./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-ext-properties/test-0019_1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/list-ext-properties/test-0019_1-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash eb5e103dbe59a250cbe01613b667895523582d5d ............................................................................................................................ 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/list-ext-properties/test-0019_1-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash eb5e103dbe59a250cbe01613b667895523582d5d .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: incompatible size --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 02:37:01,167 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 02:37:01,170 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 02:37:01,189 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 02:37:01,189 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 02:37:01,191 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 02:37:01,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 02:37:01,202 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 02:37:01,207 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 02:37:01,210 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 02:37:01,211 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 02:37:01,212 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 02:37:01,213 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 02:37:01,214 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 02:37:01,215 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 02:37:01,216 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 02:37:01,216 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 02:37:01,217 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 02:37:01,219 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 02:37:01,221 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 02:37:01,222 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 02:37:01,224 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 02:37:01,225 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 02:37:01,226 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 02:37:01,228 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 02:37:01,228 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 02:37:01,229 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 02:37:01,230 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 02:37:01,230 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 02:37:01,231 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 02:37:01,231 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 02:37:01,232 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 02:37:01,233 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 02:37:01,234 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 02:37:01,235 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 02:37:01,235 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 02:37:01,236 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 02:37:01,236 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 02:37:01,237 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 02:37:01,238 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 02:37:01,238 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 02:37:01,239 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-28 02:37:01,253 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 02:37:01,254 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 02:37:01,255 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 02:37:01,255 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 02:37:01,256 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 02:37:01,256 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 02:37:01,256 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 02:37:01,257 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 02:37:01,257 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 02:37:01,257 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 02:37:01,257 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 02:37:01,258 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 02:37:01,258 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 02:37:01,258 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 02:37:01,258 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 02:37:01,259 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 02:37:01,259 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 02:37:01,259 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 02:37:01,260 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 02:37:01,260 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 02:37:01,260 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 02:37:01,260 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 02:37:01,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 02:37:01,261 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 02:37:01,261 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 02:37:01,262 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 02:37:01,262 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 02:37:01,262 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 -> eb5e103dbe59a250cbe01613b667895523582d5d [2019-11-28 02:37:01,566 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 02:37:01,581 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 02:37:01,584 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 02:37:01,586 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 02:37:01,586 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 02:37:01,587 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext-properties/test-0019_1-1.i [2019-11-28 02:37:01,660 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a917937b/5cb823f9d9a64221ac4d23261e2ac45d/FLAG3d47bec7a [2019-11-28 02:37:02,205 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 02:37:02,206 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext-properties/test-0019_1-1.i [2019-11-28 02:37:02,233 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a917937b/5cb823f9d9a64221ac4d23261e2ac45d/FLAG3d47bec7a [2019-11-28 02:37:02,485 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a917937b/5cb823f9d9a64221ac4d23261e2ac45d [2019-11-28 02:37:02,488 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 02:37:02,490 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 02:37:02,494 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 02:37:02,494 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 02:37:02,498 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 02:37:02,499 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:37:02" (1/1) ... [2019-11-28 02:37:02,501 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e8250b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:02, skipping insertion in model container [2019-11-28 02:37:02,502 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:37:02" (1/1) ... [2019-11-28 02:37:02,510 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 02:37:02,566 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 02:37:02,973 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:37:02,985 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2019-11-28 02:37:02,986 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3dcb0d10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:02, skipping insertion in model container [2019-11-28 02:37:02,986 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 02:37:02,987 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-28 02:37:02,990 INFO L168 Benchmark]: Toolchain (without parser) took 498.