./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/array-memsafety-realloc/array-realloc-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 906a4fb5 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/array-memsafety-realloc/array-realloc-3.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c5e00b9cd3876aa8df4263099f6b8339445d38f8 ............................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/array-memsafety-realloc/array-realloc-3.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c5e00b9cd3876aa8df4263099f6b8339445d38f8 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.25-906a4fb [2020-10-19 17:59:20,195 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 17:59:20,200 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 17:59:20,238 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 17:59:20,238 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 17:59:20,250 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 17:59:20,252 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 17:59:20,255 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 17:59:20,258 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 17:59:20,260 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 17:59:20,261 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 17:59:20,264 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 17:59:20,265 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 17:59:20,268 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 17:59:20,271 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 17:59:20,272 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 17:59:20,273 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 17:59:20,278 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 17:59:20,280 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 17:59:20,283 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 17:59:20,287 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 17:59:20,289 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 17:59:20,291 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 17:59:20,292 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 17:59:20,300 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 17:59:20,300 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 17:59:20,301 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 17:59:20,303 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 17:59:20,303 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 17:59:20,304 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 17:59:20,305 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 17:59:20,306 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 17:59:20,307 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 17:59:20,307 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 17:59:20,309 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 17:59:20,309 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 17:59:20,310 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 17:59:20,310 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 17:59:20,311 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 17:59:20,312 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 17:59:20,313 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 17:59:20,314 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-10-19 17:59:20,366 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 17:59:20,366 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 17:59:20,368 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 17:59:20,369 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 17:59:20,369 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 17:59:20,369 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 17:59:20,369 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 17:59:20,370 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 17:59:20,370 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 17:59:20,370 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 17:59:20,372 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 17:59:20,372 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-19 17:59:20,372 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-19 17:59:20,373 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-19 17:59:20,373 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 17:59:20,373 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-19 17:59:20,374 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 17:59:20,374 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 17:59:20,374 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 17:59:20,375 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 17:59:20,375 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 17:59:20,375 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 17:59:20,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 17:59:20,376 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 17:59:20,376 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 17:59:20,376 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 17:59:20,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 17:59:20,377 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 17:59:20,377 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5e00b9cd3876aa8df4263099f6b8339445d38f8 [2020-10-19 17:59:20,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 17:59:20,705 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 17:59:20,709 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 17:59:20,710 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 17:59:20,711 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 17:59:20,712 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety-realloc/array-realloc-3.i [2020-10-19 17:59:20,771 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8f60181a/9e3d4ba2f5144e13b3195003b9039484/FLAGbb0fccf68 [2020-10-19 17:59:21,286 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 17:59:21,287 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety-realloc/array-realloc-3.i [2020-10-19 17:59:21,309 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8f60181a/9e3d4ba2f5144e13b3195003b9039484/FLAGbb0fccf68 [2020-10-19 17:59:21,587 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8f60181a/9e3d4ba2f5144e13b3195003b9039484 [2020-10-19 17:59:21,591 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 17:59:21,599 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-19 17:59:21,600 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 17:59:21,600 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 17:59:21,604 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 17:59:21,605 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 05:59:21" (1/1) ... [2020-10-19 17:59:21,608 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69c03c1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:59:21, skipping insertion in model container [2020-10-19 17:59:21,608 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 05:59:21" (1/1) ... [2020-10-19 17:59:21,616 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 17:59:21,656 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 17:59:22,007 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 17:59:22,025 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2020-10-19 17:59:22,026 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2de5a29a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:59:22, skipping insertion in model container [2020-10-19 17:59:22,026 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 17:59:22,027 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-19 17:59:22,029 INFO L168 Benchmark]: Toolchain (without parser) took 435.