./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/array-memsafety/lis_unsafe.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/array-memsafety/lis_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 22d1ff4f4fd6702e3a4a8affc05625a9c9bb8113 ............................................................................................................................ 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/lis_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 22d1ff4f4fd6702e3a4a8affc05625a9c9bb8113 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-30f4e4a [2019-11-28 02:32:05,011 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 02:32:05,014 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 02:32:05,031 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 02:32:05,032 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 02:32:05,034 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 02:32:05,036 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 02:32:05,046 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 02:32:05,051 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 02:32:05,054 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 02:32:05,055 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 02:32:05,057 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 02:32:05,058 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 02:32:05,060 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 02:32:05,061 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 02:32:05,063 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 02:32:05,064 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 02:32:05,066 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 02:32:05,068 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 02:32:05,072 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 02:32:05,076 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 02:32:05,080 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 02:32:05,081 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 02:32:05,083 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 02:32:05,086 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 02:32:05,087 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 02:32:05,087 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 02:32:05,089 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 02:32:05,089 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 02:32:05,090 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 02:32:05,090 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 02:32:05,091 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 02:32:05,092 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 02:32:05,093 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 02:32:05,094 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 02:32:05,094 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 02:32:05,095 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 02:32:05,095 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 02:32:05,096 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 02:32:05,097 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 02:32:05,098 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 02:32:05,099 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-28 02:32:05,128 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 02:32:05,128 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 02:32:05,129 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 02:32:05,130 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 02:32:05,130 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 02:32:05,130 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 02:32:05,131 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 02:32:05,131 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 02:32:05,131 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 02:32:05,131 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 02:32:05,132 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 02:32:05,132 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 02:32:05,132 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 02:32:05,132 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 02:32:05,133 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 02:32:05,133 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 02:32:05,133 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 02:32:05,134 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 02:32:05,134 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 02:32:05,134 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 02:32:05,134 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 02:32:05,135 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 02:32:05,135 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 02:32:05,135 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 02:32:05,136 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 02:32:05,136 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 02:32:05,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 02:32:05,136 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 -> 22d1ff4f4fd6702e3a4a8affc05625a9c9bb8113 [2019-11-28 02:32:05,479 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 02:32:05,499 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 02:32:05,504 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 02:32:05,506 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 02:32:05,506 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 02:32:05,507 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/lis_unsafe.i [2019-11-28 02:32:05,570 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/325c1520b/5033daeb8f004561862a8729ac1302df/FLAG207c15e86 [2019-11-28 02:32:06,082 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 02:32:06,083 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/lis_unsafe.i [2019-11-28 02:32:06,101 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/325c1520b/5033daeb8f004561862a8729ac1302df/FLAG207c15e86 [2019-11-28 02:32:06,409 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/325c1520b/5033daeb8f004561862a8729ac1302df [2019-11-28 02:32:06,413 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 02:32:06,415 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 02:32:06,416 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 02:32:06,416 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 02:32:06,420 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 02:32:06,421 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:32:06" (1/1) ... [2019-11-28 02:32:06,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f072d35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:32:06, skipping insertion in model container [2019-11-28 02:32:06,425 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:32:06" (1/1) ... [2019-11-28 02:32:06,433 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 02:32:06,483 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 02:32:06,996 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:32:07,010 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2019-11-28 02:32:07,010 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2593f945 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:32:07, skipping insertion in model container [2019-11-28 02:32:07,011 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 02:32:07,011 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-28 02:32:07,014 INFO L168 Benchmark]: Toolchain (without parser) took 598.