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -151.0 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2019-11-28 02:37:02,991 INFO L168 Benchmark]: CDTParser took 1.54 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:37:02,992 INFO L168 Benchmark]: CACSL2BoogieTranslator took 492.84 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -151.0 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2019-11-28 02:37:02,995 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.54 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 492.84 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -151.0 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 518]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-30f4e4a [2019-11-28 02:37:04,872 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 02:37:04,874 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 02:37:04,890 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 02:37:04,891 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 02:37:04,893 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 02:37:04,895 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 02:37:04,904 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 02:37:04,910 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 02:37:04,914 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 02:37:04,915 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 02:37:04,917 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 02:37:04,917 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 02:37:04,920 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 02:37:04,921 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 02:37:04,923 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 02:37:04,924 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 02:37:04,925 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 02:37:04,928 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 02:37:04,932 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 02:37:04,935 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 02:37:04,936 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 02:37:04,937 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 02:37:04,939 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 02:37:04,941 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 02:37:04,941 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 02:37:04,942 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 02:37:04,943 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 02:37:04,943 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 02:37:04,944 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 02:37:04,945 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 02:37:04,945 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 02:37:04,946 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 02:37:04,947 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 02:37:04,948 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 02:37:04,948 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 02:37:04,949 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 02:37:04,950 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 02:37:04,950 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 02:37:04,951 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 02:37:04,952 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 02:37:04,953 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-28 02:37:04,967 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 02:37:04,968 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 02:37:04,969 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 02:37:04,969 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 02:37:04,969 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 02:37:04,970 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 02:37:04,970 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 02:37:04,970 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 02:37:04,971 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 02:37:04,971 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 02:37:04,971 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 02:37:04,971 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 02:37:04,972 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 02:37:04,972 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 02:37:04,972 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 02:37:04,972 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 02:37:04,973 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 02:37:04,973 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 02:37:04,973 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 02:37:04,974 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 02:37:04,974 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 02:37:04,974 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 02:37:04,974 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 02:37:04,975 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 02:37:04,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 02:37:04,975 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 02:37:04,976 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 02:37:04,976 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 02:37:04,976 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 02:37:04,976 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 02:37:04,977 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 -> eb5e103dbe59a250cbe01613b667895523582d5d [2019-11-28 02:37:05,273 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 02:37:05,287 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 02:37:05,291 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 02:37:05,294 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 02:37:05,294 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 02:37:05,295 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext-properties/test-0019_1-1.i [2019-11-28 02:37:05,373 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/358417887/768938b680544aaaa1be949d5831ce7c/FLAGc9f2f600a [2019-11-28 02:37:05,907 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 02:37:05,908 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext-properties/test-0019_1-1.i [2019-11-28 02:37:05,922 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/358417887/768938b680544aaaa1be949d5831ce7c/FLAGc9f2f600a [2019-11-28 02:37:06,223 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/358417887/768938b680544aaaa1be949d5831ce7c [2019-11-28 02:37:06,226 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 02:37:06,228 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 02:37:06,229 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 02:37:06,230 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 02:37:06,233 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 02:37:06,234 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:37:06" (1/1) ... [2019-11-28 02:37:06,237 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ad64629 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:06, skipping insertion in model container [2019-11-28 02:37:06,237 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:37:06" (1/1) ... [2019-11-28 02:37:06,244 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 02:37:06,296 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 02:37:06,748 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:37:06,769 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-28 02:37:06,781 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 02:37:06,832 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:37:06,845 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 02:37:06,884 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:37:06,942 INFO L208 MainTranslator]: Completed translation [2019-11-28 02:37:06,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:06 WrapperNode [2019-11-28 02:37:06,943 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 02:37:06,944 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 02:37:06,945 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 02:37:06,945 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 02:37:06,959 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:06" (1/1) ... [2019-11-28 02:37:06,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:06" (1/1) ... [2019-11-28 02:37:06,987 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:06" (1/1) ... [2019-11-28 02:37:06,989 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:06" (1/1) ... [2019-11-28 02:37:07,010 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:06" (1/1) ... [2019-11-28 02:37:07,012 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:06" (1/1) ... [2019-11-28 02:37:07,017 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:06" (1/1) ... [2019-11-28 02:37:07,025 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 02:37:07,025 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 02:37:07,026 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 02:37:07,026 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 02:37:07,027 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 02:37:07,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-28 02:37:07,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 02:37:07,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-28 02:37:07,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-28 02:37:07,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-28 02:37:07,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-28 02:37:07,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-28 02:37:07,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-28 02:37:07,090 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_data [2019-11-28 02:37:07,090 