INFO L93 Difference]: Finished difference Result 51 states and 55 transitions. [2020-10-19 17:56:51,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-19 17:56:51,172 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 14 [2020-10-19 17:56:51,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 17:56:51,173 INFO L225 Difference]: With dead ends: 51 [2020-10-19 17:56:51,173 INFO L226 Difference]: Without dead ends: 51 [2020-10-19 17:56:51,174 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 [2020-10-19 17:56:51,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-10-19 17:56:51,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 47. [2020-10-19 17:56:51,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-10-19 17:56:51,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 51 transitions. [2020-10-19 17:56:51,179 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 51 transitions. Word has length 14 [2020-10-19 17:56:51,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 17:56:51,179 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 51 transitions. [2020-10-19 17:56:51,179 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-19 17:56:51,180 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2020-10-19 17:56:51,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-19 17:56:51,180 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 17:56:51,180 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 17:56:51,581 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 [2020-10-19 17:56:51,582 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]=== [2020-10-19 17:56:51,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 17:56:51,583 INFO L82 PathProgramCache]: Analyzing trace with hash -303513716, now seen corresponding path program 1 times [2020-10-19 17:56:51,583 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 17:56:51,584 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [211788007] [2020-10-19 17:56:51,584 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 [2020-10-19 17:56:51,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 17:56:51,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 10 conjunts are in the unsatisfiable core [2020-10-19 17:56:51,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 17:56:51,686 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 [2020-10-19 17:56:51,687 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 17:56:51,701 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 17:56:51,702 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-19 17:56:51,703 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:22 [2020-10-19 17:56:51,808 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 17:56:51,808 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 17:56:52,163 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 17:56:52,164 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [211788007] [2020-10-19 17:56:52,164 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-19 17:56:52,165 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2020-10-19 17:56:52,165 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922211473] [2020-10-19 17:56:52,165 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-19 17:56:52,165 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 17:56:52,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-19 17:56:52,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-19 17:56:52,166 INFO L87 Difference]: Start difference. First operand 47 states and 51 transitions. Second operand 10 states. [2020-10-19 17:56:52,515 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-10-19 17:56:53,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 17:56:53,219 INFO L93 Difference]: Finished difference Result 67 states and 74 transitions. [2020-10-19 17:56:53,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-19 17:56:53,221 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 14 [2020-10-19 17:56:53,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 17:56:53,223 INFO L225 Difference]: With dead ends: 67 [2020-10-19 17:56:53,223 INFO L226 Difference]: Without dead ends: 67 [2020-10-19 17:56:53,223 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=78, Invalid=132, Unknown=0, NotChecked=0, Total=210 [2020-10-19 17:56:53,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-10-19 17:56:53,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 59. [2020-10-19 17:56:53,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-10-19 17:56:53,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 66 transitions. [2020-10-19 17:56:53,229 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 66 transitions. Word has length 14 [2020-10-19 17:56:53,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 17:56:53,230 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 66 transitions. [2020-10-19 17:56:53,230 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-19 17:56:53,230 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 66 transitions. [2020-10-19 17:56:53,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-19 17:56:53,231 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 17:56:53,231 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 17:56:53,442 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2020-10-19 17:56:53,442 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]=== [2020-10-19 17:56:53,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 17:56:53,443 INFO L82 PathProgramCache]: Analyzing trace with hash -1771692889, now seen corresponding path program 1 times [2020-10-19 17:56:53,444 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 17:56:53,444 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1276286515] [2020-10-19 17:56:53,444 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 [2020-10-19 17:56:53,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 17:56:53,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-19 17:56:53,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 17:56:53,549 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-19 17:56:53,549 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 17:56:53,586 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-19 17:56:53,587 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1276286515] [2020-10-19 17:56:53,587 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 17:56:53,587 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-10-19 17:56:53,588 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238070104] [2020-10-19 17:56:53,588 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-19 17:56:53,589 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 17:56:53,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-19 17:56:53,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-19 17:56:53,589 INFO L87 Difference]: Start difference. First operand 59 states and 66 transitions. Second operand 8 states. [2020-10-19 