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 958.6 MB in the beginning and 1.1 GB in the end (delta: -167.0 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2020-10-19 17:59:22,030 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 17:59:22,032 INFO L168 Benchmark]: CACSL2BoogieTranslator took 426.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 953.3 MB in the beginning and 1.1 GB in the end (delta: -172.4 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2020-10-19 17:59:22,034 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 426.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 953.3 MB in the beginning and 1.1 GB in the end (delta: -172.4 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 515]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-906a4fb [2020-10-19 17:59:23,754 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 17:59:23,757 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 17:59:23,797 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 17:59:23,798 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 17:59:23,799 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 17:59:23,800 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 17:59:23,802 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 17:59:23,804 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 17:59:23,805 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 17:59:23,806 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 17:59:23,807 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 17:59:23,808 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 17:59:23,809 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 17:59:23,810 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 17:59:23,811 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 17:59:23,812 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 17:59:23,813 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 17:59:23,815 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 17:59:23,817 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 17:59:23,818 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 17:59:23,819 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 17:59:23,821 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 17:59:23,821 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 17:59:23,824 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 17:59:23,824 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 17:59:23,824 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 17:59:23,825 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 17:59:23,826 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 17:59:23,827 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 17:59:23,827 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 17:59:23,828 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 17:59:23,829 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 17:59:23,830 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 17:59:23,831 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 17:59:23,831 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 17:59:23,832 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 17:59:23,832 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 17:59:23,832 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 17:59:23,833 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 17:59:23,834 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 17:59:23,835 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-10-19 17:59:23,858 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 17:59:23,858 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 17:59:23,860 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 17:59:23,860 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 17:59:23,860 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 17:59:23,861 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 17:59:23,861 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 17:59:23,861 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 17:59:23,861 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 17:59:23,862 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 17:59:23,862 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 17:59:23,862 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-19 17:59:23,863 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-19 17:59:23,863 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-19 17:59:23,863 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 17:59:23,863 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-19 17:59:23,864 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-19 17:59:23,864 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-19 17:59:23,864 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 17:59:23,864 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 17:59:23,865 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 17:59:23,865 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 17:59:23,865 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 17:59:23,866 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 17:59:23,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 17:59:23,866 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 17:59:23,867 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 17:59:23,867 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-19 17:59:23,867 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-19 17:59:23,867 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 17:59:23,868 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-19 17:59:23,868 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5e00b9cd3876aa8df4263099f6b8339445d38f8 [2020-10-19 17:59:24,196 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 17:59:24,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 17:59:24,212 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 17:59:24,214 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 17:59:24,214 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 17:59:24,215 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety-realloc/array-realloc-3.i [2020-10-19 17:59:24,289 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/119118e3e/941f6285c29b420799d376da6a7039dc/FLAG8457947a5 [2020-10-19 17:59:24,841 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 17:59:24,842 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety-realloc/array-realloc-3.i [2020-10-19 17:59:24,855 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/119118e3e/941f6285c29b420799d376da6a7039dc/FLAG8457947a5 [2020-10-19 17:59:25,130 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/119118e3e/941f6285c29b420799d376da6a7039dc [2020-10-19 17:59:25,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 17:59:25,143 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-19 17:59:25,145 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 17:59:25,145 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 17:59:25,149 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 17:59:25,150 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 05:59:25" (1/1) ... [2020-10-19 17:59:25,154 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8df1206 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:59:25, skipping insertion in model container [2020-10-19 17:59:25,154 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 05:59:25" (1/1) ... [2020-10-19 17:59:25,163 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 17:59:25,216 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 17:59:25,597 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 17:59:25,619 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-10-19 17:59:25,641 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 17:59:25,697 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 17:59:25,712 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 17:59:25,743 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 17:59:25,806 INFO L208 MainTranslator]: Completed translation [2020-10-19 17:59:25,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:59:25 WrapperNode [2020-10-19 17:59:25,807 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 17:59:25,808 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 17:59:25,808 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 17:59:25,809 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 17:59:25,819 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:59:25" (1/1) ... [2020-10-19 17:59:25,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:59:25" (1/1) ... [2020-10-19 17:59:25,838 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:59:25" (1/1) ... [2020-10-19 17:59:25,838 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:59:25" (1/1) ... [2020-10-19 17:59:25,856 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:59:25" (1/1) ... [2020-10-19 17:59:25,861 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:59:25" (1/1) ... [2020-10-19 17:59:25,865 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:59:25" (1/1) ... [2020-10-19 17:59:25,873 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 17:59:25,874 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 17:59:25,874 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 17:59:25,874 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 17:59:25,875 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:59:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 17:59:25,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-19 17:59:25,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 17:59:25,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2020-10-19 17:59:25,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-19 17:59:25,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-19 17:59:25,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-10-19 17:59:25,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-10-19 17:59:25,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-10-19 17:59:25,950 INFO L138 BoogieDeclarations]: Found implementation of procedure expandArray [2020-10-19 17:59:25,950 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-19 17:59:25,950 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc [2020-10-19 17:59:25,950 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-19 17:59:25,950 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-19 17:59:25,950 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-19 17:59:25,951 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-19 17:59:25,951 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-19 17:59:25,951 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-19 17:59:25,951 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-19 17:59:25,951 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-19 17:59:25,951 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-19 17:59:25,952 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-19 17:59:25,952 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-19 17:59:25,952 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-19 17:59:25,952 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-19 17:59:25,952 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-19 17:59:25,952 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-19 17:59:25,952 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-19 17:59:25,952 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-19 17:59:25,953 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-19 17:59:25,953 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-10-19 17:59:25,953 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-10-19 17:59:25,953 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-10-19 17:59:25,953 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-19 17:59:25,953 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-19 17:59:25,953 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-19 17:59:25,954 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-19 17:59:25,954 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-19 17:59:25,954 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-19 17:59:25,954 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-19 17:59:25,954 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-19 17:59:25,954 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-19 17:59:25,954 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-19 17:59:25,955 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-19 17:59:25,955 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-19 17:59:25,955 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-19 17:59:25,955 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-19 17:59:25,955 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-19 17:59:25,955 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-19 17:59:25,955 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-19 17:59:25,956 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-19 17:59:25,956 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-19 17:59:25,956 