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 963.1 MB in the beginning and 1.1 GB in the end (delta: -159.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2019-11-28 02:32:07,015 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:32:07,017 INFO L168 Benchmark]: CACSL2BoogieTranslator took 595.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -164.8 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2019-11-28 02:32:07,019 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 595.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -164.8 MB). Peak memory consumption was 15.1 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 0.1.24-30f4e4a [2019-11-28 02:32:08,681 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 02:32:08,683 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 02:32:08,696 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 02:32:08,697 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 02:32:08,698 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 02:32:08,700 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 02:32:08,702 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 02:32:08,704 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 02:32:08,705 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 02:32:08,708 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 02:32:08,711 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 02:32:08,712 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 02:32:08,715 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 02:32:08,716 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 02:32:08,717 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 02:32:08,717 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 02:32:08,718 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 02:32:08,722 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 02:32:08,726 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 02:32:08,729 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 02:32:08,735 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 02:32:08,736 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 02:32:08,738 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 02:32:08,740 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 02:32:08,743 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 02:32:08,744 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 02:32:08,745 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 02:32:08,746 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 02:32:08,748 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 02:32:08,748 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 02:32:08,749 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 02:32:08,750 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 02:32:08,751 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 02:32:08,752 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 02:32:08,753 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 02:32:08,754 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 02:32:08,754 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 02:32:08,755 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 02:32:08,757 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 02:32:08,758 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 02:32:08,759 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-28 02:32:08,795 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 02:32:08,795 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 02:32:08,799 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 02:32:08,800 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 02:32:08,800 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 02:32:08,800 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 02:32:08,801 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 02:32:08,801 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 02:32:08,803 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 02:32:08,803 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 02:32:08,804 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 02:32:08,804 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 02:32:08,804 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 02:32:08,804 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 02:32:08,805 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 02:32:08,806 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 02:32:08,806 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 02:32:08,807 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 02:32:08,807 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 02:32:08,807 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 02:32:08,808 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 02:32:08,808 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 02:32:08,808 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 02:32:08,809 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 02:32:08,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 02:32:08,809 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 02:32:08,810 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 02:32:08,810 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 02:32:08,810 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 02:32:08,810 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 02:32:08,811 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 -> 22d1ff4f4fd6702e3a4a8affc05625a9c9bb8113 [2019-11-28 02:32:09,101 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 02:32:09,125 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 02:32:09,128 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 02:32:09,130 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 02:32:09,131 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 02:32:09,132 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/lis_unsafe.i [2019-11-28 02:32:09,208 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8556077de/94b2ee073af64ef2b921d9bdd454b841/FLAG406acd835 [2019-11-28 02:32:09,741 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 02:32:09,742 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/lis_unsafe.i [2019-11-28 02:32:09,757 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8556077de/94b2ee073af64ef2b921d9bdd454b841/FLAG406acd835 [2019-11-28 02:32:10,052 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8556077de/94b2ee073af64ef2b921d9bdd454b841 [2019-11-28 02:32:10,056 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 02:32:10,057 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 02:32:10,062 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 02:32:10,062 