17:56:53,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 17:56:53,679 INFO L93 Difference]: Finished difference Result 67 states and 73 transitions. [2020-10-19 17:56:53,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-19 17:56:53,682 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2020-10-19 17:56:53,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 17:56:53,686 INFO L225 Difference]: With dead ends: 67 [2020-10-19 17:56:53,686 INFO L226 Difference]: Without dead ends: 67 [2020-10-19 17:56:53,688 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 [2020-10-19 17:56:53,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-10-19 17:56:53,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 64. [2020-10-19 17:56:53,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2020-10-19 17:56:53,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 71 transitions. [2020-10-19 17:56:53,699 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 71 transitions. Word has length 17 [2020-10-19 17:56:53,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 17:56:53,700 INFO L481 AbstractCegarLoop]: Abstraction has 64 states and 71 transitions. [2020-10-19 17:56:53,700 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-19 17:56:53,700 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 71 transitions. [2020-10-19 17:56:53,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-19 17:56:53,702 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 17:56:53,703 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 17:56:53,917 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2020-10-19 17:56:53,918 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]=== [2020-10-19 17:56:53,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 17:56:53,919 INFO L82 PathProgramCache]: Analyzing trace with hash -1070628311, now seen corresponding path program 1 times [2020-10-19 17:56:53,919 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 17:56:53,920 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1835934709] [2020-10-19 17:56:53,920 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 [2020-10-19 17:56:54,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 17:56:54,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 15 conjunts are in the unsatisfiable core [2020-10-19 17:56:54,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 17:56:54,037 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 [2020-10-19 17:56:54,039 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 17:56:54,058 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 17:56:54,059 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-19 17:56:54,059 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2020-10-19 17:56:54,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-19 17:56:54,228 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 17:56:54,701 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-19 17:56:54,701 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1835934709] [2020-10-19 17:56:54,702 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 17:56:54,702 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 11 [2020-10-19 17:56:54,702 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159309703] [2020-10-19 17:56:54,702 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-19 17:56:54,703 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 17:56:54,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-19 17:56:54,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-10-19 17:56:54,703 INFO L87 Difference]: Start difference. First operand 64 states and 71 transitions. Second operand 12 states. [2020-10-19 17:56:55,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 17:56:55,984 INFO L93 Difference]: Finished difference Result 86 states and 97 transitions. [2020-10-19 17:56:55,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-19 17:56:55,985 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 17 [2020-10-19 17:56:55,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 17:56:55,988 INFO L225 Difference]: With dead ends: 86 [2020-10-19 17:56:55,988 INFO L226 Difference]: Without dead ends: 86 [2020-10-19 17:56:55,989 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 [2020-10-19 17:56:55,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-10-19 17:56:55,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 80. [2020-10-19 17:56:55,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-10-19 17:56:55,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 95 transitions. [2020-10-19 17:56:55,997 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 95 transitions. Word has length 17 [2020-10-19 17:56:55,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 17:56:55,997 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 95 transitions. [2020-10-19 17:56:55,997 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-19 17:56:55,997 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 95 transitions. [2020-10-19 17:56:55,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-19 17:56:55,998 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 17:56:55,998 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] [2020-10-19 17:56:56,208 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2020-10-19 17:56:56,209 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]=== [2020-10-19 17:56:56,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 17:56:56,210 INFO L82 PathProgramCache]: Analyzing trace with hash 349735848, now seen corresponding path program 1 times [2020-10-19 17:56:56,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 17:56:56,211 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [232273361] [2020-10-19 17:56:56,212 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 [2020-10-19 17:56:56,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 17:56:56,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-19 17:56:56,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 17:56:56,303 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 [2020-10-19 17:56:56,303 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 17:56:56,305 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 17:56:56,306 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-19 17:56:56,306 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-10-19 17:56:56,367 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 17:56:56,368 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 [2020-10-19 17:56:56,369 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 17:56:56,394 INFO L625 ElimStorePlain]: treesize reduction 10, result has 60.0 percent of original size [2020-10-19 17:56:56,396 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-19 17:56:56,399 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. [2020-10-19 17:56:56,400 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2020-10-19 17:56:56,400 