./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/array-memsafety-realloc/array-realloc-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-realloc/array-realloc-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 ef75293aeb91e37969e4557310245e0c38a479cd ............................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/array-memsafety-realloc/array-realloc-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 ef75293aeb91e37969e4557310245e0c38a479cd ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free) --- Real Ultimate output --- This is Ultimate 0.1.25-906a4fb [2020-10-19 17:59:14,272 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 17:59:14,273 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 17:59:14,317 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 17:59:14,318 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 17:59:14,328 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 17:59:14,330 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 17:59:14,335 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 17:59:14,337 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 17:59:14,342 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 17:59:14,343 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 17:59:14,345 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 17:59:14,345 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 17:59:14,350 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 17:59:14,352 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 17:59:14,354 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 17:59:14,356 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 17:59:14,357 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 17:59:14,360 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 17:59:14,367 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 17:59:14,369 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 17:59:14,370 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 17:59:14,372 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 17:59:14,373 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 17:59:14,385 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 17:59:14,392 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 17:59:14,392 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 17:59:14,394 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 17:59:14,394 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 17:59:14,396 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 17:59:14,397 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 17:59:14,400 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 17:59:14,402 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 17:59:14,403 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 17:59:14,404 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 17:59:14,405 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 17:59:14,406 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 17:59:14,406 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 17:59:14,406 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 17:59:14,407 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 17:59:14,408 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 17:59:14,409 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-10-19 17:59:14,448 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 17:59:14,448 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 17:59:14,450 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 17:59:14,450 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 17:59:14,451 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 17:59:14,451 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 17:59:14,451 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 17:59:14,452 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 17:59:14,452 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 17:59:14,452 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 17:59:14,453 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 17:59:14,454 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-19 17:59:14,454 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-19 17:59:14,454 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-19 17:59:14,455 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 17:59:14,455 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-19 17:59:14,455 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 17:59:14,456 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 17:59:14,456 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 17:59:14,456 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 17:59:14,456 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 17:59:14,457 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 17:59:14,457 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 17:59:14,457 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 17:59:14,458 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 17:59:14,458 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 17:59:14,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 17:59:14,458 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 17:59:14,459 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 -> ef75293aeb91e37969e4557310245e0c38a479cd [2020-10-19 17:59:14,790 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 17:59:14,809 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 17:59:14,813 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 17:59:14,815 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 17:59:14,815 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 17:59:14,816 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety-realloc/array-realloc-1.i [2020-10-19 17:59:14,882 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eafb16186/664bc3882bbc4d31a4c362766e1d975f/FLAGc915658e0 [2020-10-19 17:59:15,408 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 17:59:15,408 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety-realloc/array-realloc-1.i [2020-10-19 17:59:15,426 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eafb16186/664bc3882bbc4d31a4c362766e1d975f/FLAGc915658e0 [2020-10-19 17:59:15,741 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eafb16186/664bc3882bbc4d31a4c362766e1d975f [2020-10-19 17:59:15,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 17:59:15,751 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-19 17:59:15,753 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 17:59:15,753 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 17:59:15,757 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 17:59:15,758 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 05:59:15" (1/1) ... [2020-10-19 17:59:15,761 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8b298be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:59:15, skipping insertion in model container [2020-10-19 17:59:15,762 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 05:59:15" (1/1) ... [2020-10-19 17:59:15,770 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 17:59:15,837 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 17:59:16,180 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 17:59:16,199 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 17:59:16,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@203a38ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:59:16, skipping insertion in model container [2020-10-19 17:59:16,200 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 17:59:16,201 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-19 17:59:16,204 INFO L168 Benchmark]: Toolchain (without parser) took 457.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 960.0 MB in the beginning and 1.1 GB in the end (delta: -176.8 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2020-10-19 17:59:16,205 INFO L168 Benchmark]: CDTParser took 0.25 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 17:59:16,206 INFO L168 Benchmark]: CACSL2BoogieTranslator took 447.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -182.1 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2020-10-19 17:59:16,208 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 447.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -182.1 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 515]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-906a4fb [2020-10-19 17:59:17,939 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 17:59:17,942 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 17:59:17,967 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 17:59:17,968 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 17:59:17,969 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 17:59:17,970 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 17:59:17,972 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 17:59:17,974 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 17:59:17,978 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 17:59:17,979 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 17:59:17,981 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 17:59:17,983 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 17:59:17,984 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 17:59:17,986 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 17:59:17,988 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 17:59:17,989 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 17:59:17,992 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 17:59:17,995 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 17:59:18,000 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 17:59:18,003 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 17:59:18,008 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 17:59:18,009 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 17:59:18,011 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 17:59:18,016 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 17:59:18,017 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 17:59:18,018 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 17:59:18,019 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 17:59:18,021 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 17:59:18,022 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 17:59:18,022 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 17:59:18,023 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 17:59:18,024 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 17:59:18,025 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 17:59:18,026 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 17:59:18,027 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 17:59:18,028 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 17:59:18,028 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 17:59:18,028 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 17:59:18,029 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 17:59:18,030 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 17:59:18,031 