INFO L138 BoogieDeclarations]: Found implementation of procedure free_data [2019-11-28 02:37:07,090 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-28 02:37:07,091 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-28 02:37:07,091 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-28 02:37:07,092 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-28 02:37:07,092 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-28 02:37:07,092 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-28 02:37:07,093 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-28 02:37:07,093 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-28 02:37:07,093 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-28 02:37:07,094 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-28 02:37:07,095 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-28 02:37:07,096 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-28 02:37:07,097 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-28 02:37:07,097 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-28 02:37:07,097 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-28 02:37:07,097 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-28 02:37:07,097 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-28 02:37:07,098 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-28 02:37:07,098 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-28 02:37:07,098 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-28 02:37:07,098 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-28 02:37:07,099 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-28 02:37:07,099 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-28 02:37:07,099 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-28 02:37:07,099 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-28 02:37:07,099 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-28 02:37:07,100 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-28 02:37:07,100 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-28 02:37:07,100 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-28 02:37:07,100 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-28 02:37:07,100 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-28 02:37:07,101 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-28 02:37:07,101 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-28 02:37:07,101 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-28 02:37:07,101 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-28 02:37:07,101 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-28 02:37:07,102 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-28 02:37:07,102 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-28 02:37:07,102 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-28 02:37:07,102 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-28 02:37:07,103 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-28 02:37:07,103 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-28 02:37:07,103 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-28 02:37:07,104 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-28 02:37:07,104 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-28 02:37:07,104 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-28 02:37:07,104 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-28 02:37:07,104 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-28 02:37:07,105 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-28 02:37:07,105 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-28 02:37:07,105 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-28 02:37:07,105 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-28 02:37:07,105 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-28 02:37:07,107 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-28 02:37:07,107 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-28 02:37:07,107 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-28 02:37:07,107 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-28 02:37:07,109 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-28 02:37:07,109 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-28 02:37:07,110 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-28 02:37:07,110 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-28 02:37:07,111 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-28 02:37:07,111 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-28 02:37:07,111 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-28 02:37:07,111 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-28 02:37:07,111 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-28 02:37:07,111 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-28 02:37:07,112 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-28 02:37:07,112 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-28 02:37:07,112 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-28 02:37:07,112 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-28 02:37:07,112 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-28 02:37:07,112 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-28 02:37:07,113 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-28 02:37:07,113 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-28 02:37:07,113 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-28 02:37:07,113 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-28 02:37:07,113 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-28 02:37:07,113 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-28 02:37:07,113 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-28 02:37:07,113 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-28 02:37:07,113 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-28 02:37:07,114 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-28 02:37:07,114 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-28 02:37:07,114 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-28 02:37:07,114 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-28 02:37:07,114 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-28 02:37:07,114 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-28 02:37:07,114 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-28 02:37:07,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-28 02:37:07,115 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-28 02:37:07,115 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-28 02:37:07,115 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-28 02:37:07,115 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-28 02:37:07,116 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-28 02:37:07,116 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-28 02:37:07,116 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-28 02:37:07,116 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-28 02:37:07,116 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-28 02:37:07,116 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-28 02:37:07,117 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-28 02:37:07,117 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-28 02:37:07,117 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-28 02:37:07,117 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-28 02:37:07,118 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-28 02:37:07,118 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-28 02:37:07,118 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-28 02:37:07,118 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-28 02:37:07,118 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-28 02:37:07,119 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_data [2019-11-28 02:37:07,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 02:37:07,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-28 02:37:07,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-28 02:37:07,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 02:37:07,120 INFO L130 BoogieDeclarations]: Found specification of procedure free_data [2019-11-28 02:37:07,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 02:37:07,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 02:37:07,120 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-28 02:37:07,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 02:37:07,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-28 02:37:07,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 02:37:07,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-28 02:37:07,824 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 02:37:07,825 INFO L297 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-28 02:37:07,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:37:07 