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-19 17:56:56,418 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-19 17:56:56,432 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-19 17:56:56,453 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-19 17:56:56,467 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-19 17:56:56,491 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-19 17:56:56,491 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 17:57:00,569 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-19 17:57:00,570 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [232273361] [2020-10-19 17:57:00,570 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 17:57:00,570 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 8 [2020-10-19 17:57:00,570 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740099811] [2020-10-19 17:57:00,571 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-19 17:57:00,571 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 17:57:00,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-19 17:57:00,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=49, Unknown=2, NotChecked=0, Total=72 [2020-10-19 17:57:00,571 INFO L87 Difference]: Start difference. First operand 80 states and 95 transitions. Second operand 9 states. [2020-10-19 17:57:00,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 17:57:00,857 INFO L93 Difference]: Finished difference Result 79 states and 94 transitions. [2020-10-19 17:57:00,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-19 17:57:00,859 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 20 [2020-10-19 17:57:00,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 17:57:00,860 INFO L225 Difference]: With dead ends: 79 [2020-10-19 17:57:00,860 INFO L226 Difference]: Without dead ends: 64 [2020-10-19 17:57:00,860 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 28 SyntacticMatches, 5 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=34, Invalid=74, Unknown=2, NotChecked=0, Total=110 [2020-10-19 17:57:00,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-10-19 17:57:00,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2020-10-19 17:57:00,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2020-10-19 17:57:00,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 76 transitions. [2020-10-19 17:57:00,874 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 76 transitions. Word has length 20 [2020-10-19 17:57:00,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 17:57:00,875 INFO L481 AbstractCegarLoop]: Abstraction has 64 states and 76 transitions. [2020-10-19 17:57:00,875 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-19 17:57:00,875 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 76 transitions. [2020-10-19 17:57:00,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-19 17:57:00,876 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 17:57:00,877 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] [2020-10-19 17:57:01,081 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2020-10-19 17:57:01,082 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]=== [2020-10-19 17:57:01,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 17:57:01,083 INFO L82 PathProgramCache]: Analyzing trace with hash 988119118, now seen corresponding path program 1 times [2020-10-19 17:57:01,083 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 17:57:01,084 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1131778556] [2020-10-19 17:57:01,084 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 [2020-10-19 17:57:01,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 17:57:01,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 14 conjunts are in the unsatisfiable core [2020-10-19 17:57:01,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 17:57:01,218 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 [2020-10-19 17:57:01,218 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 17:57:01,235 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 17:57:01,237 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. [2020-10-19 17:57:01,237 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:20, output treesize:19 [2020-10-19 17:57:01,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1131778556] [2020-10-19 17:57:01,284 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-19 17:57:01,285 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1993362501] [2020-10-19 17:57:01,285 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 [2020-10-19 17:57:01,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 17:57:01,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-19 17:57:01,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 17:57:01,615 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 17:57:01,615 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 17:57:01,759 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 17:57:01,759 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-19 17:57:01,760 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2020-10-19 17:57:01,760 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838103235] [2020-10-19 17:57:01,761 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-19 17:57:01,761 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 17:57:01,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-19 17:57:01,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-10-19 17:57:01,762 INFO L87 Difference]: Start difference. First operand 64 states and 76 transitions. Second operand 13 states. [2020-10-19 17:57:02,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 17:57:02,029 INFO L93 Difference]: Finished difference Result 67 states and 78 transitions. [2020-10-19 17:57:02,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-19 17:57:02,030 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 21 [2020-10-19 17:57:02,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 17:57:02,032 INFO L225 Difference]: With dead ends: 67 [2020-10-19 17:57:02,032 INFO L226 Difference]: Without dead ends: 64 [2020-10-19 17:57:02,032 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2020-10-19 17:57:02,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-10-19 17:57:02,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2020-10-19 17:57:02,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2020-10-19 17:57:02,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 75 transitions. [2020-10-19 17:57:02,038 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 75 transitions. Word has length 21 [2020-10-19 17:57:02,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 17:57:02,038 INFO L481 AbstractCegarLoop]: Abstraction has 64 states and 75 transitions. [2020-10-19 17:57:02,038 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-19 17:57:02,039 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 75 transitions. [2020-10-19 17:57:02,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-19 