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-10-19 17:59:18,089 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 17:59:18,090 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 17:59:18,095 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 17:59:18,096 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 17:59:18,096 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 17:59:18,097 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 17:59:18,097 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 17:59:18,097 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 17:59:18,097 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 17:59:18,098 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 17:59:18,098 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 17:59:18,098 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-19 17:59:18,098 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-19 17:59:18,099 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-19 17:59:18,100 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 17:59:18,100 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-19 17:59:18,100 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-19 17:59:18,101 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-19 17:59:18,101 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 17:59:18,101 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 17:59:18,102 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 17:59:18,102 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 17:59:18,102 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 17:59:18,103 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 17:59:18,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 17:59:18,104 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 17:59:18,104 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 17:59:18,104 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-19 17:59:18,104 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-19 17:59:18,105 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 17:59:18,105 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-19 17:59:18,105 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 -> ef75293aeb91e37969e4557310245e0c38a479cd [2020-10-19 17:59:18,423 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 17:59:18,435 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 17:59:18,438 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 17:59:18,439 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 17:59:18,440 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 17:59:18,441 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety-realloc/array-realloc-1.i [2020-10-19 17:59:18,512 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4de6038f/512cc12be7ac49f5ae4dd3bf977b4c90/FLAG6049ad7ba [2020-10-19 17:59:19,109 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 17:59:19,110 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety-realloc/array-realloc-1.i [2020-10-19 17:59:19,122 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4de6038f/512cc12be7ac49f5ae4dd3bf977b4c90/FLAG6049ad7ba [2020-10-19 17:59:19,414 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4de6038f/512cc12be7ac49f5ae4dd3bf977b4c90 [2020-10-19 17:59:19,418 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 17:59:19,426 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-19 17:59:19,427 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 17:59:19,428 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 17:59:19,431 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 17:59:19,432 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 05:59:19" (1/1) ... [2020-10-19 17:59:19,435 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25fa9079 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:59:19, skipping insertion in model container [2020-10-19 17:59:19,436 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 05:59:19" (1/1) ... [2020-10-19 17:59:19,444 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 17:59:19,479 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 17:59:19,881 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 17:59:19,899 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-10-19 17:59:19,907 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 17:59:19,934 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 17:59:19,941 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 17:59:19,978 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 17:59:20,036 INFO L208 MainTranslator]: Completed translation [2020-10-19 17:59:20,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:59:20 WrapperNode [2020-10-19 17:59:20,037 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 17:59:20,038 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 17:59:20,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 17:59:20,038 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 17:59:20,051 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:59:20" (1/1) ... [2020-10-19 17:59:20,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:59:20" (1/1) ... [2020-10-19 17:59:20,072 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:59:20" (1/1) ... [2020-10-19 17:59:20,073 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:59:20" (1/1) ... [2020-10-19 17:59:20,089 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:59:20" (1/1) ... [2020-10-19 17:59:20,094 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:59:20" (1/1) ... [2020-10-19 17:59:20,098 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:59:20" (1/1) ... [2020-10-19 17:59:20,106 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 17:59:20,107 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 17:59:20,107 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 17:59:20,107 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 17:59:20,108 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:59:20" (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 17:59:20,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-19 17:59:20,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 17:59:20,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2020-10-19 17:59:20,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-19 17:59:20,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-19 17:59:20,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-10-19 17:59:20,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-10-19 17:59:20,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-10-19 17:59:20,189 INFO L138 BoogieDeclarations]: Found implementation of procedure expandArray [2020-10-19 17:59:20,189 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-19 17:59:20,190 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc [2020-10-19 17:59:20,190 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-19 17:59:20,190 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-19 17:59:20,191 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-19 17:59:20,191 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-19 17:59:20,191 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-19 17:59:20,191 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-19 17:59:20,191 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-19 17:59:20,192 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-19 17:59:20,193 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-19 17:59:20,193 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-19 17:59:20,193 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-19 17:59:20,194 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-19 17:59:20,194 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-19 17:59:20,194 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-19 17:59:20,194 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-19 17:59:20,194 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-19 17:59:20,194 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-19 17:59:20,195 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-19 17:59:20,195 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-10-19 17:59:20,195 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-10-19 17:59:20,195 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-10-19 17:59:20,196 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-19 17:59:20,196 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-19 17:59:20,196 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-19 17:59:20,196 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-19 17:59:20,197 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-19 17:59:20,197 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-19 17:59:20,197 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-19 17:59:20,197 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-19 17:59:20,197 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-19 17:59:20,197 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-19 17:59:20,197 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-19 17:59:20,197 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-19 17:59:20,198 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-19 17:59:20,198 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-19 17:59:20,198 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-19 17:59:20,198 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-19 17:59:20,198 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-19 17:59:20,199 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-19 17:59:20,199 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-19 17:59:20,199 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-19 17:59:20,199 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-19 17:59:20,199 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-19 17:59:20,199 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-19 17:59:20,200 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-19 17:59:20,200 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-19 17:59:20,200 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-19 17:59:20,200 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-19 17:59:20,200 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-19 17:59:20,200 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-19 17:59:20,200 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-19 17:59:20,201 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-19 17:59:20,201 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-19 17:59:20,201 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-19 17:59:20,201 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-19 17:59:20,201 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-19 17:59:20,202 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-19 17:59:20,202 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-19 17:59:20,202 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-19 17:59:20,202 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-19 17:59:20,203 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-19 17:59:20,203 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-19 17:59:20,203 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-19 