BoogieIcfgContainer [2019-11-28 02:37:07,827 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 02:37:07,828 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 02:37:07,828 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 02:37:07,831 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 02:37:07,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:37:06" (1/3) ... [2019-11-28 02:37:07,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73f63f75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:37:07, skipping insertion in model container [2019-11-28 02:37:07,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:06" (2/3) ... [2019-11-28 02:37:07,834 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73f63f75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:37:07, skipping insertion in model container [2019-11-28 02:37:07,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:37:07" (3/3) ... [2019-11-28 02:37:07,836 INFO L109 eAbstractionObserver]: Analyzing ICFG test-0019_1-1.i [2019-11-28 02:37:07,846 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 02:37:07,856 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 31 error locations. [2019-11-28 02:37:07,870 INFO L249 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2019-11-28 02:37:07,893 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 02:37:07,894 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-28 02:37:07,894 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 02:37:07,894 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 02:37:07,894 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 02:37:07,895 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 02:37:07,895 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 02:37:07,895 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 02:37:07,920 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states. [2019-11-28 02:37:07,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-28 02:37:07,933 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:37:07,934 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:37:07,935 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, alloc_dataErr4REQUIRES_VIOLATION, alloc_dataErr9REQUIRES_VIOLATION, alloc_dataErr3REQUIRES_VIOLATION, alloc_dataErr8REQUIRES_VIOLATION, alloc_dataErr2REQUIRES_VIOLATION, alloc_dataErr7REQUIRES_VIOLATION, alloc_dataErr1REQUIRES_VIOLATION, alloc_dataErr6REQUIRES_VIOLATION, alloc_dataErr11REQUIRES_VIOLATION, alloc_dataErr0REQUIRES_VIOLATION, alloc_dataErr5REQUIRES_VIOLATION, alloc_dataErr10REQUIRES_VIOLATION, free_dataErr7REQUIRES_VIOLATION, free_dataErr8ASSERT_VIOLATIONMEMORY_FREE, free_dataErr17REQUIRES_VIOLATION, free_dataErr6REQUIRES_VIOLATION, free_dataErr9ASSERT_VIOLATIONMEMORY_FREE, free_dataErr16REQUIRES_VIOLATION, free_dataErr5REQUIRES_VIOLATION, free_dataErr1REQUIRES_VIOLATION, free_dataErr0REQUIRES_VIOLATION, free_dataErr15REQUIRES_VIOLATION, free_dataErr4REQUIRES_VIOLATION, free_dataErr10ASSERT_VIOLATIONMEMORY_FREE, free_dataErr14REQUIRES_VIOLATION, free_dataErr3REQUIRES_VIOLATION, free_dataErr11ASSERT_VIOLATIONMEMORY_FREE, free_dataErr13ASSERT_VIOLATIONMEMORY_FREE, free_dataErr2REQUIRES_VIOLATION, free_dataErr12ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-28 02:37:07,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:37:07,942 INFO L82 PathProgramCache]: Analyzing trace with hash -938857155, now seen corresponding path program 1 times [2019-11-28 02:37:07,956 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:37:07,956 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1684177359] [2019-11-28 02:37:07,957 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-28 02:37:08,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:37:08,142 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-28 02:37:08,150 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:37:08,241 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-28 02:37:08,242 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 02:37:08,251 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:37:08,251 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 02:37:08,252 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-28 02:37:08,309 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:37:08,310 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 30 [2019-11-28 02:37:08,314 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 02:37:08,337 INFO L588 ElimStorePlain]: treesize reduction 14, result has 44.0 percent of original size [2019-11-28 02:37:08,338 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-28 02:37:08,339 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:11 [2019-11-28 02:37:08,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:37:08,364 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:37:08,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:37:08,392 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1684177359] [2019-11-28 02:37:08,393 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:37:08,394 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-28 02:37:08,395 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684198027] [2019-11-28 02:37:08,400 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 02:37:08,400 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 02:37:08,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 02:37:08,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 02:37:08,419 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 5 states. [2019-11-28 02:37:08,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:37:08,720 INFO L93 Difference]: Finished difference Result 70 states and 70 transitions. [2019-11-28 02:37:08,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 02:37:08,723 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2019-11-28 02:37:08,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:37:08,733 INFO L225 Difference]: With dead ends: 70 [2019-11-28 02:37:08,734 INFO L226 Difference]: Without dead ends: 67 [2019-11-28 02:37:08,736 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-28 02:37:08,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2019-11-28 02:37:08,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2019-11-28 02:37:08,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2019-11-28 02:37:08,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 67 transitions. [2019-11-28 02:37:08,782 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 67 transitions. Word has length 9 [2019-11-28 02:37:08,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:37:08,782 INFO L462 AbstractCegarLoop]: Abstraction has 67 states and 67 transitions. [2019-11-28 02:37:08,782 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 02:37:08,783 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 67 transitions. [2019-11-28 02:37:08,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-28 02:37:08,783 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:37:08,783 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:37:08,984 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-28 02:37:08,985 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, alloc_dataErr4REQUIRES_VIOLATION, alloc_dataErr9REQUIRES_VIOLATION, alloc_dataErr3REQUIRES_VIOLATION, alloc_dataErr8REQUIRES_VIOLATION, alloc_dataErr2REQUIRES_VIOLATION, alloc_dataErr7REQUIRES_VIOLATION, alloc_dataErr1REQUIRES_VIOLATION, alloc_dataErr6REQUIRES_VIOLATION, alloc_dataErr11REQUIRES_VIOLATION, alloc_dataErr0REQUIRES_VIOLATION, alloc_dataErr5REQUIRES_VIOLATION, alloc_dataErr10REQUIRES_VIOLATION, free_dataErr7REQUIRES_VIOLATION, free_dataErr8ASSERT_VIOLATIONMEMORY_FREE, free_dataErr17REQUIRES_VIOLATION, free_dataErr6REQUIRES_VIOLATION, free_dataErr9ASSERT_VIOLATIONMEMORY_FREE, free_dataErr16REQUIRES_VIOLATION, free_dataErr5REQUIRES_VIOLATION, free_dataErr1REQUIRES_VIOLATION, free_dataErr0REQUIRES_VIOLATION, free_dataErr15REQUIRES_VIOLATION, free_dataErr4REQUIRES_VIOLATION, free_dataErr10ASSERT_VIOLATIONMEMORY_FREE, free_dataErr14REQUIRES_VIOLATION, free_dataErr3REQUIRES_VIOLATION, free_dataErr11ASSERT_VIOLATIONMEMORY_FREE, free_dataErr13ASSERT_VIOLATIONMEMORY_FREE, free_dataErr2REQUIRES_VIOLATION, free_dataErr12ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-28 02:37:08,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:37:08,985 INFO L82 PathProgramCache]: Analyzing trace with hash -938857154, now seen corresponding path program 1 times [2019-11-28 02:37:08,986 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:37:08,986 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2091740354] [2019-11-28 02:37:08,986 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-28 02:37:09,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:37:09,106 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-28 02:37:09,109 