./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/array-memsafety/knapsack_alloca_unsafe.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version f470102c 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/knapsack_alloca_unsafe.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 134c0db99ce5251339642354d8ec6411765b7878 ............................................................................................................................. 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/knapsack_alloca_unsafe.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 134c0db99ce5251339642354d8ec6411765b7878 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref) --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 20:04:48,716 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 20:04:48,718 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 20:04:48,734 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 20:04:48,734 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 20:04:48,736 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 20:04:48,739 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 20:04:48,748 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 20:04:48,750 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 20:04:48,753 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 20:04:48,755 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 20:04:48,756 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 20:04:48,757 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 20:04:48,761 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 20:04:48,763 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 20:04:48,765 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 20:04:48,767 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 20:04:48,768 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 20:04:48,772 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 20:04:48,777 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 20:04:48,781 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 20:04:48,784 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 20:04:48,786 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 20:04:48,788 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 20:04:48,793 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 20:04:48,793 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 20:04:48,793 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 20:04:48,795 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 20:04:48,796 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 20:04:48,797 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 20:04:48,797 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 20:04:48,798 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 20:04:48,799 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 20:04:48,800 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 20:04:48,802 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 20:04:48,802 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 20:04:48,804 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 20:04:48,804 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 20:04:48,804 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 20:04:48,806 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 20:04:48,808 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 20:04:48,809 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-28 20:04:48,831 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 20:04:48,831 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 20:04:48,834 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 20:04:48,839 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 20:04:48,840 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 20:04:48,840 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 20:04:48,840 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 20:04:48,841 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 20:04:48,841 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 20:04:48,841 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 20:04:48,842 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 20:04:48,842 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 20:04:48,842 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 20:04:48,842 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 20:04:48,843 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 20:04:48,843 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 20:04:48,843 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 20:04:48,844 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 20:04:48,844 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 20:04:48,844 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 20:04:48,845 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 20:04:48,845 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 20:04:48,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 20:04:48,845 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 20:04:48,846 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 20:04:48,846 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 20:04:48,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 20:04:48,847 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 20:04:48,847 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 -> 134c0db99ce5251339642354d8ec6411765b7878 [2019-11-28 20:04:49,156 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 20:04:49,173 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 20:04:49,177 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 20:04:49,178 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 20:04:49,178 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 20:04:49,179 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/knapsack_alloca_unsafe.i [2019-11-28 20:04:49,248 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d56950fc/4ae7b768a5eb47fa9ae267e5746ce6c5/FLAGb36d136a7 [2019-11-28 20:04:49,837 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 20:04:49,838 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/knapsack_alloca_unsafe.i [2019-11-28 20:04:49,855 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d56950fc/4ae7b768a5eb47fa9ae267e5746ce6c5/FLAGb36d136a7 [2019-11-28 20:04:50,110 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d56950fc/4ae7b768a5eb47fa9ae267e5746ce6c5 [2019-11-28 20:04:50,114 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 20:04:50,116 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 20:04:50,120 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 20:04:50,120 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 20:04:50,124 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 20:04:50,125 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:04:50" (1/1) ... [2019-11-28 20:04:50,128 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f2cbe1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:04:50, skipping insertion in model container [2019-11-28 20:04:50,129 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:04:50" (1/1) ... [2019-11-28 20:04:50,138 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 20:04:50,196 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:04:50,588 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:04:50,599 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2019-11-28 