17:59:20,203 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-19 17:59:20,203 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-19 17:59:20,204 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-19 17:59:20,204 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-19 17:59:20,204 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-19 17:59:20,204 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-19 17:59:20,204 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-19 17:59:20,204 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-19 17:59:20,205 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-19 17:59:20,205 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-19 17:59:20,205 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-19 17:59:20,205 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-19 17:59:20,205 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-19 17:59:20,205 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-19 17:59:20,205 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-19 17:59:20,205 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-19 17:59:20,206 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-19 17:59:20,206 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-19 17:59:20,206 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-19 17:59:20,206 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-19 17:59:20,206 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-19 17:59:20,206 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-19 17:59:20,206 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-19 17:59:20,206 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-19 17:59:20,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-19 17:59:20,207 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-19 17:59:20,207 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-19 17:59:20,207 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-19 17:59:20,207 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-19 17:59:20,207 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-19 17:59:20,207 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-19 17:59:20,207 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-19 17:59:20,207 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-19 17:59:20,208 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-19 17:59:20,208 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-19 17:59:20,208 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-19 17:59:20,208 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-19 17:59:20,209 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-19 17:59:20,209 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-19 17:59:20,209 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-19 17:59:20,209 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-19 17:59:20,209 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-19 17:59:20,210 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-19 17:59:20,210 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-19 17:59:20,210 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-19 17:59:20,210 INFO L130 BoogieDeclarations]: Found specification of procedure expandArray [2020-10-19 17:59:20,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc [2020-10-19 17:59:20,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-19 17:59:20,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-19 17:59:20,211 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-19 17:59:20,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-19 17:59:20,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-19 17:59:20,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 17:59:20,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2020-10-19 17:59:20,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-19 17:59:20,780 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 17:59:20,781 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-19 17:59:20,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 05:59:20 BoogieIcfgContainer [2020-10-19 17:59:20,783 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 17:59:20,784 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 17:59:20,784 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 17:59:20,788 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 17:59:20,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 05:59:19" (1/3) ... [2020-10-19 17:59:20,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bd67eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 05:59:20, skipping insertion in model container [2020-10-19 17:59:20,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:59:20" (2/3) ... [2020-10-19 17:59:20,790 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bd67eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 05:59:20, skipping insertion in model container [2020-10-19 17:59:20,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 05:59:20" (3/3) ... [2020-10-19 17:59:20,792 INFO L111 eAbstractionObserver]: Analyzing ICFG array-realloc-1.i [2020-10-19 17:59:20,807 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 17:59:20,813 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2020-10-19 17:59:20,823 INFO L253 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2020-10-19 17:59:20,842 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 17:59:20,843 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-19 17:59:20,843 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 17:59:20,843 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 17:59:20,843 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 17:59:20,844 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 17:59:20,844 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 17:59:20,844 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 17:59:20,860 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2020-10-19 17:59:20,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-19 17:59:20,870 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 17:59:20,871 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 17:59:20,872 INFO L429 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONMEMORY_FREE, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ENSURES_VIOLATIONMEMORY_LEAK, mainErr1ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr4ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr3ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr2ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr1REQUIRES_VIOLATION, expandArrayErr0REQUIRES_VIOLATION]=== [2020-10-19 17:59:20,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 17:59:20,879 INFO L82 PathProgramCache]: Analyzing trace with hash 1774917903, now seen corresponding path program 1 times [2020-10-19 17:59:20,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 17:59:20,892 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1112119389] [2020-10-19 17:59:20,893 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 17:59:21,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 17:59:21,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 17:59:21,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 17:59:21,102 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 17:59:21,103 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 17:59:21,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 17:59:21,117 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1112119389] [2020-10-19 17:59:21,118 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 17:59:21,119 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-19 17:59:21,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84604931] [2020-10-19 17:59:21,125 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 17:59:21,126 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 17:59:21,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 17:59:21,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 17:59:21,145 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 3 states. [2020-10-19 17:59:21,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 17:59:21,239 INFO L93 Difference]: Finished difference Result 55 states and 62 transitions. [2020-10-19 17:59:21,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 17:59:21,241 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-10-19 17:59:21,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 17:59:21,251 INFO L225 Difference]: With dead ends: 55 [2020-10-19 17:59:21,252 INFO L226 Difference]: Without dead ends: 51 [2020-10-19 17:59:21,254 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 17:59:21,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-10-19 17:59:21,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 39. [2020-10-19 17:59:21,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-10-19 17:59:21,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 42 transitions. [2020-10-19 17:59:21,299 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 42 transitions. Word has length 8 [2020-10-19 17:59:21,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 17:59:21,299 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 42 transitions. [2020-10-19 17:59:21,299 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 17:59:21,300 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 42 transitions. [2020-10-19 17:59:21,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-19 17:59:21,300 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 17:59:21,301 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 17:59:21,521 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-19 17:59:21,522 INFO L429 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONMEMORY_FREE, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ENSURES_VIOLATIONMEMORY_LEAK, mainErr1ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr4ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr3ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr2ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr1REQUIRES_VIOLATION, expandArrayErr0REQUIRES_VIOLATION]=== [2020-10-19 17:59:21,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 17:59:21,523 INFO L82 PathProgramCache]: Analyzing trace with hash -812119182, now seen corresponding path program 1 times [2020-10-19 17:59:21,524 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 17:59:21,525 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1452855018] [2020-10-19 17:59:21,525 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 17:59:21,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 17:59:21,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-19 17:59:21,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 17:59:21,660 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 17:59:21,660 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 17:59:21,673 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 17:59:21,673 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1452855018] [2020-10-19 17:59:21,674 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 17:59:21,675 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-10-19 