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:37:09,119 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-28 02:37:09,120 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 02:37:09,131 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:37:09,135 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-28 02:37:09,136 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 02:37:09,145 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:37:09,145 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 02:37:09,146 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-11-28 02:37:09,198 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:37:09,199 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 17 [2019-11-28 02:37:09,200 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 02:37:09,215 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:37:09,222 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-11-28 02:37:09,224 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 02:37:09,247 INFO L588 ElimStorePlain]: treesize reduction 4, result has 77.8 percent of original size [2019-11-28 02:37:09,248 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-28 02:37:09,249 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:27, output treesize:14 [2019-11-28 02:37:09,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:37:09,274 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:37:09,335 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 02:37:09,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:37:09,557 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2091740354] [2019-11-28 02:37:09,557 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:37:09,557 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-11-28 02:37:09,557 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095918749] [2019-11-28 02:37:09,559 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-28 02:37:09,560 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 02:37:09,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-28 02:37:09,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-28 02:37:09,561 INFO L87 Difference]: Start difference. First operand 67 states and 67 transitions. Second operand 8 states. [2019-11-28 02:37:10,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:37:10,440 INFO L93 Difference]: Finished difference Result 65 states and 65 transitions. [2019-11-28 02:37:10,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 02:37:10,445 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 9 [2019-11-28 02:37:10,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:37:10,446 INFO L225 Difference]: With dead ends: 65 [2019-11-28 02:37:10,447 INFO L226 Difference]: Without dead ends: 65 [2019-11-28 02:37:10,448 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2019-11-28 02:37:10,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2019-11-28 02:37:10,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2019-11-28 02:37:10,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-11-28 02:37:10,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 65 transitions. [2019-11-28 02:37:10,456 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 65 transitions. Word has length 9 [2019-11-28 02:37:10,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:37:10,457 INFO L462 AbstractCegarLoop]: Abstraction has 65 states and 65 transitions. [2019-11-28 02:37:10,457 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-28 02:37:10,457 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 65 transitions. [2019-11-28 02:37:10,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-28 02:37:10,458 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:37:10,458 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:37:10,671 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-28 02:37:10,672 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, alloc_dataErr4REQUIRES_VIOLATION, alloc_dataErr9REQUIRES_VIOLATION, alloc_dataErr3REQUIRES_VIOLATION, alloc_dataErr8REQUIRES_VIOLATION, alloc_dataErr2REQUIRES_VIOLATION, alloc_dataErr7REQUIRES_VIOLATION, alloc_dataErr1REQUIRES_VIOLATION, alloc_dataErr6REQUIRES_VIOLATION, alloc_dataErr11REQUIRES_VIOLATION, alloc_dataErr0REQUIRES_VIOLATION, alloc_dataErr5REQUIRES_VIOLATION, alloc_dataErr10REQUIRES_VIOLATION, free_dataErr7REQUIRES_VIOLATION, free_dataErr8ASSERT_VIOLATIONMEMORY_FREE, free_dataErr17REQUIRES_VIOLATION, free_dataErr6REQUIRES_VIOLATION, free_dataErr9ASSERT_VIOLATIONMEMORY_FREE, free_dataErr16REQUIRES_VIOLATION, free_dataErr5REQUIRES_VIOLATION, free_dataErr1REQUIRES_VIOLATION, free_dataErr0REQUIRES_VIOLATION, free_dataErr15REQUIRES_VIOLATION, free_dataErr4REQUIRES_VIOLATION, free_dataErr10ASSERT_VIOLATIONMEMORY_FREE, free_dataErr14REQUIRES_VIOLATION, free_dataErr3REQUIRES_VIOLATION, free_dataErr11ASSERT_VIOLATIONMEMORY_FREE, free_dataErr13ASSERT_VIOLATIONMEMORY_FREE, free_dataErr2REQUIRES_VIOLATION, free_dataErr12ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-28 02:37:10,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:37:10,674 INFO L82 PathProgramCache]: Analyzing trace with hash -298593473, now seen corresponding path program 1 times [2019-11-28 02:37:10,675 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:37:10,675 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1549045722] [2019-11-28 02:37:10,676 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-28 02:37:10,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:37:10,775 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 17 conjunts are in the unsatisfiable core [2019-11-28 02:37:10,778 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:37:10,794 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-28 02:37:10,794 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 02:37:10,805 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:37:10,811 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-28 02:37:10,811 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 02:37:10,819 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:37:10,820 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 02:37:10,820 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-11-28 02:37:10,873 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 02:37:10,875 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-11-28 02:37:10,876 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 02:37:10,893 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:37:10,913 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 02:37:10,915 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2019-11-28 02:37:10,916 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 02:37:10,931 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:37:10,932 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-28 02:37:10,933 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:27, output treesize:14 [2019-11-28 02:37:10,990 INFO L404 ElimStorePlain]: Different costs {1=[|v_#valid_67|], 3=[|v_#length_43|]} [2019-11-28 02:37:11,005 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:37:11,006 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2019-11-28 02:37:11,008 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 02:37:11,026 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:37:11,059 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:37:11,060 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 46 [2019-11-28 02:37:11,062 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 02:37:11,101 INFO L588 ElimStorePlain]: treesize reduction 28, result has 40.4 percent of original size [2019-11-28 02:37:11,102 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-28 02:37:11,103 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:32, output treesize:19 [2019-11-28 02:37:11,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:37:11,127 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:37:11,175 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 02:37:11,272 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 02:37:11,299 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:37:11,300 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 17 [2019-11-28 02:37:11,301 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 02:37:11,322 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:37:11,323 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 17 [2019-11-28 02:37:11,324 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 02:37:11,355 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:37:11,357 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2019-11-28 02:37:11,357 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:44, output treesize:22 [2019-11-28 02:37:11,400 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 