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-19 17:59:25,956 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-19 17:59:25,956 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-19 17:59:25,957 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-19 17:59:25,957 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-19 17:59:25,957 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-19 17:59:25,957 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-19 17:59:25,957 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-19 17:59:25,957 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-19 17:59:25,957 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-19 17:59:25,958 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-19 17:59:25,959 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-19 17:59:25,959 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-19 17:59:25,959 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-19 17:59:25,959 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-19 17:59:25,960 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-19 17:59:25,960 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-19 17:59:25,961 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-19 17:59:25,961 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-19 17:59:25,962 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-19 17:59:25,962 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-19 17:59:25,962 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-19 17:59:25,963 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-19 17:59:25,963 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-19 17:59:25,963 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-19 17:59:25,963 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-19 17:59:25,963 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-19 17:59:25,963 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-19 17:59:25,964 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-19 17:59:25,964 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-19 17:59:25,965 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-19 17:59:25,965 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-19 17:59:25,965 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-19 17:59:25,965 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-19 17:59:25,965 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-19 17:59:25,965 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-19 17:59:25,965 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-19 17:59:25,965 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-19 17:59:25,966 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-19 17:59:25,966 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-19 17:59:25,966 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-19 17:59:25,966 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-19 17:59:25,966 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-19 17:59:25,966 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-19 17:59:25,966 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-19 17:59:25,966 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-19 17:59:25,967 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-19 17:59:25,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-19 17:59:25,967 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-19 17:59:25,967 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-19 17:59:25,967 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-19 17:59:25,967 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-19 17:59:25,967 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-19 17:59:25,968 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-19 17:59:25,968 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-19 17:59:25,968 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-19 17:59:25,968 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-19 17:59:25,968 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-19 17:59:25,968 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-19 17:59:25,969 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-19 17:59:25,970 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-19 17:59:25,970 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-19 17:59:25,970 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-19 17:59:25,970 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-19 17:59:25,971 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-19 17:59:25,971 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-19 17:59:25,971 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-19 17:59:25,971 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-19 17:59:25,971 INFO L130 BoogieDeclarations]: Found specification of procedure expandArray [2020-10-19 17:59:25,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc [2020-10-19 17:59:25,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-19 17:59:25,971 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-19 17:59:25,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-19 17:59:25,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-19 17:59:25,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 17:59:25,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2020-10-19 17:59:25,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-19 17:59:25,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-19 17:59:26,498 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 17:59:26,499 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-19 17:59:26,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 05:59:26 BoogieIcfgContainer [2020-10-19 17:59:26,501 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 17:59:26,502 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 17:59:26,503 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 17:59:26,506 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 17:59:26,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 05:59:25" (1/3) ... [2020-10-19 17:59:26,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aa2ac81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 05:59:26, skipping insertion in model container [2020-10-19 17:59:26,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:59:25" (2/3) ... [2020-10-19 17:59:26,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aa2ac81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 05:59:26, skipping insertion in model container [2020-10-19 17:59:26,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 05:59:26" (3/3) ... [2020-10-19 17:59:26,510 INFO L111 eAbstractionObserver]: Analyzing ICFG array-realloc-3.i [2020-10-19 17:59:26,522 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 17:59:26,530 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-19 17:59:26,542 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-19 17:59:26,559 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 17:59:26,559 