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 02:32:10,066 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 02:32:10,067 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:32:10" (1/1) ... [2019-11-28 02:32:10,070 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29271dbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:32:10, skipping insertion in model container [2019-11-28 02:32:10,070 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:32:10" (1/1) ... [2019-11-28 02:32:10,079 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 02:32:10,140 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 02:32:10,608 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:32:10,621 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-28 02:32:10,629 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 02:32:10,665 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:32:10,671 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 02:32:10,749 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:32:10,820 INFO L208 MainTranslator]: Completed translation [2019-11-28 02:32:10,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:32:10 WrapperNode [2019-11-28 02:32:10,824 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 02:32:10,825 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 02:32:10,825 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 02:32:10,825 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 02:32:10,839 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:32:10" (1/1) ... [2019-11-28 02:32:10,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:32:10" (1/1) ... [2019-11-28 02:32:10,872 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:32:10" (1/1) ... [2019-11-28 02:32:10,872 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:32:10" (1/1) ... [2019-11-28 02:32:10,893 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:32:10" (1/1) ... [2019-11-28 02:32:10,900 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:32:10" (1/1) ... [2019-11-28 02:32:10,904 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:32:10" (1/1) ... [2019-11-28 02:32:10,911 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 02:32:10,912 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 02:32:10,912 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 02:32:10,912 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 02:32:10,913 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:32:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 02:32:10,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-28 02:32:10,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 02:32:10,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-28 02:32:10,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-28 02:32:10,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-28 02:32:10,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-28 02:32:10,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-28 02:32:10,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-28 02:32:10,976 INFO L138 BoogieDeclarations]: Found implementation of procedure lis [2019-11-28 02:32:10,976 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-28 02:32:10,977 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-28 02:32:10,977 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-28 02:32:10,977 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-28 02:32:10,977 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-28 02:32:10,977 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-28 02:32:10,978 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-28 02:32:10,978 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-28 02:32:10,978 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-28 02:32:10,978 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-28 02:32:10,979 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-28 02:32:10,979 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-28 02:32:10,979 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-28 02:32:10,979 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-28 02:32:10,979 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-28 02:32:10,980 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-28 02:32:10,980 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-28 02:32:10,980 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-28 02:32:10,980 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-28 02:32:10,981 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-28 02:32:10,981 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-28 02:32:10,981 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-28 02:32:10,981 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-28 02:32:10,981 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-28 02:32:10,982 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-28 02:32:10,982 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-28 02:32:10,982 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-28 02:32:10,982 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-28 02:32:10,983 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-28 02:32:10,983 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-28 02:32:10,983 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-28 02:32:10,983 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-28 02:32:10,983 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-28 02:32:10,984 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-28 02:32:10,984 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-28 02:32:10,984 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-28 02:32:10,984 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-28 02:32:10,985 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-28 02:32:10,985 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-28 02:32:10,985 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-28 02:32:10,985 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-28 02:32:10,985 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-28 02:32:10,986 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-28 02:32:10,986 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-28 02:32:10,986 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-28 02:32:10,986 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-28 02:32:10,987 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-28 02:32:10,987 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-28 02:32:10,987 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-28 02:32:10,987 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-28 02:32:10,987 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-28 02:32:10,988 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-28 02:32:10,988 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-28 02:32:10,988 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-28 02:32:10,988 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-28 02:32:10,988 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-28 02:32:10,989 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-28 02:32:10,989 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-28 02:32:10,989 