02:37:11,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:37:11,613 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1549045722] [2019-11-28 02:37:11,613 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:37:11,613 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2019-11-28 02:37:11,614 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713384841] [2019-11-28 02:37:11,614 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-28 02:37:11,614 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 02:37:11,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-28 02:37:11,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2019-11-28 02:37:11,615 INFO L87 Difference]: Start difference. First operand 65 states and 65 transitions. Second operand 10 states. [2019-11-28 02:37:12,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:37:12,463 INFO L93 Difference]: Finished difference Result 63 states and 63 transitions. [2019-11-28 02:37:12,464 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 02:37:12,464 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 11 [2019-11-28 02:37:12,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:37:12,465 INFO L225 Difference]: With dead ends: 63 [2019-11-28 02:37:12,465 INFO L226 Difference]: Without dead ends: 63 [2019-11-28 02:37:12,466 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 11 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2019-11-28 02:37:12,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2019-11-28 02:37:12,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2019-11-28 02:37:12,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2019-11-28 02:37:12,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 63 transitions. [2019-11-28 02:37:12,473 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 63 transitions. Word has length 11 [2019-11-28 02:37:12,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:37:12,473 INFO L462 AbstractCegarLoop]: Abstraction has 63 states and 63 transitions. [2019-11-28 02:37:12,474 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-28 02:37:12,474 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 63 transitions. [2019-11-28 02:37:12,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-28 02:37:12,474 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:37:12,475 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:37:12,676 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-28 02:37:12,676 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, alloc_dataErr4REQUIRES_VIOLATION, alloc_dataErr9REQUIRES_VIOLATION, alloc_dataErr3REQUIRES_VIOLATION, alloc_dataErr8REQUIRES_VIOLATION, alloc_dataErr2REQUIRES_VIOLATION, alloc_dataErr7REQUIRES_VIOLATION, alloc_dataErr1REQUIRES_VIOLATION, alloc_dataErr6REQUIRES_VIOLATION, alloc_dataErr11REQUIRES_VIOLATION, alloc_dataErr0REQUIRES_VIOLATION, alloc_dataErr5REQUIRES_VIOLATION, alloc_dataErr10REQUIRES_VIOLATION, free_dataErr7REQUIRES_VIOLATION, free_dataErr8ASSERT_VIOLATIONMEMORY_FREE, free_dataErr17REQUIRES_VIOLATION, free_dataErr6REQUIRES_VIOLATION, free_dataErr9ASSERT_VIOLATIONMEMORY_FREE, free_dataErr16REQUIRES_VIOLATION, free_dataErr5REQUIRES_VIOLATION, free_dataErr1REQUIRES_VIOLATION, free_dataErr0REQUIRES_VIOLATION, free_dataErr15REQUIRES_VIOLATION, free_dataErr4REQUIRES_VIOLATION, free_dataErr10ASSERT_VIOLATIONMEMORY_FREE, free_dataErr14REQUIRES_VIOLATION, free_dataErr3REQUIRES_VIOLATION, free_dataErr11ASSERT_VIOLATIONMEMORY_FREE, free_dataErr13ASSERT_VIOLATIONMEMORY_FREE, free_dataErr2REQUIRES_VIOLATION, free_dataErr12ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-28 02:37:12,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:37:12,678 INFO L82 PathProgramCache]: Analyzing trace with hash 814480769, now seen corresponding path program 1 times [2019-11-28 02:37:12,679 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:37:12,679 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2052788093] [2019-11-28 02:37:12,679 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-11-28 02:37:12,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:37:12,788 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-28 02:37:12,790 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:37:12,796 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-28 02:37:12,796 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 02:37:12,798 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:37:12,798 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 02:37:12,799 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-28 02:37:12,811 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 11 treesize of output 7 [2019-11-28 02:37:12,812 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 02:37:12,818 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:37:12,818 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 02:37:12,819 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:11 [2019-11-28 02:37:12,860 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:37:12,861 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 61 [2019-11-28 02:37:12,862 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 02:37:12,887 INFO L588 ElimStorePlain]: treesize reduction 26, result has 46.9 percent of original size [2019-11-28 02:37:12,888 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 02:37:12,888 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:23 [2019-11-28 02:37:12,929 INFO L343 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2019-11-28 02:37:12,930 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 26 [2019-11-28 02:37:12,930 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 02:37:12,948 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:37:12,950 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 02:37:12,950 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:35 [2019-11-28 02:37:12,985 INFO L343 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2019-11-28 02:37:12,985 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 18 [2019-11-28 02:37:12,986 INFO L508 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-28 02:37:12,995 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:37:12,996 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-28 02:37:12,997 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:42, output treesize:17 [2019-11-28 02:37:13,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:37:13,017 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:37:13,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:37:13,093 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2052788093] [2019-11-28 02:37:13,093 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:37:13,093 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 5] imperfect sequences [] total 9 [2019-11-28 02:37:13,094 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128354148] [2019-11-28 02:37:13,094 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-28 02:37:13,094 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 02:37:13,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-28 02:37:13,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2019-11-28 02:37:13,095 INFO L87 Difference]: Start difference. First operand 63 states and 63 transitions. Second operand 10 states. [2019-11-28 02:37:13,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:37:13,602 INFO L93 Difference]: Finished difference Result 62 states and 62 transitions. [2019-11-28 02:37:13,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 02:37:13,602 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 13 [2019-11-28 02:37:13,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:37:13,604 INFO L225 Difference]: With dead ends: 62 [2019-11-28 02:37:13,604 INFO L226 Difference]: Without dead ends: 62 [2019-11-28 02:37:13,605 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2019-11-28 02:37:13,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2019-11-28 02:37:13,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2019-11-28 02:37:13,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2019-11-28 02:37:13,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 62 transitions. [2019-11-28 02:37:13,612 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 62 transitions. Word has length 13 [2019-11-28 02:37:13,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:37:13,612 INFO L462 AbstractCegarLoop]: Abstraction has 62 states and 62 transitions. [2019-11-28 02:37:13,613 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-28 02:37:13,613 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 62 transitions. [2019-11-28 02:37:13,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-28 02:37:13,613 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:37:13,614 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:37:13,815 