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-19 17:59:26,560 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 17:59:26,560 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 17:59:26,560 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 17:59:26,560 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 17:59:26,560 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 17:59:26,561 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 17:59:26,573 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2020-10-19 17:59:26,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-19 17:59:26,581 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 17:59:26,583 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 17:59:26,583 INFO L429 AbstractCegarLoop]: === Iteration 1 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, expandArrayErr1REQUIRES_VIOLATION, expandArrayErr0REQUIRES_VIOLATION]=== [2020-10-19 17:59:26,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 17:59:26,589 INFO L82 PathProgramCache]: Analyzing trace with hash 451943323, now seen corresponding path program 1 times [2020-10-19 17:59:26,602 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 17:59:26,602 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [829976125] [2020-10-19 17:59:26,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-19 17:59:26,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 17:59:26,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 17:59:26,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 17:59:26,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 17:59:26,813 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 17:59:26,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 17:59:26,827 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [829976125] [2020-10-19 17:59:26,828 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 17:59:26,829 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-19 17:59:26,830 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656357967] [2020-10-19 17:59:26,835 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 17:59:26,835 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 17:59:26,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 17:59:26,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 17:59:26,855 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 3 states. [2020-10-19 17:59:26,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 17:59:26,947 INFO L93 Difference]: Finished difference Result 35 states and 40 transitions. [2020-10-19 17:59:26,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 17:59:26,950 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-10-19 17:59:26,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 17:59:26,961 INFO L225 Difference]: With dead ends: 35 [2020-10-19 17:59:26,961 INFO L226 Difference]: Without dead ends: 31 [2020-10-19 17:59:26,963 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 17:59:26,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-10-19 17:59:27,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 26. [2020-10-19 17:59:27,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2020-10-19 17:59:27,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 28 transitions. [2020-10-19 17:59:27,009 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 28 transitions. Word has length 8 [2020-10-19 17:59:27,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 17:59:27,010 INFO L481 AbstractCegarLoop]: Abstraction has 26 states and 28 transitions. [2020-10-19 17:59:27,010 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 17:59:27,010 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2020-10-19 17:59:27,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-19 17:59:27,011 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 17:59:27,011 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 17:59:27,221 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-19 17:59:27,222 INFO L429 AbstractCegarLoop]: === Iteration 2 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, expandArrayErr1REQUIRES_VIOLATION, expandArrayErr0REQUIRES_VIOLATION]=== [2020-10-19 17:59:27,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 17:59:27,223 INFO L82 PathProgramCache]: Analyzing trace with hash 1125341978, now seen corresponding path program 1 times [2020-10-19 17:59:27,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 17:59:27,224 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [365195221] [2020-10-19 17:59:27,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-10-19 17:59:27,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 17:59:27,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-19 17:59:27,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 17:59:27,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 17:59:27,371 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 17:59:27,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 17:59:27,379 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [365195221] [2020-10-19 17:59:27,379 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 17:59:27,379 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-10-19 17:59:27,380 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106368551] [2020-10-19 17:59:27,381 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 17:59:27,382 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 17:59:27,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 17:59:27,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 17:59:27,383 INFO L87 Difference]: Start difference. First operand 26 states and 28 transitions. Second operand 3 states. [2020-10-19 17:59:27,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 17:59:27,387 INFO L93 Difference]: Finished difference Result 26 states and 27 transitions. [2020-10-19 17:59:27,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 17:59:27,388 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-19 17:59:27,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 17:59:27,389 INFO L225 Difference]: With dead ends: 26 [2020-10-19 17:59:27,389 INFO L226 Difference]: Without dead ends: 26 [2020-10-19 17:59:27,390 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 17:59:27,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2020-10-19 17:59:27,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2020-10-19 17:59:27,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2020-10-19 17:59:27,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2020-10-19 17:59:27,395 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 9 [2020-10-19 17:59:27,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 17:59:27,396 INFO L481 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2020-10-19 17:59:27,396 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 17:59:27,396 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2020-10-19 17:59:27,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-19 17:59:27,397 