17:59:21,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307637567] [2020-10-19 17:59:21,677 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 17:59:21,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 17:59:21,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 17:59:21,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 17:59:21,679 INFO L87 Difference]: Start difference. First operand 39 states and 42 transitions. Second operand 3 states. [2020-10-19 17:59:21,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 17:59:21,697 INFO L93 Difference]: Finished difference Result 39 states and 41 transitions. [2020-10-19 17:59:21,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 17:59:21,698 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-19 17:59:21,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 17:59:21,700 INFO L225 Difference]: With dead ends: 39 [2020-10-19 17:59:21,700 INFO L226 Difference]: Without dead ends: 39 [2020-10-19 17:59:21,702 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 17:59:21,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-10-19 17:59:21,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2020-10-19 17:59:21,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-10-19 17:59:21,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 41 transitions. [2020-10-19 17:59:21,717 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 41 transitions. Word has length 9 [2020-10-19 17:59:21,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 17:59:21,718 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 41 transitions. [2020-10-19 17:59:21,718 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 17:59:21,719 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 41 transitions. [2020-10-19 17:59:21,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-19 17:59:21,720 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 17:59:21,720 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 17:59:21,943 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-19 17:59:21,944 INFO L429 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONMEMORY_FREE, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ENSURES_VIOLATIONMEMORY_LEAK, mainErr1ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr4ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr3ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr2ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr1REQUIRES_VIOLATION, expandArrayErr0REQUIRES_VIOLATION]=== [2020-10-19 17:59:21,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 17:59:21,944 INFO L82 PathProgramCache]: Analyzing trace with hash -386852574, now seen corresponding path program 1 times [2020-10-19 17:59:21,948 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 17:59:21,949 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1303270339] [2020-10-19 17:59:21,949 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 17:59:22,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 17:59:22,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-19 17:59:22,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 17:59:22,081 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 17:59:22,081 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 17:59:22,097 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 17:59:22,098 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1303270339] [2020-10-19 17:59:22,098 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 17:59:22,098 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-10-19 17:59:22,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261742653] [2020-10-19 17:59:22,099 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 17:59:22,099 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 17:59:22,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 17:59:22,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 17:59:22,100 INFO L87 Difference]: Start difference. First operand 39 states and 41 transitions. Second operand 3 states. [2020-10-19 17:59:22,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 17:59:22,150 INFO L93 Difference]: Finished difference Result 46 states and 50 transitions. [2020-10-19 17:59:22,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 17:59:22,151 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-10-19 17:59:22,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 17:59:22,153 INFO L225 Difference]: With dead ends: 46 [2020-10-19 17:59:22,153 INFO L226 Difference]: Without dead ends: 46 [2020-10-19 17:59:22,153 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 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 17:59:22,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-10-19 17:59:22,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 41. [2020-10-19 17:59:22,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-10-19 17:59:22,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 44 transitions. [2020-10-19 17:59:22,162 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 44 transitions. Word has length 13 [2020-10-19 17:59:22,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 17:59:22,162 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 44 transitions. [2020-10-19 17:59:22,163 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 17:59:22,163 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 44 transitions. [2020-10-19 17:59:22,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-19 17:59:22,164 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 17:59:22,164 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 17:59:22,377 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-19 17:59:22,377 INFO L429 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONMEMORY_FREE, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ENSURES_VIOLATIONMEMORY_LEAK, mainErr1ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr4ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr3ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr2ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr1REQUIRES_VIOLATION, expandArrayErr0REQUIRES_VIOLATION]=== [2020-10-19 17:59:22,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 17:59:22,378 INFO L82 PathProgramCache]: Analyzing trace with hash -171591004, now seen corresponding path program 1 times [2020-10-19 17:59:22,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 17:59:22,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1210855396] [2020-10-19 17:59:22,380 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 17:59:22,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 17:59:22,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-19 17:59:22,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 17:59:22,562 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 17:59:22,562 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 17:59:22,592 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 17:59:22,592 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1210855396] [2020-10-19 17:59:22,593 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 17:59:22,593 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2020-10-19 17:59:22,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392044323] [2020-10-19 17:59:22,594 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-19 17:59:22,594 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 17:59:22,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-19 17:59:22,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-19 17:59:22,595 INFO L87 Difference]: Start difference. First operand 41 states and 44 transitions. Second operand 6 states. [2020-10-19 17:59:22,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 17:59:22,667 INFO L93 Difference]: Finished difference Result 52 states and 56 transitions. [2020-10-19 17:59:22,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-19 17:59:22,668 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-10-19 17:59:22,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 17:59:22,670 INFO L225 Difference]: With dead ends: 52 [2020-10-19 17:59:22,670 INFO L226 Difference]: Without dead ends: 52 [2020-10-19 17:59:22,670 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-19 17:59:22,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-10-19 17:59:22,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 44. [2020-10-19 17:59:22,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-10-19 17:59:22,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 48 transitions. [2020-10-19 17:59:22,679 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 48 transitions. Word has length 17 [2020-10-19 17:59:22,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 17:59:22,680 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 48 transitions. [2020-10-19 17:59:22,680 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-19 17:59:22,680 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 48 transitions. [2020-10-19 17:59:22,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-19 17:59:22,682 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 17:59:22,683 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 17:59:22,903 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-10-19 17:59:22,904 INFO L429 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONMEMORY_FREE, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ENSURES_VIOLATIONMEMORY_LEAK, mainErr1ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr4ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr3ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr2ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr1REQUIRES_VIOLATION, expandArrayErr0REQUIRES_VIOLATION]=== [2020-10-19 17:59:22,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 17:59:22,904 INFO L82 PathProgramCache]: Analyzing trace with hash -170667483, now seen corresponding path program 1 times [2020-10-19 17:59:22,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 17:59:22,905 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [571960574] [2020-10-19 17:59:22,906 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 17:59:23,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 17:59:23,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-19 17:59:23,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 17:59:23,082 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 17:59:23,083 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 25 [2020-10-19 17:59:23,084 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 17:59:23,111 INFO L625 ElimStorePlain]: treesize reduction 10, result has 60.0 percent of original size [2020-10-19 17:59:23,114 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-19 17:59:23,114 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:9, output treesize:5 [2020-10-19 17:59:23,138 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 17:59:23,138 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 17:59:23,183 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 17:59:23,184 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [571960574] [2020-10-19 17:59:23,184 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 17:59:23,184 