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-28 02:37:13,816 INFO L410 AbstractCegarLoop]: === Iteration 5 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, alloc_dataErr4REQUIRES_VIOLATION, alloc_dataErr9REQUIRES_VIOLATION, alloc_dataErr3REQUIRES_VIOLATION, alloc_dataErr8REQUIRES_VIOLATION, alloc_dataErr2REQUIRES_VIOLATION, alloc_dataErr7REQUIRES_VIOLATION, alloc_dataErr1REQUIRES_VIOLATION, alloc_dataErr6REQUIRES_VIOLATION, alloc_dataErr11REQUIRES_VIOLATION, alloc_dataErr0REQUIRES_VIOLATION, alloc_dataErr5REQUIRES_VIOLATION, alloc_dataErr10REQUIRES_VIOLATION, free_dataErr7REQUIRES_VIOLATION, free_dataErr8ASSERT_VIOLATIONMEMORY_FREE, free_dataErr17REQUIRES_VIOLATION, free_dataErr6REQUIRES_VIOLATION, free_dataErr9ASSERT_VIOLATIONMEMORY_FREE, free_dataErr16REQUIRES_VIOLATION, free_dataErr5REQUIRES_VIOLATION, free_dataErr1REQUIRES_VIOLATION, free_dataErr0REQUIRES_VIOLATION, free_dataErr15REQUIRES_VIOLATION, free_dataErr4REQUIRES_VIOLATION, free_dataErr10ASSERT_VIOLATIONMEMORY_FREE, free_dataErr14REQUIRES_VIOLATION, free_dataErr3REQUIRES_VIOLATION, free_dataErr11ASSERT_VIOLATIONMEMORY_FREE, free_dataErr13ASSERT_VIOLATIONMEMORY_FREE, free_dataErr2REQUIRES_VIOLATION, free_dataErr12ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-28 02:37:13,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:37:13,817 INFO L82 PathProgramCache]: Analyzing trace with hash 814480770, now seen corresponding path program 1 times [2019-11-28 02:37:13,818 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:37:13,818 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [825502508] [2019-11-28 02:37:13,818 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-11-28 02:37:13,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:37:13,925 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-28 02:37:13,927 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:37:13,933 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-28 02:37:13,934 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 02:37:13,944 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:37:13,954 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-28 02:37:13,954 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 02:37:13,968 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:37:13,968 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 02:37:13,969 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-11-28 02:37:13,991 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 11 treesize of output 7 [2019-11-28 02:37:13,991 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 02:37:14,007 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:37:14,012 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 11 treesize of output 7 [2019-11-28 02:37:14,013 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 02:37:14,026 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:37:14,027 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 02:37:14,027 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:37, output treesize:30 [2019-11-28 02:37:14,061 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:37:14,061 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 21 [2019-11-28 02:37:14,062 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 02:37:14,080 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:37:14,085 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2019-11-28 02:37:14,086 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 02:37:14,099 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:37:14,099 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 02:37:14,099 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:41, output treesize:32 [2019-11-28 02:37:14,143 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 02:37:14,144 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2019-11-28 02:37:14,145 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 02:37:14,171 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:37:14,176 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 02:37:14,178 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 28 [2019-11-28 02:37:14,178 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 02:37:14,198 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:37:14,200 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 02:37:14,200 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:58, output treesize:46 [2019-11-28 02:37:14,234 INFO L404 ElimStorePlain]: Different costs {0=[|#memory_$Pointer$.offset|], 2=[|#memory_$Pointer$.base|]} [2019-11-28 02:37:14,239 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2019-11-28 02:37:14,240 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 02:37:14,256 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:37:14,259 INFO L343 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2019-11-28 02:37:14,260 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 22 [2019-11-28 02:37:14,261 INFO L508 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-28 02:37:14,270 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:37:14,270 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-28 02:37:14,271 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:60, output treesize:20 [2019-11-28 02:37:14,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:37:14,297 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:37:14,426 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 02:37:14,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:37:14,642 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [825502508] [2019-11-28 02:37:14,643 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:37:14,643 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 5] imperfect sequences [] total 10 [2019-11-28 02:37:14,643 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415820441] [2019-11-28 02:37:14,644 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-28 02:37:14,644 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 02:37:14,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-28 02:37:14,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2019-11-28 02:37:14,645 INFO L87 Difference]: Start difference. First operand 62 states and 62 transitions. Second operand 11 states. [2019-11-28 02:37:15,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:37:15,694 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions. [2019-11-28 02:37:15,695 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 02:37:15,695 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 13 [2019-11-28 02:37:15,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:37:15,696 INFO L225 Difference]: With dead ends: 61 [2019-11-28 02:37:15,696 INFO L226 Difference]: Without dead ends: 61 [2019-11-28 02:37:15,696 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2019-11-28 02:37:15,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2019-11-28 02:37:15,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2019-11-28 02:37:15,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2019-11-28 02:37:15,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 61 transitions. [2019-11-28 02:37:15,703 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 61 transitions. Word has length 13 [2019-11-28 02:37:15,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:37:15,704 INFO L462 AbstractCegarLoop]: Abstraction has 61 states and 61 transitions. [2019-11-28 02:37:15,704 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-28 02:37:15,704 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 61 transitions. [2019-11-28 02:37:15,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-28 02:37:15,705 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:37:15,705 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:37:15,908 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-28 02:37:15,909 INFO L410 AbstractCegarLoop]: === Iteration 6 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, alloc_dataErr4REQUIRES_VIOLATION, alloc_dataErr9REQUIRES_VIOLATION, alloc_dataErr3REQUIRES_VIOLATION, alloc_dataErr8REQUIRES_VIOLATION, alloc_dataErr2REQUIRES_VIOLATION, alloc_dataErr7REQUIRES_VIOLATION, alloc_dataErr1REQUIRES_VIOLATION, alloc_dataErr6REQUIRES_VIOLATION, alloc_dataErr11REQUIRES_VIOLATION, alloc_dataErr0REQUIRES_VIOLATION, alloc_dataErr5REQUIRES_VIOLATION, alloc_dataErr10REQUIRES_VIOLATION, free_dataErr7REQUIRES_VIOLATION, free_dataErr8ASSERT_VIOLATIONMEMORY_FREE, free_dataErr17REQUIRES_VIOLATION, free_dataErr6REQUIRES_VIOLATION, free_dataErr9ASSERT_VIOLATIONMEMORY_FREE, free_dataErr16REQUIRES_VIOLATION, free_dataErr5REQUIRES_VIOLATION, free_dataErr1REQUIRES_VIOLATION, free_dataErr0REQUIRES_VIOLATION, free_dataErr15REQUIRES_VIOLATION, free_dataErr4REQUIRES_VIOLATION, free_dataErr10ASSERT_VIOLATIONMEMORY_FREE, free_dataErr14REQUIRES_VIOLATION, free_dataErr3REQUIRES_VIOLATION, free_dataErr11ASSERT_VIOLATIONMEMORY_FREE, free_dataErr13ASSERT_VIOLATIONMEMORY_FREE, free_dataErr2REQUIRES_VIOLATION, free_dataErr12ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-28 