17:57:02,040 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 17:57:02,040 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] [2020-10-19 17:57:02,443 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 [2020-10-19 17:57:02,443 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]=== [2020-10-19 17:57:02,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 17:57:02,444 INFO L82 PathProgramCache]: Analyzing trace with hash -2079110997, now seen corresponding path program 2 times [2020-10-19 17:57:02,445 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 17:57:02,445 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1337486580] [2020-10-19 17:57:02,446 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 [2020-10-19 17:57:02,526 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2020-10-19 17:57:02,527 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-19 17:57:02,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 14 conjunts are in the unsatisfiable core [2020-10-19 17:57:02,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 17:57:02,554 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 [2020-10-19 17:57:02,554 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 17:57:02,567 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 17:57:02,569 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. [2020-10-19 17:57:02,569 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:20, output treesize:19 [2020-10-19 17:57:02,611 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1337486580] [2020-10-19 17:57:02,611 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-19 17:57:02,611 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1488759176] [2020-10-19 17:57:02,611 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 [2020-10-19 17:57:02,789 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2020-10-19 17:57:02,789 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-19 17:57:02,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 14 conjunts are in the unsatisfiable core [2020-10-19 17:57:02,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 17:57:02,808 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 [2020-10-19 17:57:02,809 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 17:57:02,824 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 17:57:02,825 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. [2020-10-19 17:57:02,825 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:20, output treesize:19 [2020-10-19 17:57:02,846 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-19 17:57:02,847 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [367373312] [2020-10-19 17:57:02,847 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 [2020-10-19 17:57:02,929 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2020-10-19 17:57:02,929 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-19 17:57:02,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 14 conjunts are in the unsatisfiable core [2020-10-19 17:57:02,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 17:57:02,962 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 [2020-10-19 17:57:02,962 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 17:57:02,976 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 17:57:02,978 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. [2020-10-19 17:57:02,978 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:20, output treesize:19 [2020-10-19 17:57:02,997 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-19 17:57:02,997 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2020-10-19 17:57:02,997 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2020-10-19 17:57:02,998 ERROR L205 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2020-10-19 17:57:02,998 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-19 17:57:03,616 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 [2020-10-19 17:57:03,630 WARN L238 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-10-19 17:57:03,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 05:57:03 BoogieIcfgContainer [2020-10-19 17:57:03,631 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 17:57:03,631 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 17:57:03,631 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 17:57:03,631 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 17:57:03,632 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 05:56:46" (3/4) ... [2020-10-19 17:57:03,635 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-19 17:57:03,635 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 17:57:03,637 INFO L168 Benchmark]: Toolchain (without parser) took 18451.89 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 283.6 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -166.0 MB). Peak memory consumption was 117.6 MB. Max. memory is 11.5 GB. [2020-10-19 17:57:03,637 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 17:57:03,638 INFO L168 Benchmark]: CACSL2BoogieTranslator took 710.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 949.2 MB in the beginning and 1.1 GB in the end (delta: -161.4 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2020-10-19 17:57:03,638 INFO L168 Benchmark]: Boogie Preprocessor took 87.43 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 17:57:03,639 INFO L168 Benchmark]: RCFGBuilder took 746.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.4 MB). Peak memory consumption was 51.4 MB. Max. memory is 11.5 GB. [2020-10-19 17:57:03,639 INFO L168 Benchmark]: TraceAbstraction took 16892.60 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 146.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -61.4 MB). Peak memory consumption was 85.4 MB. Max. memory is 11.5 GB. [2020-10-19 17:57:03,640 INFO L168 Benchmark]: Witness Printer took 4.30 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 17:57:03,642 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 710.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 949.2 MB in the beginning and 1.1 GB in the end (delta: -161.4 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 87.43 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 746.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.4 MB). Peak memory consumption was 51.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 16892.60 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 146.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -61.4 MB). Peak memory consumption was 85.4 MB. Max. memory is 11.5 GB. * Witness Printer took 4.30 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.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: 16.8s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 4.6s, 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, 7.6s 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, 6.7s 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...