20:04:50,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@214b2e58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:04:50, skipping insertion in model container [2019-11-28 20:04:50,600 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 20:04:50,600 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-28 20:04:50,603 INFO L168 Benchmark]: Toolchain (without parser) took 486.46 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -153.2 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2019-11-28 20:04:50,604 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:04:50,605 INFO L168 Benchmark]: CACSL2BoogieTranslator took 480.63 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -153.2 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2019-11-28 20:04:50,607 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 480.63 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -153.2 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 535]: 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-f470102 [2019-11-28 20:04:52,245 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 20:04:52,247 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 20:04:52,266 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 20:04:52,266 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 20:04:52,268 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 20:04:52,271 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 20:04:52,281 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 20:04:52,286 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 20:04:52,290 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 20:04:52,292 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 20:04:52,294 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 20:04:52,295 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 20:04:52,298 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 20:04:52,299 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 20:04:52,301 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 20:04:52,303 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 20:04:52,304 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 20:04:52,306 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 20:04:52,310 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 20:04:52,315 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 20:04:52,320 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 20:04:52,321 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 20:04:52,323 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 20:04:52,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 20:04:52,327 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 20:04:52,327 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 20:04:52,329 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 20:04:52,329 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 20:04:52,330 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 20:04:52,330 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 20:04:52,331 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 20:04:52,332 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 20:04:52,333 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 20:04:52,335 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 20:04:52,335 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 20:04:52,336 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 20:04:52,336 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 20:04:52,337 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 20:04:52,338 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 20:04:52,339 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 20:04:52,340 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-28 20:04:52,355 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 20:04:52,355 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 20:04:52,357 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 20:04:52,357 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 20:04:52,357 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 20:04:52,358 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 20:04:52,358 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 20:04:52,359 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 20:04:52,359 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 20:04:52,362 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 20:04:52,362 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 20:04:52,362 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 20:04:52,363 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 20:04:52,363 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 20:04:52,363 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 20:04:52,363 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 20:04:52,364 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 20:04:52,364 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 20:04:52,367 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 20:04:52,367 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 20:04:52,367 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 20:04:52,367 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 20:04:52,368 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 20:04:52,368 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 20:04:52,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 20:04:52,368 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 20:04:52,369 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 20:04:52,369 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 20:04:52,369 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 20:04:52,369 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 20:04:52,370 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 20:04:52,370 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 -> 134c0db99ce5251339642354d8ec6411765b7878 [2019-11-28 20:04:52,670 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 20:04:52,683 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 20:04:52,687 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 20:04:52,689 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 20:04:52,689 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 20:04:52,690 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/knapsack_alloca_unsafe.i [2019-11-28 20:04:52,752 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93422c3e8/22071eb691b54fdbad878f75f904ecb4/FLAGc96e388b5 [2019-11-28 20:04:53,183 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 20:04:53,183 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/knapsack_alloca_unsafe.i [2019-11-28 20:04:53,195 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93422c3e8/22071eb691b54fdbad878f75f904ecb4/FLAGc96e388b5 [2019-11-28 20:04:53,496 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93422c3e8/22071eb691b54fdbad878f75f904ecb4 [2019-11-28 20:04:53,499 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 20:04:53,500 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 20:04:53,501 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 20:04:53,501 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 20:04:53,505 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 20:04:53,506 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:04:53" (1/1) ... [2019-11-28 20:04:53,509 