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 17:59:27,397 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 17:59:27,608 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-19 17:59:27,611 INFO L429 AbstractCegarLoop]: === Iteration 3 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, expandArrayErr1REQUIRES_VIOLATION, expandArrayErr0REQUIRES_VIOLATION]=== [2020-10-19 17:59:27,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 17:59:27,612 INFO L82 PathProgramCache]: Analyzing trace with hash -285526799, now seen corresponding path program 1 times [2020-10-19 17:59:27,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 17:59:27,614 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1551803340] [2020-10-19 17:59:27,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-10-19 17:59:27,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 17:59:27,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-19 17:59:27,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 17:59:27,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 17:59:27,896 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 17:59:28,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 17:59:28,013 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1551803340] [2020-10-19 17:59:28,013 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 17:59:28,013 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2020-10-19 17:59:28,013 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571995509] [2020-10-19 17:59:28,015 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-19 17:59:28,016 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 17:59:28,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-19 17:59:28,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-10-19 17:59:28,018 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand 10 states. [2020-10-19 17:59:28,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 17:59:28,172 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2020-10-19 17:59:28,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-19 17:59:28,173 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 16 [2020-10-19 17:59:28,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 17:59:28,174 INFO L225 Difference]: With dead ends: 27 [2020-10-19 17:59:28,174 INFO L226 Difference]: Without dead ends: 27 [2020-10-19 17:59:28,181 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-10-19 17:59:28,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-10-19 17:59:28,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-10-19 17:59:28,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-10-19 17:59:28,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2020-10-19 17:59:28,192 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 16 [2020-10-19 17:59:28,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 17:59:28,192 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2020-10-19 17:59:28,192 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-19 17:59:28,193 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2020-10-19 17:59:28,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-19 17:59:28,196 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 17:59:28,196 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 17:59:28,415 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-19 17:59:28,416 INFO L429 AbstractCegarLoop]: === Iteration 4 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, expandArrayErr1REQUIRES_VIOLATION, expandArrayErr0REQUIRES_VIOLATION]=== [2020-10-19 17:59:28,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 17:59:28,417 INFO L82 PathProgramCache]: Analyzing trace with hash 1792130560, now seen corresponding path program 1 times [2020-10-19 17:59:28,418 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 17:59:28,418 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2071954378] [2020-10-19 17:59:28,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-10-19 17:59:28,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 17:59:28,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-19 17:59:28,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 17:59:28,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 17:59:28,591 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 17:59:28,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 17:59:28,627 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2071954378] [2020-10-19 17:59:28,628 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 17:59:28,628 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2020-10-19 17:59:28,628 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243185523] [2020-10-19 17:59:28,629 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-19 17:59:28,629 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 17:59:28,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-19 17:59:28,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-19 17:59:28,630 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand 6 states. [2020-10-19 17:59:28,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 17:59:28,702 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2020-10-19 17:59:28,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-19 17:59:28,705 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-10-19 17:59:28,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 17:59:28,706 INFO L225 Difference]: With dead ends: 35 [2020-10-19 17:59:28,706 INFO L226 Difference]: Without dead ends: 35 [2020-10-19 17:59:28,707 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-19 17:59:28,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-10-19 17:59:28,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 30. [2020-10-19 17:59:28,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-19 17:59:28,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 32 transitions. [2020-10-19 17:59:28,717 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 32 transitions. Word has length 17 [2020-10-19 17:59:28,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 17:59:28,719 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 32 transitions. [2020-10-19 17:59:28,719 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-19 17:59:28,719 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2020-10-19 17:59:28,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-19 17:59:28,723 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 17:59:28,723 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 17:59:28,935 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-10-19 17:59:28,936 INFO L429 AbstractCegarLoop]: === Iteration 5 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, expandArrayErr1REQUIRES_VIOLATION, expandArrayErr0REQUIRES_VIOLATION]=== [2020-10-19 17:59:28,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 17:59:28,936 INFO L82 PathProgramCache]: Analyzing trace with hash 1793054081, now seen corresponding path program 1 