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-10-19 17:59:23,185 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279158341] [2020-10-19 17:59:23,185 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-19 17:59:23,186 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 17:59:23,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-19 17:59:23,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 17:59:23,187 INFO L87 Difference]: Start difference. First operand 44 states and 48 transitions. Second operand 5 states. [2020-10-19 17:59:23,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 17:59:23,298 INFO L93 Difference]: Finished difference Result 45 states and 49 transitions. [2020-10-19 17:59:23,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-19 17:59:23,299 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-10-19 17:59:23,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 17:59:23,300 INFO L225 Difference]: With dead ends: 45 [2020-10-19 17:59:23,300 INFO L226 Difference]: Without dead ends: 45 [2020-10-19 17:59:23,301 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 17:59:23,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-10-19 17:59:23,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 42. [2020-10-19 17:59:23,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-10-19 17:59:23,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2020-10-19 17:59:23,308 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 17 [2020-10-19 17:59:23,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 17:59:23,309 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2020-10-19 17:59:23,309 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-19 17:59:23,309 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2020-10-19 17:59:23,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-19 17:59:23,310 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 17:59:23,310 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 17:59:23,523 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-10-19 17:59:23,524 INFO L429 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONMEMORY_FREE, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ENSURES_VIOLATIONMEMORY_LEAK, mainErr1ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr4ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr3ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr2ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr1REQUIRES_VIOLATION, expandArrayErr0REQUIRES_VIOLATION]=== [2020-10-19 17:59:23,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 17:59:23,524 INFO L82 PathProgramCache]: Analyzing trace with hash -170667482, now seen corresponding path program 1 times [2020-10-19 17:59:23,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 17:59:23,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1487509863] [2020-10-19 17:59:23,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-10-19 17:59:23,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 17:59:23,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 12 conjunts are in the unsatisfiable core [2020-10-19 17:59:23,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 17:59:23,678 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 17:59:23,679 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 17:59:23,689 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 17:59:23,690 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-19 17:59:23,690 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2020-10-19 17:59:23,750 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 17:59:23,750 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 17:59:24,237 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 17:59:24,238 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1487509863] [2020-10-19 17:59:24,238 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 17:59:24,238 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 11 [2020-10-19 17:59:24,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469628553] [2020-10-19 17:59:24,239 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-19 17:59:24,239 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 17:59:24,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-19 17:59:24,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-19 17:59:24,240 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand 12 states. [2020-10-19 17:59:24,821 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2020-10-19 17:59:25,328 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 21 [2020-10-19 17:59:25,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 17:59:25,802 INFO L93 Difference]: Finished difference Result 121 states and 129 transitions. [2020-10-19 17:59:25,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-19 17:59:25,803 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 17 [2020-10-19 17:59:25,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 17:59:25,804 INFO L225 Difference]: With dead ends: 121 [2020-10-19 17:59:25,804 INFO L226 Difference]: Without dead ends: 119 [2020-10-19 17:59:25,805 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=84, Invalid=258, Unknown=0, NotChecked=0, Total=342 [2020-10-19 17:59:25,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2020-10-19 17:59:25,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 63. [2020-10-19 17:59:25,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-10-19 17:59:25,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 71 transitions. [2020-10-19 17:59:25,815 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 71 transitions. Word has length 17 [2020-10-19 17:59:25,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 17:59:25,815 INFO L481 AbstractCegarLoop]: Abstraction has 63 states and 71 transitions. [2020-10-19 17:59:25,816 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-19 17:59:25,816 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 71 transitions. [2020-10-19 17:59:25,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-19 17:59:25,817 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 17:59:25,817 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 17:59:26,017 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-10-19 17:59:26,018 INFO L429 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONMEMORY_FREE, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ENSURES_VIOLATIONMEMORY_LEAK, mainErr1ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr4ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr3ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr2ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr1REQUIRES_VIOLATION, expandArrayErr0REQUIRES_VIOLATION]=== [2020-10-19 17:59:26,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 17:59:26,019 INFO L82 PathProgramCache]: Analyzing trace with hash 2028589773, now seen corresponding path program 1 times [2020-10-19 17:59:26,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 17:59:26,020 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [737325082] [2020-10-19 17:59:26,020 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 17:59:26,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 17:59:26,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-19 17:59:26,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 17:59:26,125 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 17:59:26,126 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 17:59:26,138 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 17:59:26,139 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [737325082] [2020-10-19 17:59:26,139 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 17:59:26,139 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-19 17:59:26,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227872039] [2020-10-19 17:59:26,140 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 17:59:26,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 17:59:26,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 17:59:26,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 17:59:26,141 INFO L87 Difference]: Start difference. First operand 63 states and 71 transitions. Second operand 3 states. [2020-10-19 17:59:26,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 17:59:26,146 INFO L93 Difference]: Finished difference Result 62 states and 70 transitions. [2020-10-19 17:59:26,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 17:59:26,147 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-19 17:59:26,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 17:59:26,149 INFO L225 Difference]: With dead ends: 62 [2020-10-19 17:59:26,150 INFO L226 Difference]: Without dead ends: 62 [2020-10-19 17:59:26,150 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 32 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 17:59:26,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-10-19 17:59:26,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2020-10-19 17:59:26,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-10-19 17:59:26,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 70 transitions. [2020-10-19 17:59:26,157 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 70 transitions. Word has length 17 [2020-10-19 17:59:26,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 17:59:26,158 INFO L481 AbstractCegarLoop]: Abstraction has 62 states and 70 transitions. [2020-10-19 17:59:26,158 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 17:59:26,158 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 70 transitions. [2020-10-19 17:59:26,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-19 17:59:26,159 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 17:59:26,159 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 17:59:26,372 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2020-10-19 17:59:26,373 INFO L429 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONMEMORY_FREE, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ENSURES_VIOLATIONMEMORY_LEAK, mainErr1ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr4ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr3ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr2ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr1REQUIRES_VIOLATION, expandArrayErr0REQUIRES_VIOLATION]=== [2020-10-19 17:59:26,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 17:59:26,373 INFO L82 PathProgramCache]: Analyzing trace with hash -1538226398, now seen corresponding path program 1 times [2020-10-19 17:59:26,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 17:59:26,374 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [719950361] [2020-10-19 17:59:26,375 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 17:59:26,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 17:59:26,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-19 17:59:26,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 17:59:26,514 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [719950361] [2020-10-19 17:59:26,514 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-19 17:59:26,515 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1138956841] [2020-10-19 