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39472393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:04:53, skipping insertion in model container [2019-11-28 20:04:53,510 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:04:53" (1/1) ... [2019-11-28 20:04:53,517 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 20:04:53,573 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:04:53,977 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:04:53,990 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-28 20:04:53,997 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:04:54,042 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:04:54,047 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 20:04:54,104 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:04:54,160 INFO L208 MainTranslator]: Completed translation [2019-11-28 20:04:54,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:04:54 WrapperNode [2019-11-28 20:04:54,161 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 20:04:54,161 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 20:04:54,162 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 20:04:54,162 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 20:04:54,176 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:04:54" (1/1) ... [2019-11-28 20:04:54,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:04:54" (1/1) ... [2019-11-28 20:04:54,197 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:04:54" (1/1) ... [2019-11-28 20:04:54,197 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:04:54" (1/1) ... [2019-11-28 20:04:54,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:04:54" (1/1) ... [2019-11-28 20:04:54,229 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:04:54" (1/1) ... [2019-11-28 20:04:54,233 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:04:54" (1/1) ... [2019-11-28 20:04:54,241 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 20:04:54,242 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 20:04:54,242 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 20:04:54,242 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 20:04:54,243 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:04:54" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 20:04:54,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-28 20:04:54,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 20:04:54,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-28 20:04:54,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-28 20:04:54,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-28 20:04:54,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-28 20:04:54,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-28 20:04:54,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-28 20:04:54,312 INFO L138 BoogieDeclarations]: Found implementation of procedure knapsack [2019-11-28 20:04:54,313 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-28 20:04:54,313 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-28 20:04:54,313 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-28 20:04:54,314 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-28 20:04:54,314 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-28 20:04:54,314 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-28 20:04:54,314 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-28 20:04:54,315 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-28 20:04:54,315 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-28 20:04:54,315 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-28 20:04:54,315 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-28 20:04:54,316 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-28 20:04:54,316 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-28 20:04:54,316 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-28 20:04:54,316 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-28 20:04:54,317 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-28 20:04:54,317 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-28 20:04:54,317 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-28 20:04:54,317 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-28 20:04:54,318 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-28 20:04:54,318 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-28 20:04:54,318 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-28 20:04:54,318 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-28 20:04:54,318 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-28 20:04:54,319 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-28 20:04:54,319 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-28 20:04:54,319 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-28 20:04:54,319 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-28 20:04:54,320 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-28 20:04:54,320 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-28 20:04:54,320 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-28 20:04:54,320 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-28 20:04:54,321 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-28 20:04:54,321 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-28 20:04:54,321 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-28 20:04:54,321 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-28 20:04:54,322 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-28 20:04:54,322 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-28 20:04:54,322 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-28 20:04:54,322 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-28 20:04:54,323 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-28 20:04:54,323 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-28 20:04:54,323 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-28 20:04:54,323 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-28 20:04:54,324 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-28 20:04:54,324 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-28 20:04:54,324 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-28 20:04:54,324 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-28 20:04:54,325 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-28 20:04:54,325 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-28 20:04:54,325 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-28 20:04:54,325 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-28 20:04:54,325 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-28 20:04:54,326 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-28 20:04:54,326 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-28 20:04:54,326 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-28 20:04:54,326 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-28 20:04:54,326 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-28 20:04:54,327 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-28 20:04:54,327 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-28 20:04:54,327 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-28 20:04:54,327 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-28 20:04:54,328 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-28 20:04:54,328 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-28 20:04:54,328 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-28 20:04:54,328 