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-28 02:32:10,989 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-28 02:32:10,989 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-28 02:32:10,990 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-28 02:32:10,990 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-28 02:32:10,990 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-28 02:32:10,990 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-28 02:32:10,991 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-28 02:32:10,991 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-28 02:32:10,991 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-28 02:32:10,991 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-28 02:32:10,991 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-28 02:32:10,992 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-28 02:32:10,992 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-28 02:32:10,992 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-28 02:32:10,992 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-28 02:32:10,992 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-28 02:32:10,993 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-28 02:32:10,993 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-28 02:32:10,993 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-28 02:32:10,993 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-28 02:32:10,993 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-28 02:32:10,994 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-28 02:32:10,994 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-28 02:32:10,994 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-28 02:32:10,994 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-28 02:32:10,994 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-28 02:32:10,995 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-28 02:32:10,995 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-28 02:32:10,995 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-28 02:32:10,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-28 02:32:10,995 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-28 02:32:10,996 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-28 02:32:10,996 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-28 02:32:10,996 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-28 02:32:10,996 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-28 02:32:10,996 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-28 02:32:10,997 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-28 02:32:10,997 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-28 02:32:10,997 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-28 02:32:10,997 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-28 02:32:10,997 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-28 02:32:10,998 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-28 02:32:10,998 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-28 02:32:10,998 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-28 02:32:10,998 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-28 02:32:10,998 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-28 02:32:10,999 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-28 02:32:10,999 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-28 02:32:10,999 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-28 02:32:10,999 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-28 02:32:11,000 INFO L130 BoogieDeclarations]: Found specification of procedure lis [2019-11-28 02:32:11,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 02:32:11,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 02:32:11,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 02:32:11,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 02:32:11,001 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-28 02:32:11,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-28 02:32:11,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 02:32:11,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-28 02:32:12,084 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 02:32:12,085 INFO L297 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-28 02:32:12,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:32:12 BoogieIcfgContainer [2019-11-28 02:32:12,086 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 02:32:12,087 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 02:32:12,087 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 02:32:12,090 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 02:32:12,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:32:10" (1/3) ... [2019-11-28 02:32:12,091 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e2cad60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:32:12, skipping insertion in model container [2019-11-28 02:32:12,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:32:10" (2/3) ... [2019-11-28 02:32:12,092 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e2cad60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:32:12, skipping insertion in model container [2019-11-28 02:32:12,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:32:12" (3/3) ... [2019-11-28 02:32:12,094 INFO L109 eAbstractionObserver]: Analyzing ICFG lis_unsafe.i [2019-11-28 02:32:12,104 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 02:32:12,111 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 29 error locations. [2019-11-28 02:32:12,121 INFO L249 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2019-11-28 02:32:12,136 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 02:32:12,137 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-28 02:32:12,137 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 02:32:12,137 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 02:32:12,137 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 02:32:12,138 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 02:32:12,138 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 02:32:12,138 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 02:32:12,156 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states. [2019-11-28 02:32:12,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-28 02:32:12,166 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:32:12,167 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:32:12,167 INFO L410 AbstractCegarLoop]: === Iteration 1 === [lisErr12REQUIRES_VIOLATION, lisErr11REQUIRES_VIOLATION, lisErr10REQUIRES_VIOLATION, lisErr23ASSERT_VIOLATIONMEMORY_FREE, lisErr9REQUIRES_VIOLATION, lisErr8REQUIRES_VIOLATION, lisErr26ASSERT_VIOLATIONMEMORY_FREE, lisErr17REQUIRES_VIOLATION, lisErr25ASSERT_VIOLATIONMEMORY_FREE, lisErr16REQUIRES_VIOLATION, lisErr15REQUIRES_VIOLATION, lisErr14REQUIRES_VIOLATION, lisErr13REQUIRES_VIOLATION, lisErr1REQUIRES_VIOLATION, lisErr0REQUIRES_VIOLATION, lisErr21REQUIRES_VIOLATION, lisErr22ASSERT_VIOLATIONMEMORY_FREE, lisErr27ASSERT_VIOLATIONMEMORY_FREE, lisErr20REQUIRES_VIOLATION, lisErr24ASSERT_VIOLATIONMEMORY_FREE, lisErr19REQUIRES_VIOLATION, lisErr18REQUIRES_VIOLATION, lisErr7REQUIRES_VIOLATION, lisErr6REQUIRES_VIOLATION, lisErr5REQUIRES_VIOLATION, lisErr4REQUIRES_VIOLATION, lisErr3REQUIRES_VIOLATION, lisErr2REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-11-28 