17:59:26,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-10-19 17:59:26,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 17:59:26,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-19 17:59:26,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 17:59:26,700 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 17:59:26,700 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 17:59:26,711 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 17:59:26,711 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 17:59:26,711 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 2] imperfect sequences [] total 3 [2020-10-19 17:59:26,712 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351675061] [2020-10-19 17:59:26,712 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 17:59:26,712 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 17:59:26,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 17:59:26,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-19 17:59:26,713 INFO L87 Difference]: Start difference. First operand 62 states and 70 transitions. Second operand 4 states. [2020-10-19 17:59:26,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 17:59:26,768 INFO L93 Difference]: Finished difference Result 61 states and 69 transitions. [2020-10-19 17:59:26,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 17:59:26,768 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2020-10-19 17:59:26,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 17:59:26,770 INFO L225 Difference]: With dead ends: 61 [2020-10-19 17:59:26,770 INFO L226 Difference]: Without dead ends: 61 [2020-10-19 17:59:26,770 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 38 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-19 17:59:26,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2020-10-19 17:59:26,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2020-10-19 17:59:26,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2020-10-19 17:59:26,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 69 transitions. [2020-10-19 17:59:26,776 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 69 transitions. Word has length 18 [2020-10-19 17:59:26,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 17:59:26,776 INFO L481 AbstractCegarLoop]: Abstraction has 61 states and 69 transitions. [2020-10-19 17:59:26,776 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 17:59:26,776 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 69 transitions. [2020-10-19 17:59:26,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-19 17:59:26,777 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 17:59:26,777 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 17:59:27,189 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3,10 cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-10-19 17:59:27,190 INFO L429 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONMEMORY_FREE, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ENSURES_VIOLATIONMEMORY_LEAK, mainErr1ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr4ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr3ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr2ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr1REQUIRES_VIOLATION, expandArrayErr0REQUIRES_VIOLATION]=== [2020-10-19 17:59:27,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 17:59:27,190 INFO L82 PathProgramCache]: Analyzing trace with hash -440378001, now seen corresponding path program 1 times [2020-10-19 17:59:27,191 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 17:59:27,191 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2017734372] [2020-10-19 17:59:27,192 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 17:59:27,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 17:59:27,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-19 17:59:27,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 17:59:27,299 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 17:59:27,300 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 17:59:27,305 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 17:59:27,305 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-19 17:59:27,306 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-10-19 17:59:27,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 17:59:27,321 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 17:59:27,379 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 17:59:27,379 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2017734372] [2020-10-19 17:59:27,380 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 17:59:27,380 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-10-19 17:59:27,380 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255861761] [2020-10-19 17:59:27,380 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-19 17:59:27,381 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 17:59:27,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-19 17:59:27,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 17:59:27,381 INFO L87 Difference]: Start difference. First operand 61 states and 69 transitions. Second operand 5 states. [2020-10-19 17:59:27,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 17:59:27,509 INFO L93 Difference]: Finished difference Result 74 states and 82 transitions. [2020-10-19 17:59:27,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-19 17:59:27,510 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2020-10-19 17:59:27,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 17:59:27,511 INFO L225 Difference]: With dead ends: 74 [2020-10-19 17:59:27,511 INFO L226 Difference]: Without dead ends: 74 [2020-10-19 17:59:27,512 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 32 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-19 17:59:27,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-10-19 17:59:27,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 68. [2020-10-19 17:59:27,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-10-19 17:59:27,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 76 transitions. [2020-10-19 17:59:27,519 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 76 transitions. Word has length 19 [2020-10-19 17:59:27,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 17:59:27,519 INFO L481 AbstractCegarLoop]: Abstraction has 68 states and 76 transitions. [2020-10-19 17:59:27,519 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-19 17:59:27,519 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 76 transitions. [2020-10-19 17:59:27,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-19 17:59:27,520 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 17:59:27,520 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 17:59:27,721 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2020-10-19 17:59:27,722 INFO L429 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONMEMORY_FREE, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ENSURES_VIOLATIONMEMORY_LEAK, mainErr1ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr4ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr3ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr2ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr1REQUIRES_VIOLATION, expandArrayErr0REQUIRES_VIOLATION]=== [2020-10-19 17:59:27,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 17:59:27,722 INFO L82 PathProgramCache]: Analyzing trace with hash -766816059, now seen corresponding path program 1 times [2020-10-19 17:59:27,723 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 17:59:27,724 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [419565379] [2020-10-19 17:59:27,724 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 17:59:27,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 17:59:27,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-19 17:59:27,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 17:59:27,900 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 17:59:27,900 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 17:59:27,978 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 17:59:27,979 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [419565379] [2020-10-19 17:59:27,979 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 17:59:27,979 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2020-10-19 17:59:27,980 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515634710] [2020-10-19 17:59:27,980 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-19 17:59:27,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 17:59:27,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-19 17:59:27,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-10-19 17:59:27,981 INFO L87 Difference]: Start difference. First operand 68 states and 76 transitions. Second operand 10 states. [2020-10-19 17:59:28,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 17:59:28,144 INFO L93 Difference]: Finished difference Result 60 states and 67 transitions. [2020-10-19 17:59:28,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-19 17:59:28,146 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 20 [2020-10-19 17:59:28,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 17:59:28,147 INFO L225 Difference]: With dead ends: 60 [2020-10-19 17:59:28,147 INFO L226 Difference]: Without dead ends: 60 [2020-10-19 17:59:28,147 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-10-19 17:59:28,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-10-19 17:59:28,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2020-10-19 17:59:28,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-10-19 17:59:28,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 67 transitions. [2020-10-19 17:59:28,152 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 67 transitions. Word has length 20 [2020-10-19 17:59:28,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 17:59:28,152 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 67 transitions. [2020-10-19 17:59:28,152 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-19 17:59:28,153 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 67 transitions. [2020-10-19 17:59:28,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-19 17:59:28,153 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 17:59:28,153 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, 1] [2020-10-19 17:59:28,362 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2020-10-19 17:59:28,363 INFO L429 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONMEMORY_FREE, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ENSURES_VIOLATIONMEMORY_LEAK, mainErr1ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr4ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr3ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr2ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr1REQUIRES_VIOLATION, expandArrayErr0REQUIRES_VIOLATION]=== [2020-10-19 17:59:28,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 17:59:28,363 INFO L82 PathProgramCache]: Analyzing trace with hash 1360467952, now seen corresponding path program 1 times [2020-10-19 17:59:28,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 