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-28 20:04:54,328 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-28 20:04:54,329 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-28 20:04:54,329 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-28 20:04:54,329 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-28 20:04:54,329 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-28 20:04:54,329 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-28 20:04:54,330 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-28 20:04:54,330 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-28 20:04:54,330 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-28 20:04:54,330 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-28 20:04:54,330 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-28 20:04:54,331 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-28 20:04:54,331 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-28 20:04:54,331 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-28 20:04:54,331 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-28 20:04:54,331 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-28 20:04:54,332 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-28 20:04:54,332 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-28 20:04:54,332 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-28 20:04:54,332 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-28 20:04:54,332 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-28 20:04:54,333 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-28 20:04:54,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-28 20:04:54,333 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-28 20:04:54,333 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-28 20:04:54,333 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-28 20:04:54,334 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-28 20:04:54,334 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-28 20:04:54,334 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-28 20:04:54,334 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-28 20:04:54,334 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-28 20:04:54,335 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-28 20:04:54,335 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-28 20:04:54,335 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-28 20:04:54,335 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-28 20:04:54,335 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-28 20:04:54,336 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-28 20:04:54,336 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-28 20:04:54,336 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-28 20:04:54,336 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-28 20:04:54,336 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-28 20:04:54,337 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-28 20:04:54,337 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-28 20:04:54,337 INFO L130 BoogieDeclarations]: Found specification of procedure knapsack [2019-11-28 20:04:54,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 20:04:54,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 20:04:54,338 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-28 20:04:54,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 20:04:54,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 20:04:54,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-28 20:04:54,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 20:04:54,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-28 20:04:55,384 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 20:04:55,384 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-28 20:04:55,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:04:55 BoogieIcfgContainer [2019-11-28 20:04:55,385 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 20:04:55,387 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 20:04:55,387 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 20:04:55,390 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 20:04:55,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 08:04:53" (1/3) ... [2019-11-28 20:04:55,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@514c7409 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:04:55, skipping insertion in model container [2019-11-28 20:04:55,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:04:54" (2/3) ... [2019-11-28 20:04:55,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@514c7409 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:04:55, skipping insertion in model container [2019-11-28 20:04:55,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:04:55" (3/3) ... [2019-11-28 20:04:55,394 INFO L109 eAbstractionObserver]: Analyzing ICFG knapsack_alloca_unsafe.i [2019-11-28 20:04:55,403 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 20:04:55,412 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 27 error locations. [2019-11-28 20:04:55,425 INFO L249 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2019-11-28 20:04:55,446 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 20:04:55,446 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-28 20:04:55,446 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 20:04:55,446 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 20:04:55,447 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 20:04:55,447 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 20:04:55,447 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 20:04:55,448 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 20:04:55,465 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states. [2019-11-28 20:04:55,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-28 20:04:55,475 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:04:55,476 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:04:55,477 INFO L410 AbstractCegarLoop]: === Iteration 1 === [knapsackErr6REQUIRES_VIOLATION, knapsackErr17REQUIRES_VIOLATION, knapsackErr7REQUIRES_VIOLATION, knapsackErr5REQUIRES_VIOLATION, knapsackErr16REQUIRES_VIOLATION, knapsackErr14REQUIRES_VIOLATION, knapsackErr4REQUIRES_VIOLATION, knapsackErr15REQUIRES_VIOLATION, knapsackErr2REQUIRES_VIOLATION, knapsackErr13REQUIRES_VIOLATION, knapsackErr3REQUIRES_VIOLATION, knapsackErr0REQUIRES_VIOLATION, knapsackErr1REQUIRES_VIOLATION, knapsackErr12REQUIRES_VIOLATION, knapsackErr10REQUIRES_VIOLATION, knapsackErr11REQUIRES_VIOLATION, knapsackErr9REQUIRES_VIOLATION, knapsackErr18REQUIRES_VIOLATION, knapsackErr8REQUIRES_VIOLATION, knapsackErr19REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr6ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION]=== [2019-11-28 20:04:55,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:04:55,484 INFO L82 PathProgramCache]: Analyzing trace with hash -1775609137, now seen corresponding path program 1 times [2019-11-28 20:04:55,495 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 20:04:55,496 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [928092679] [2019-11-28 20:04:55,496 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-28 20:04:55,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:04:55,784 INFO L264 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 20:04:55,791 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:04:56,002 