times [2020-10-19 17:59:28,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 17:59:28,938 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1648589096] [2020-10-19 17:59:28,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-10-19 17:59:29,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 17:59:29,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-19 17:59:29,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 17:59:29,155 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 17:59:29,156 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 25 [2020-10-19 17:59:29,157 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 17:59:29,177 INFO L625 ElimStorePlain]: treesize reduction 10, result has 60.0 percent of original size [2020-10-19 17:59:29,182 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-19 17:59:29,182 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:9, output treesize:5 [2020-10-19 17:59:29,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 17:59:29,205 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 17:59:29,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 17:59:29,266 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1648589096] [2020-10-19 17:59:29,266 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 17:59:29,266 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-10-19 17:59:29,266 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564112809] [2020-10-19 17:59:29,269 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-19 17:59:29,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 17:59:29,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-19 17:59:29,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 17:59:29,270 INFO L87 Difference]: Start difference. First operand 30 states and 32 transitions. Second operand 5 states. [2020-10-19 17:59:29,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 17:59:29,350 INFO L93 Difference]: Finished difference Result 29 states and 31 transitions. [2020-10-19 17:59:29,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-19 17:59:29,353 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-10-19 17:59:29,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 17:59:29,354 INFO L225 Difference]: With dead ends: 29 [2020-10-19 17:59:29,354 INFO L226 Difference]: Without dead ends: 29 [2020-10-19 17:59:29,355 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 17:59:29,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-10-19 17:59:29,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-10-19 17:59:29,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-10-19 17:59:29,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2020-10-19 17:59:29,366 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 17 [2020-10-19 17:59:29,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 17:59:29,367 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2020-10-19 17:59:29,367 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-19 17:59:29,368 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2020-10-19 17:59:29,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-19 17:59:29,369 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 17:59:29,369 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 17:59:29,573 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-10-19 17:59:29,574 INFO L429 AbstractCegarLoop]: === Iteration 6 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, expandArrayErr1REQUIRES_VIOLATION, expandArrayErr0REQUIRES_VIOLATION]=== [2020-10-19 17:59:29,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 17:59:29,575 INFO L82 PathProgramCache]: Analyzing trace with hash 1793054082, now seen corresponding path program 1 times [2020-10-19 17:59:29,576 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 17:59:29,576 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1161104742] [2020-10-19 17:59:29,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-10-19 17:59:29,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 17:59:29,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 12 conjunts are in the unsatisfiable core [2020-10-19 17:59:29,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 17:59:29,728 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-10-19 17:59:29,729 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 17:59:29,737 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 17:59:29,738 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-19 17:59:29,738 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2020-10-19 17:59:29,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 17:59:29,794 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 17:59:30,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 17:59:30,283 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1161104742] [2020-10-19 17:59:30,283 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 17:59:30,283 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 11 [2020-10-19 17:59:30,284 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888907338] [2020-10-19 17:59:30,284 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-19 17:59:30,284 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 17:59:30,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-19 17:59:30,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-19 17:59:30,290 INFO L87 Difference]: Start difference. First operand 29 states and 31 transitions. Second operand 12 states. [2020-10-19 17:59:30,749 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2020-10-19 17:59:31,212 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 21 [2020-10-19 17:59:31,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 17:59:31,545 INFO L93 Difference]: Finished difference Result 76 states and 79 transitions. [2020-10-19 17:59:31,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-19 17:59:31,546 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 17 [2020-10-19 17:59:31,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 17:59:31,548 INFO L225 Difference]: With dead ends: 76 [2020-10-19 17:59:31,548 INFO L226 Difference]: Without dead ends: 74 [2020-10-19 17:59:31,549 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=84, Invalid=258, Unknown=0, NotChecked=0, Total=342 [2020-10-19 17:59:31,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-10-19 17:59:31,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 48. [2020-10-19 17:59:31,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-10-19 17:59:31,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 53 transitions. [2020-10-19 17:59:31,559 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 53 transitions. Word has length 17 [2020-10-19 17:59:31,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 17:59:31,559 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 53 transitions. [2020-10-19 17:59:31,559 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-19 17:59:31,559 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 