17:59:28,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1545454767] [2020-10-19 17:59:28,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2020-10-19 17:59:28,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 17:59:28,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-19 17:59:28,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 17:59:28,627 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 17:59:28,627 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 17:59:28,701 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 17:59:28,701 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1545454767] [2020-10-19 17:59:28,701 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 17:59:28,702 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 4] imperfect sequences [] total 9 [2020-10-19 17:59:28,702 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856721315] [2020-10-19 17:59:28,702 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-19 17:59:28,702 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 17:59:28,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-19 17:59:28,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-19 17:59:28,703 INFO L87 Difference]: Start difference. First operand 60 states and 67 transitions. Second operand 10 states. [2020-10-19 17:59:28,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 17:59:28,931 INFO L93 Difference]: Finished difference Result 59 states and 66 transitions. [2020-10-19 17:59:28,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-19 17:59:28,933 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 22 [2020-10-19 17:59:28,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 17:59:28,933 INFO L225 Difference]: With dead ends: 59 [2020-10-19 17:59:28,934 INFO L226 Difference]: Without dead ends: 59 [2020-10-19 17:59:28,934 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-19 17:59:28,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-10-19 17:59:28,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2020-10-19 17:59:28,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-10-19 17:59:28,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 66 transitions. [2020-10-19 17:59:28,940 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 66 transitions. Word has length 22 [2020-10-19 17:59:28,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 17:59:28,941 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 66 transitions. [2020-10-19 17:59:28,941 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-19 17:59:28,941 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 66 transitions. [2020-10-19 17:59:28,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-19 17:59:28,942 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 17:59:28,942 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, 1, 1, 1, 1, 1, 1] [2020-10-19 17:59:29,150 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3 [2020-10-19 17:59:29,150 INFO L429 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONMEMORY_FREE, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ENSURES_VIOLATIONMEMORY_LEAK, mainErr1ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr4ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr3ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr2ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr1REQUIRES_VIOLATION, expandArrayErr0REQUIRES_VIOLATION]=== [2020-10-19 17:59:29,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 17:59:29,151 INFO L82 PathProgramCache]: Analyzing trace with hash -1753462742, now seen corresponding path program 1 times [2020-10-19 17:59:29,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 17:59:29,152 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1991386990] [2020-10-19 17:59:29,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 17:59:29,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 17:59:29,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-19 17:59:29,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 17:59:29,296 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 17:59:29,296 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 17:59:29,339 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 17:59:29,340 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1991386990] [2020-10-19 17:59:29,340 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 17:59:29,340 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-10-19 17:59:29,340 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808911627] [2020-10-19 17:59:29,341 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-19 17:59:29,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 17:59:29,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-19 17:59:29,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 17:59:29,342 INFO L87 Difference]: Start difference. First operand 59 states and 66 transitions. Second operand 5 states. [2020-10-19 17:59:29,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 17:59:29,403 INFO L93 Difference]: Finished difference Result 59 states and 64 transitions. [2020-10-19 17:59:29,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-19 17:59:29,404 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-10-19 17:59:29,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 17:59:29,405 INFO L225 Difference]: With dead ends: 59 [2020-10-19 17:59:29,405 INFO L226 Difference]: Without dead ends: 59 [2020-10-19 17:59:29,406 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 50 SyntacticMatches, 0 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 17:59:29,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-10-19 17:59:29,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2020-10-19 17:59:29,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-10-19 17:59:29,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 64 transitions. [2020-10-19 17:59:29,410 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 64 transitions. Word has length 27 [2020-10-19 17:59:29,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 17:59:29,410 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 64 transitions. [2020-10-19 17:59:29,410 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-19 17:59:29,410 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 64 transitions. [2020-10-19 17:59:29,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-19 17:59:29,411 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 17:59:29,411 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 17:59:29,621 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 mathsat -unsat_core_generation=3 [2020-10-19 17:59:29,622 INFO L429 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONMEMORY_FREE, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ENSURES_VIOLATIONMEMORY_LEAK, mainErr1ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr4ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr3ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr2ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr1REQUIRES_VIOLATION, expandArrayErr0REQUIRES_VIOLATION]=== [2020-10-19 17:59:29,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 17:59:29,623 INFO L82 PathProgramCache]: Analyzing trace with hash 64890135, now seen corresponding path program 1 times [2020-10-19 17:59:29,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 17:59:29,624 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [221177641] [2020-10-19 17:59:29,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 15 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with mathsat -unsat_core_generation=3 [2020-10-19 17:59:29,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 17:59:29,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-19 17:59:29,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 17:59:29,770 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-19 17:59:29,770 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 17:59:29,802 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-19 17:59:29,803 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [221177641] [2020-10-19 17:59:29,803 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-19 17:59:29,803 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2020-10-19 17:59:29,804 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903289670] [2020-10-19 17:59:29,804 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-19 17:59:29,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 17:59:29,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-19 17:59:29,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-19 17:59:29,805 INFO L87 Difference]: Start difference. First operand 59 states and 64 transitions. Second operand 7 states. [2020-10-19 17:59:29,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 17:59:29,937 INFO L93 Difference]: Finished difference Result 65 states and 67 transitions. [2020-10-19 17:59:29,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-19 17:59:29,939 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 29 [2020-10-19 17:59:29,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 17:59:29,940 INFO L225 Difference]: With dead ends: 65 [2020-10-19 17:59:29,944 INFO L226 Difference]: Without dead ends: 59 [2020-10-19 17:59:29,945 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-19 17:59:29,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-10-19 17:59:29,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2020-10-19 17:59:29,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-10-19 17:59:29,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 61 transitions. [2020-10-19 17:59:29,954 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 61 transitions. Word has length 29 [2020-10-19 17:59:29,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 17:59:29,954 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 61 transitions. [2020-10-19 17:59:29,955 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-19 17:59:29,955 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 61 transitions. [2020-10-19 17:59:29,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-19 17:59:29,958 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 17:59:29,958 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 17:59:30,159 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 mathsat -unsat_core_generation=3 [2020-10-19 17:59:30,159 INFO L429 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONMEMORY_FREE, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ENSURES_VIOLATIONMEMORY_LEAK, mainErr1ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr4ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr3ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr2ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr1REQUIRES_VIOLATION, expandArrayErr0REQUIRES_VIOLATION]=== [2020-10-19 17:59:30,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 17:59:30,160 INFO L82 PathProgramCache]: Analyzing trace with hash -1742564328, now seen corresponding path program 1 times [2020-10-19 17:59:30,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 17:59:30,161 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1664240837] [2020-10-19 