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 18 [2019-11-28 20:04:56,004 INFO L343 Elim1Store]: treesize reduction 93, result has 20.5 percent of original size [2019-11-28 20:04:56,005 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 38 treesize of output 47 [2019-11-28 20:04:56,007 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 20:04:56,031 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:04:56,034 INFO L534 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2019-11-28 20:04:56,035 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:35, output treesize:33 [2019-11-28 20:04:56,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:04:56,077 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 20:04:56,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:04:56,109 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [928092679] [2019-11-28 20:04:56,109 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:04:56,110 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-11-28 20:04:56,111 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751742480] [2019-11-28 20:04:56,116 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 20:04:56,116 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 20:04:56,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 20:04:56,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 20:04:56,132 INFO L87 Difference]: Start difference. First operand 73 states. Second operand 4 states. [2019-11-28 20:04:56,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:04:56,370 INFO L93 Difference]: Finished difference Result 72 states and 79 transitions. [2019-11-28 20:04:56,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 20:04:56,373 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-11-28 20:04:56,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:04:56,383 INFO L225 Difference]: With dead ends: 72 [2019-11-28 20:04:56,383 INFO L226 Difference]: Without dead ends: 69 [2019-11-28 20:04:56,385 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 20:04:56,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2019-11-28 20:04:56,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2019-11-28 20:04:56,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2019-11-28 20:04:56,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 76 transitions. [2019-11-28 20:04:56,423 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 76 transitions. Word has length 11 [2019-11-28 20:04:56,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:04:56,423 INFO L462 AbstractCegarLoop]: Abstraction has 69 states and 76 transitions. [2019-11-28 20:04:56,423 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 20:04:56,423 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 76 transitions. [2019-11-28 20:04:56,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-28 20:04:56,424 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:04:56,424 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:04:56,625 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-28 20:04:56,629 INFO L410 AbstractCegarLoop]: === Iteration 2 === [knapsackErr6REQUIRES_VIOLATION, knapsackErr17REQUIRES_VIOLATION, knapsackErr7REQUIRES_VIOLATION, knapsackErr5REQUIRES_VIOLATION, knapsackErr16REQUIRES_VIOLATION, knapsackErr14REQUIRES_VIOLATION, knapsackErr4REQUIRES_VIOLATION, knapsackErr15REQUIRES_VIOLATION, knapsackErr2REQUIRES_VIOLATION, knapsackErr13REQUIRES_VIOLATION, knapsackErr3REQUIRES_VIOLATION, knapsackErr0REQUIRES_VIOLATION, knapsackErr1REQUIRES_VIOLATION, knapsackErr12REQUIRES_VIOLATION, knapsackErr10REQUIRES_VIOLATION, knapsackErr11REQUIRES_VIOLATION, knapsackErr9REQUIRES_VIOLATION, knapsackErr18REQUIRES_VIOLATION, knapsackErr8REQUIRES_VIOLATION, knapsackErr19REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr6ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION]=== [2019-11-28 20:04:56,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:04:56,631 INFO L82 PathProgramCache]: Analyzing trace with hash -1775609136, now seen corresponding path program 1 times [2019-11-28 20:04:56,631 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 20:04:56,633 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1022908969] [2019-11-28 20:04:56,634 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-28 20:04:56,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:04:56,777 INFO L264 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-28 20:04:56,779 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:04:56,811 INFO L430 ElimStorePlain]: Different costs {0=[|v_#length_35|], 4=[|v_#valid_50|]} [2019-11-28 20:04:56,822 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 20:04:56,824 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 20:04:56,826 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 20:04:56,891 INFO L343 Elim1Store]: treesize reduction 42, result has 27.6 percent of original size [2019-11-28 20:04:56,892 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 15 treesize of output 21 [2019-11-28 20:04:56,892 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 20:04:56,928 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:04:56,950 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:04:56,951 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 27 [2019-11-28 20:04:56,952 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 20:04:56,985 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:04:56,987 INFO L534 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2019-11-28 20:04:56,987 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:41, output treesize:39 [2019-11-28 20:04:57,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:04:57,037 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 20:04:57,223 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:04:57,223 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 26 [2019-11-28 20:04:57,224 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 20:04:57,251 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:04:57,258 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-28 20:04:57,259 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-28 20:04:57,260 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 20:04:57,306 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:04:57,310 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 20:04:57,311 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 20:04:57,314 INFO L534 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2019-11-28 20:04:57,315 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:47, output treesize:11 [2019-11-28 20:04:57,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:04:57,382 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1022908969] [2019-11-28 20:04:57,383 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:04:57,383 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-11-28 20:04:57,383 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955336921] [2019-11-28 20:04:57,387 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-28 20:04:57,387 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 20:04:57,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-28 20:04:57,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-28 20:04:57,392 INFO L87 Difference]: Start difference. First operand 69 states and 76 transitions. Second operand 8 states. [2019-11-28 20:04:58,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:04:58,493 