53 transitions. [2020-10-19 17:59:31,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-19 17:59:31,560 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 17:59:31,560 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 17:59:31,762 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-10-19 17:59:31,763 INFO L429 AbstractCegarLoop]: === Iteration 7 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, expandArrayErr1REQUIRES_VIOLATION, expandArrayErr0REQUIRES_VIOLATION]=== [2020-10-19 17:59:31,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 17:59:31,764 INFO L82 PathProgramCache]: Analyzing trace with hash 494948438, now seen corresponding path program 1 times [2020-10-19 17:59:31,765 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 17:59:31,765 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [177878990] [2020-10-19 17:59:31,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2020-10-19 17:59:31,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 17:59:31,887 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 17:59:31,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 17:59:31,951 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 17:59:31,995 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-10-19 17:59:31,996 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-19 17:59:32,196 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2020-10-19 17:59:32,216 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2020-10-19 17:59:32,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 05:59:32 BoogieIcfgContainer [2020-10-19 17:59:32,239 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 17:59:32,240 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 17:59:32,240 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 17:59:32,240 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 17:59:32,241 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 05:59:26" (3/4) ... [2020-10-19 17:59:32,245 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-19 17:59:32,245 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 17:59:32,247 INFO L168 Benchmark]: Toolchain (without parser) took 7109.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 214.4 MB). Free memory was 957.3 MB in the beginning and 1.1 GB in the end (delta: -110.5 MB). Peak memory consumption was 103.9 MB. Max. memory is 11.5 GB. [2020-10-19 17:59:32,247 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 17:59:32,248 INFO L168 Benchmark]: CACSL2BoogieTranslator took 662.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 951.9 MB in the beginning and 1.1 GB in the end (delta: -162.6 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2020-10-19 17:59:32,248 INFO L168 Benchmark]: Boogie Preprocessor took 65.04 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 17:59:32,249 INFO L168 Benchmark]: RCFGBuilder took 627.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 50.8 MB). Peak memory consumption was 50.8 MB. Max. memory is 11.5 GB. [2020-10-19 17:59:32,250 INFO L168 Benchmark]: TraceAbstraction took 5737.16 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 69.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -4.2 MB). Peak memory consumption was 65.0 MB. Max. memory is 11.5 GB. [2020-10-19 17:59:32,250 INFO L168 Benchmark]: Witness Printer took 5.02 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 17:59:32,254 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 662.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 951.9 MB in the beginning and 1.1 GB in the end (delta: -162.6 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 65.04 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 627.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 50.8 MB). Peak memory consumption was 50.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5737.16 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 69.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -4.2 MB). Peak memory consumption was 65.0 MB. Max. memory is 11.5 GB. * Witness Printer took 5.02 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 525]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 525. Possible FailurePath: [L512] int num; [L513] int ind, newsize, i = 1; VAL [\old(i)=5, \old(ind)=6, \old(newsize)=7, \old(num)=9, i=1, ind=0, newsize=0, num=0] [L526] num = __VERIFIER_nondet_int() [L527] COND FALSE !(!(num > 0 && num < 100)) [L530] int *a = (int *)malloc(sizeof(int)); VAL [\old(argc)=11, \old(newsize)=0, \old(num)=0, a={1:0}, argc=11, argv={13:12}, argv={13:12}, i=1, ind=0, malloc(sizeof(int))={1:0}, newsize=0, num=1] [L531] COND FALSE !(a == ((void *)0)) [L534] newsize = 0 VAL [\old(argc)=11, \old(newsize)=0, \old(num)=0, a={1:0}, argc=11, argv={13:12}, argv={13:12}, i=1, ind=0, malloc(sizeof(int))={1:0}, newsize=0, num=1] [L535] CALL expandArray(a) VAL [\old(newsize)=0, \old(num)=0, arg={1:0}, i=1, ind=0, newsize=0, num=1] [L515] int *a = (int *)arg; VAL [\old(newsize)=0, \old(num)=0, a={1:0}, arg={1:0}, arg={1:0}, i=1, ind=0, newsize=0, num=1] [L516] COND TRUE newsize < num [L517] newsize = newsize + 1 [L518] int *b = ((void *)0); VAL [\old(newsize)=0, \old(num)=0, a={1:0}, arg={1:0}, arg={1:0}, b={0:0}, i=1, ind=0, newsize=1, num=1] [L519] EXPR, FCALL realloc(a, sizeof(int) * newsize) VAL [\old(newsize)=0, \old(num)=0, a={1:0}, arg={1:0}, arg={1:0}, b={0:0}, i=1, ind=0, newsize=1, num=1, realloc(a, sizeof(int) * newsize)={1:0}] [L519] b = realloc(a, sizeof(int) * newsize) [L520] b[newsize - 1] = i VAL [\old(newsize)=0, \old(num)=0, a={1:0}, arg={1:0}, arg={1:0}, b={1:0}, i=1, ind=0, newsize=1, num=1] [L521] a = b VAL [\old(newsize)=0, \old(num)=0, a={1:0}, arg={1:0}, arg={1:0}, b={1:0}, i=1, ind=0, newsize=1, num=1] [L516] COND FALSE !(newsize < num) VAL [\old(newsize)=0, \old(num)=0, a={1:0}, arg={1:0}, arg={1:0}, b={1:0}, i=1, ind=0, newsize=1, num=1] [L523] return 0; VAL [\old(newsize)=0, \old(num)=0, \result={0:0}, a={1:0}, arg={1:0}, arg={1:0}, b={1:0}, i=1, ind=0, newsize=1, num=1] [L535] RET expandArray(a) VAL [\old(argc)=11, \old(newsize)=0, \old(num)=0, a={1:0}, argc=11, argv={13:12}, argv={13:12}, expandArray(a)={0:0}, i=1, ind=0, malloc(sizeof(int))={1:0}, newsize=1, num=1] [L536] return 0; VAL [\old(argc)=11, \old(newsize)=0, \old(num)=0, \result=0, a={1:0}, argc=11, argv={13:12}, argv={13:12}, i=1, ind=0, malloc(sizeof(int))={1:0}, newsize=1, num=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 50 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.6s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 145 SDtfs, 162 SDslu, 231 SDs, 0 SdLazy, 194 SolverSat, 55 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 172 GetRequests, 134 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 36 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 156 ConstructedInterpolants, 0 QuantifiedInterpolants, 8533 SizeOfPredicates, 10 NumberOfNonLiveVariables, 492 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...