02:37:15,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:37:15,912 INFO L82 PathProgramCache]: Analyzing trace with hash 1926354070, now seen corresponding path program 1 times [2019-11-28 02:37:15,913 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:37:15,915 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [22779498] [2019-11-28 02:37:15,915 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-11-28 02:37:16,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:37:16,046 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-28 02:37:16,048 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:37:16,056 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-28 02:37:16,057 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 02:37:16,060 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:37:16,061 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 02:37:16,061 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-28 02:37:16,085 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:37:16,086 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 17 [2019-11-28 02:37:16,087 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 02:37:16,093 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:37:16,094 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 02:37:16,094 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:4 [2019-11-28 02:37:16,114 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-28 02:37:16,114 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 02:37:16,125 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:37:16,125 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 02:37:16,126 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:8 [2019-11-28 02:37:16,145 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-28 02:37:16,145 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 02:37:16,153 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:37:16,154 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 02:37:16,154 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-11-28 02:37:16,194 INFO L343 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2019-11-28 02:37:16,195 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 21 [2019-11-28 02:37:16,195 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 02:37:16,207 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:37:16,208 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 02:37:16,208 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:29, output treesize:20 [2019-11-28 02:37:16,431 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2019-11-28 02:37:16,432 INFO L343 Elim1Store]: treesize reduction 10, result has 88.8 percent of original size [2019-11-28 02:37:16,433 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 102 [2019-11-28 02:37:16,434 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-28 02:37:16,435 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 02:37:16,435 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 02:37:16,436 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 02:37:16,437 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 02:37:16,438 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 02:37:16,440 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 02:37:16,441 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 02:37:16,442 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 02:37:16,443 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 02:37:16,445 INFO L508 ElimStorePlain]: Start of recursive call 2: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 3 xjuncts. [2019-11-28 02:37:24,681 WARN L192 SmtUtils]: Spent 8.24 s on a formula simplification. DAG size of input: 42 DAG size of output: 34 [2019-11-28 02:37:24,682 INFO L588 ElimStorePlain]: treesize reduction 138, result has 39.2 percent of original size [2019-11-28 02:37:24,683 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2019-11-28 02:37:24,684 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:47, output treesize:60 [2019-11-28 02:37:24,717 INFO L343 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2019-11-28 02:37:24,718 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 13 [2019-11-28 02:37:24,719 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 02:37:24,722 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:37:24,723 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 02:37:24,723 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:5 [2019-11-28 02:37:24,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:37:24,745 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:37:24,777 INFO L508 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-28 02:37:24,783 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:37:24,784 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-28 02:37:24,784 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:30, output treesize:19 [2019-11-28 02:37:33,361 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 170 treesize of output 116 [2019-11-28 02:37:33,362 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 02:37:33,369 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:37:33,370 INFO L508 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2019-11-28 02:37:33,370 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:60, output treesize:55 [2019-11-28 02:37:40,637 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-11-28 02:37:40,638 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: incompatible size at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayIndexBasedCostEstimation.analyzeCosts(ArrayIndexBasedCostEstimation.java:211) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayIndexBasedCostEstimation.computeCostEstimation(ArrayIndexBasedCostEstimation.java:152) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayIndexBasedCostEstimation.(ArrayIndexBasedCostEstimation.java:64) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.computeCostEstimation(ElimStorePlain.java:531) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:402) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:246) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:419) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:291) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:334) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:177) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:139) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 02:37:40,647 INFO L168 Benchmark]: Toolchain (without parser) took 34418.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 189.3 MB). Free memory was 960.4 MB in the beginning and 807.7 MB in the end (delta: 152.7 MB). Peak memory consumption was 341.9 MB. Max. memory is 11.5 GB. [2019-11-28 02:37:40,647 INFO L168 Benchmark]: CDTParser took 0.57 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:37:40,648 INFO L168 Benchmark]: CACSL2BoogieTranslator took 714.70 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -124.3 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2019-11-28 02:37:40,648 INFO L168 Benchmark]: Boogie Preprocessor took 80.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 02:37:40,649 INFO L168 Benchmark]: RCFGBuilder took 801.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 52.1 MB). Peak memory consumption was 52.1 MB. Max. memory is 11.5 GB. [2019-11-28 02:37:40,650 INFO L168 Benchmark]: TraceAbstraction took 32817.25 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 78.6 MB). Free memory was 1.0 GB in the beginning and 807.7 MB in the end (delta: 218.0 MB). Peak memory consumption was 296.7 MB. Max. memory is 11.5 GB. [2019-11-28 02:37:40,652 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 714.70 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -124.3 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 80.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 801.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 52.1 MB). Peak memory consumption was 52.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 32817.25 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 78.6 MB). Free memory was 1.0 GB in the beginning and 807.7 MB in the end (delta: 218.0 MB). Peak memory consumption was 296.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: incompatible size de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: incompatible size: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayIndexBasedCostEstimation.analyzeCosts(ArrayIndexBasedCostEstimation.java:211) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...