INFO L93 Difference]: Finished difference Result 133 states and 147 transitions. [2019-11-28 20:04:58,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 20:04:58,495 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2019-11-28 20:04:58,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:04:58,498 INFO L225 Difference]: With dead ends: 133 [2019-11-28 20:04:58,499 INFO L226 Difference]: Without dead ends: 133 [2019-11-28 20:04:58,500 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2019-11-28 20:04:58,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2019-11-28 20:04:58,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 75. [2019-11-28 20:04:58,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-11-28 20:04:58,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 84 transitions. [2019-11-28 20:04:58,516 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 84 transitions. Word has length 11 [2019-11-28 20:04:58,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:04:58,516 INFO L462 AbstractCegarLoop]: Abstraction has 75 states and 84 transitions. [2019-11-28 20:04:58,516 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-28 20:04:58,517 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 84 transitions. [2019-11-28 20:04:58,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-28 20:04:58,517 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:04:58,518 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:04:58,728 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-28 20:04:58,729 INFO L410 AbstractCegarLoop]: === Iteration 3 === [knapsackErr6REQUIRES_VIOLATION, knapsackErr17REQUIRES_VIOLATION, knapsackErr7REQUIRES_VIOLATION, knapsackErr5REQUIRES_VIOLATION, knapsackErr16REQUIRES_VIOLATION, knapsackErr14REQUIRES_VIOLATION, knapsackErr4REQUIRES_VIOLATION, knapsackErr15REQUIRES_VIOLATION, knapsackErr2REQUIRES_VIOLATION, knapsackErr13REQUIRES_VIOLATION, knapsackErr3REQUIRES_VIOLATION, knapsackErr0REQUIRES_VIOLATION, knapsackErr1REQUIRES_VIOLATION, knapsackErr12REQUIRES_VIOLATION, knapsackErr10REQUIRES_VIOLATION, knapsackErr11REQUIRES_VIOLATION, knapsackErr9REQUIRES_VIOLATION, knapsackErr18REQUIRES_VIOLATION, knapsackErr8REQUIRES_VIOLATION, knapsackErr19REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr6ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION]=== [2019-11-28 20:04:58,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:04:58,730 INFO L82 PathProgramCache]: Analyzing trace with hash -1773762094, now seen corresponding path program 1 times [2019-11-28 20:04:58,731 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 20:04:58,732 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [335869520] [2019-11-28 20:04:58,732 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-28 20:04:58,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:04:58,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:04:58,911 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-11-28 20:04:58,912 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 20:04:59,113 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-28 20:04:59,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 08:04:59 BoogieIcfgContainer [2019-11-28 20:04:59,156 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 20:04:59,157 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 20:04:59,158 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 20:04:59,158 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 20:04:59,159 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:04:55" (3/4) ... [2019-11-28 20:04:59,161 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-28 20:04:59,248 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 20:04:59,248 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 20:04:59,250 INFO L168 Benchmark]: Toolchain (without parser) took 5749.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 945.6 MB in the beginning and 827.1 MB in the end (delta: 118.5 MB). Peak memory consumption was 251.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:04:59,251 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:04:59,252 INFO L168 Benchmark]: CACSL2BoogieTranslator took 659.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -156.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:04:59,252 INFO L168 Benchmark]: Boogie Preprocessor took 79.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:04:59,254 INFO L168 Benchmark]: RCFGBuilder took 1143.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 58.2 MB). Peak memory consumption was 58.2 MB. Max. memory is 11.5 GB. [2019-11-28 20:04:59,260 INFO L168 Benchmark]: TraceAbstraction took 3770.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 827.1 MB in the end (delta: 210.5 MB). Peak memory consumption was 210.5 MB. Max. memory is 11.5 GB. [2019-11-28 20:04:59,261 INFO L168 Benchmark]: Witness Printer took 91.15 ms. Allocated memory is still 1.2 GB. Free memory is still 827.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:04:59,267 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 659.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -156.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 79.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1143.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 58.2 MB). Peak memory consumption was 58.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3770.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 827.1 MB in the end (delta: 210.5 MB). Peak memory consumption was 210.5 MB. Max. memory is 11.5 GB. * Witness Printer took 91.15 ms. Allocated memory is still 1.2 GB. Free memory is still 827.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 542]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L527] int N = __VERIFIER_nondet_int(); [L528] int M = __VERIFIER_nondet_int(); [L529] COND FALSE !(N < 1) VAL [M=0, N=1073741824] [L532] COND TRUE M < 1 [L533] M = 1 VAL [M=1, N=1073741824] [L535] int *size = (int*) __builtin_alloca (N * sizeof(int)); [L536] int *val = (int*) __builtin_alloca (N * sizeof(int)); [L537] int *cost = (int*) __builtin_alloca (M * sizeof(int)); [L538] int *best = (int*) __builtin_alloca (M * sizeof(int)); [L540] int i = 0; VAL [__builtin_alloca (M * sizeof(int))={7:0}, __builtin_alloca (M * sizeof(int))={-2147483648:0}, __builtin_alloca (N * sizeof(int))={-1073741824:0}, __builtin_alloca (N * sizeof(int))={3:0}, best={7:0}, cost={-2147483648:0}, i=0, M=1, N=1073741824, size={3:0}, val={-1073741824:0}] [L540] COND TRUE i < N VAL [__builtin_alloca (M * sizeof(int))={7:0}, __builtin_alloca (M * sizeof(int))={-2147483648:0}, __builtin_alloca (N * sizeof(int))={-1073741824:0}, __builtin_alloca (N * sizeof(int))={3:0}, best={7:0}, cost={-2147483648:0}, i=0, M=1, N=1073741824, size={3:0}, val={-1073741824:0}] [L542] size[i] = __VERIFIER_nondet_int() - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 94 locations, 27 error locations. Result: UNSAFE, OverallTime: 3.6s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 154 SDtfs, 152 SDslu, 309 SDs, 0 SdLazy, 140 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred in iteration=2, 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, 2 MinimizatonAttempts, 58 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 40 ConstructedInterpolants, 4 QuantifiedInterpolants, 2460 SizeOfPredicates, 14 NumberOfNonLiveVariables, 120 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...