17:59:30,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 16 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with mathsat -unsat_core_generation=3 [2020-10-19 17:59:30,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 17:59:30,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-19 17:59:30,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 17:59:30,304 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-19 17:59:30,304 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 17:59:30,328 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-19 17:59:30,328 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1664240837] [2020-10-19 17:59:30,328 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 17:59:30,329 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-10-19 17:59:30,329 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619259425] [2020-10-19 17:59:30,330 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-19 17:59:30,330 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 17:59:30,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-19 17:59:30,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 17:59:30,330 INFO L87 Difference]: Start difference. First operand 59 states and 61 transitions. Second operand 5 states. [2020-10-19 17:59:30,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 17:59:30,366 INFO L93 Difference]: Finished difference Result 58 states and 60 transitions. [2020-10-19 17:59:30,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-19 17:59:30,367 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-10-19 17:59:30,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 17:59:30,368 INFO L225 Difference]: With dead ends: 58 [2020-10-19 17:59:30,368 INFO L226 Difference]: Without dead ends: 58 [2020-10-19 17:59:30,368 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 54 SyntacticMatches, 0 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 17:59:30,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2020-10-19 17:59:30,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 56. [2020-10-19 17:59:30,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-10-19 17:59:30,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 58 transitions. [2020-10-19 17:59:30,371 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 58 transitions. Word has length 29 [2020-10-19 17:59:30,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 17:59:30,372 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 58 transitions. [2020-10-19 17:59:30,372 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-19 17:59:30,372 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 58 transitions. [2020-10-19 17:59:30,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-19 17:59:30,373 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 17:59:30,373 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 17:59:30,581 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 mathsat -unsat_core_generation=3 [2020-10-19 17:59:30,582 INFO L429 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONMEMORY_FREE, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ENSURES_VIOLATIONMEMORY_LEAK, mainErr1ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr4ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr3ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr2ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr1REQUIRES_VIOLATION, expandArrayErr0REQUIRES_VIOLATION]=== [2020-10-19 17:59:30,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 17:59:30,582 INFO L82 PathProgramCache]: Analyzing trace with hash 188620705, now seen corresponding path program 1 times [2020-10-19 17:59:30,583 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 17:59:30,583 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [849953479] [2020-10-19 17:59:30,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 17 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with mathsat -unsat_core_generation=3 [2020-10-19 17:59:30,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 17:59:30,714 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 17:59:30,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 17:59:30,752 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 17:59:30,791 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-10-19 17:59:30,791 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-19 17:59:31,006 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 mathsat -unsat_core_generation=3 [2020-10-19 17:59:31,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 05:59:31 BoogieIcfgContainer [2020-10-19 17:59:31,050 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 17:59:31,050 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 17:59:31,051 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 17:59:31,051 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 17:59:31,051 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 05:59:20" (3/4) ... [2020-10-19 17:59:31,053 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-10-19 17:59:31,125 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 17:59:31,126 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 17:59:31,127 INFO L168 Benchmark]: Toolchain (without parser) took 11708.09 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 286.8 MB). Free memory was 960.0 MB in the beginning and 1.1 GB in the end (delta: -130.0 MB). Peak memory consumption was 156.8 MB. Max. memory is 11.5 GB. [2020-10-19 17:59:31,128 INFO L168 Benchmark]: CDTParser took 0.29 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 17:59:31,129 INFO L168 Benchmark]: CACSL2BoogieTranslator took 609.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -159.0 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2020-10-19 17:59:31,129 INFO L168 Benchmark]: Boogie Preprocessor took 68.77 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-10-19 17:59:31,130 INFO L168 Benchmark]: RCFGBuilder took 676.13 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: 51.6 MB). Peak memory consumption was 51.6 MB. Max. memory is 11.5 GB. [2020-10-19 17:59:31,130 INFO L168 Benchmark]: TraceAbstraction took 10266.10 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 147.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -34.6 MB). Peak memory consumption was 113.3 MB. Max. memory is 11.5 GB. [2020-10-19 17:59:31,131 INFO L168 Benchmark]: Witness Printer took 75.48 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 17:59:31,133 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 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 609.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -159.0 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 68.77 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 676.13 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: 51.6 MB). Peak memory consumption was 51.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10266.10 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 147.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -34.6 MB). Peak memory consumption was 113.3 MB. Max. memory is 11.5 GB. * Witness Printer took 75.48 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: - CounterExampleResult [Line: 538]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L512] int num; [L513] int ind, newsize, i = 1; VAL [\old(i)=5, \old(ind)=6, \old(newsize)=7, \old(num)=9, i=1, ind=0, newsize=0, num=0] [L528] num = __VERIFIER_nondet_int() [L529] COND FALSE !(!(num > 0 && num < 100)) [L532] int *a = (int *)malloc(sizeof(int)); VAL [\old(argc)=11, \old(newsize)=0, \old(num)=0, a={1:0}, argc=11, argv={13:12}, argv={13:12}, i=1, ind=0, malloc(sizeof(int))={1:0}, newsize=0, num=1] [L533] COND FALSE !(a == ((void *)0)) [L536] newsize = 0 VAL [\old(argc)=11, \old(newsize)=0, \old(num)=0, a={1:0}, argc=11, argv={13:12}, argv={13:12}, i=1, ind=0, malloc(sizeof(int))={1:0}, newsize=0, num=1] [L537] CALL expandArray(a) VAL [\old(newsize)=0, \old(num)=0, arg={1:0}, i=1, ind=0, newsize=0, num=1] [L515] int *a = (int *)arg; [L516] int *b = ((void *)0); VAL [\old(newsize)=0, \old(num)=0, a={1:0}, arg={1:0}, arg={1:0}, b={0:0}, i=1, ind=0, newsize=0, num=1] [L517] COND TRUE newsize < num [L518] newsize = newsize + 1 VAL [\old(newsize)=0, \old(num)=0, a={1:0}, arg={1:0}, arg={1:0}, b={0:0}, i=1, ind=0, newsize=1, num=1] [L519] EXPR, FCALL realloc(a, sizeof(int) * newsize) VAL [\old(newsize)=0, \old(num)=0, a={1:0}, arg={1:0}, arg={1:0}, b={0:0}, i=1, ind=0, newsize=1, num=1, realloc(a, sizeof(int) * newsize)={1:0}] [L519] b = realloc(a, sizeof(int) * newsize) [L520] b[newsize - 1] = i VAL [\old(newsize)=0, \old(num)=0, a={1:0}, arg={1:0}, arg={1:0}, b={1:0}, i=1, ind=0, newsize=1, num=1] [L521] a = b VAL [\old(newsize)=0, \old(num)=0, a={1:0}, arg={1:0}, arg={1:0}, b={1:0}, i=1, ind=0, newsize=1, num=1] [L517] COND FALSE !(newsize < num) VAL [\old(newsize)=0, \old(num)=0, a={1:0}, arg={1:0}, arg={1:0}, b={1:0}, i=1, ind=0, newsize=1, num=1] [L523] COND TRUE b != ((void *)0) VAL [\old(newsize)=0, \old(num)=0, a={1:0}, arg={1:0}, arg={1:0}, b={1:0}, i=1, ind=0, newsize=1, num=1] [L524] free(b) VAL [\old(newsize)=0, \old(num)=0, a={1:0}, arg={1:0}, arg={1:0}, b={1:0}, i=1, ind=0, newsize=1, num=1] [L524] free(b) VAL [\old(newsize)=0, \old(num)=0, a={1:0}, arg={1:0}, arg={1:0}, b={1:0}, i=1, ind=0, newsize=1, num=1] [L524] free(b) [L525] return 0; VAL [\old(newsize)=0, \old(num)=0, \result={0:0}, a={1:0}, arg={1:0}, arg={1:0}, b={1:0}, i=1, ind=0, newsize=1, num=1] [L537] RET expandArray(a) VAL [\old(argc)=11, \old(newsize)=0, \old(num)=0, a={1:0}, argc=11, argv={13:12}, argv={13:12}, expandArray(a)={0:0}, i=1, ind=0, malloc(sizeof(int))={1:0}, newsize=1, num=1] [L538] free(a) VAL [\old(argc)=11, \old(newsize)=0, \old(num)=0, a={1:0}, argc=11, argv={13:12}, argv={13:12}, i=1, ind=0, malloc(sizeof(int))={1:0}, newsize=1, num=1] [L538] free(a) VAL [\old(argc)=11, \old(newsize)=0, \old(num)=0, a={1:0}, argc=11, argv={13:12}, argv={13:12}, i=1, ind=0, malloc(sizeof(int))={1:0}, newsize=1, num=1] [L538] free(a) VAL [\old(argc)=11, \old(newsize)=0, \old(num)=0, a={1:0}, argc=11, argv={13:12}, argv={13:12}, i=1, ind=0, malloc(sizeof(int))={1:0}, newsize=1, num=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 63 locations, 9 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 10.1s, OverallIterations: 15, TraceHistogramMax: 2, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 468 SDtfs, 422 SDslu, 958 SDs, 0 SdLazy, 600 SolverSat, 77 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 536 GetRequests, 460 SyntacticMatches, 6 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=68occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 14 MinimizatonAttempts, 92 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 292 NumberOfCodeBlocks, 292 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 496 ConstructedInterpolants, 21 QuantifiedInterpolants, 28049 SizeOfPredicates, 19 NumberOfNonLiveVariables, 1347 ConjunctsInSsa, 69 ConjunctsInUnsatCore, 28 InterpolantComputations, 26 PerfectInterpolantSequences, 40/44 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 proved your program to be incorrect! Received shutdown request...