02:32:12,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:32:12,174 INFO L82 PathProgramCache]: Analyzing trace with hash -1899922095, now seen corresponding path program 1 times [2019-11-28 02:32:12,184 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:32:12,184 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2036431261] [2019-11-28 02:32:12,185 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-28 02:32:12,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:32:12,395 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 02:32:12,403 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:32:12,499 INFO L343 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2019-11-28 02:32:12,500 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2019-11-28 02:32:12,501 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 02:32:12,513 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:32:12,514 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-28 02:32:12,515 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:15 [2019-11-28 02:32:12,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:32:12,539 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:32:12,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:32:12,572 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2036431261] [2019-11-28 02:32:12,573 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:32:12,573 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-11-28 02:32:12,574 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349691299] [2019-11-28 02:32:12,579 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 02:32:12,580 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 02:32:12,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 02:32:12,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 02:32:12,598 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 4 states. [2019-11-28 02:32:12,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:32:12,876 INFO L93 Difference]: Finished difference Result 71 states and 78 transitions. [2019-11-28 02:32:12,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 02:32:12,879 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-11-28 02:32:12,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:32:12,892 INFO L225 Difference]: With dead ends: 71 [2019-11-28 02:32:12,892 INFO L226 Difference]: Without dead ends: 68 [2019-11-28 02:32:12,894 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 02:32:12,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2019-11-28 02:32:12,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2019-11-28 02:32:12,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2019-11-28 02:32:12,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 75 transitions. [2019-11-28 02:32:12,954 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 75 transitions. Word has length 11 [2019-11-28 02:32:12,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:32:12,955 INFO L462 AbstractCegarLoop]: Abstraction has 68 states and 75 transitions. [2019-11-28 02:32:12,955 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 02:32:12,955 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 75 transitions. [2019-11-28 02:32:12,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-28 02:32:12,956 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:32:12,956 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:32:13,168 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-28 02:32:13,169 INFO L410 AbstractCegarLoop]: === Iteration 2 === [lisErr12REQUIRES_VIOLATION, lisErr11REQUIRES_VIOLATION, lisErr10REQUIRES_VIOLATION, lisErr23ASSERT_VIOLATIONMEMORY_FREE, lisErr9REQUIRES_VIOLATION, lisErr8REQUIRES_VIOLATION, lisErr26ASSERT_VIOLATIONMEMORY_FREE, lisErr17REQUIRES_VIOLATION, lisErr25ASSERT_VIOLATIONMEMORY_FREE, lisErr16REQUIRES_VIOLATION, lisErr15REQUIRES_VIOLATION, lisErr14REQUIRES_VIOLATION, lisErr13REQUIRES_VIOLATION, lisErr1REQUIRES_VIOLATION, lisErr0REQUIRES_VIOLATION, lisErr21REQUIRES_VIOLATION, lisErr22ASSERT_VIOLATIONMEMORY_FREE, lisErr27ASSERT_VIOLATIONMEMORY_FREE, lisErr20REQUIRES_VIOLATION, lisErr24ASSERT_VIOLATIONMEMORY_FREE, lisErr19REQUIRES_VIOLATION, lisErr18REQUIRES_VIOLATION, lisErr7REQUIRES_VIOLATION, lisErr6REQUIRES_VIOLATION, lisErr5REQUIRES_VIOLATION, lisErr4REQUIRES_VIOLATION, lisErr3REQUIRES_VIOLATION, lisErr2REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-11-28 02:32:13,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:32:13,169 INFO L82 PathProgramCache]: Analyzing trace with hash -1899922094, now seen corresponding path program 1 times [2019-11-28 02:32:13,170 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:32:13,170 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1494696209] [2019-11-28 02:32:13,171 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-28 02:32:13,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:32:13,318 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-28 02:32:13,322 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:32:13,345 INFO L404 ElimStorePlain]: Different costs {0=[|v_#length_31|], 1=[|v_#valid_47|]} [2019-11-28 02:32:13,350 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 02:32:13,353 INFO L377 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 0 case distinctions, treesize of input 9 treesize of output 11 [2019-11-28 02:32:13,353 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 02:32:13,370 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:32:13,378 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-28 02:32:13,379 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 02:32:13,397 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:32:13,399 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-28 02:32:13,400 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:24, output treesize:21 [2019-11-28 02:32:13,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:32:13,435 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:32:13,578 INFO L404 ElimStorePlain]: Different costs {1=[|#valid|], 2=[|#length|]} [2019-11-28 02:32:13,586 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-28 02:32:13,586 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 02:32:13,602 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:32:13,604 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-28 02:32:13,605 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 02:32:13,615 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:32:13,616 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 02:32:13,616 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:25, output treesize:5 [2019-11-28 02:32:13,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:32:13,671 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1494696209] [2019-11-28 02:32:13,671 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:32:13,671 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-11-28 02:32:13,671 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735926722] [2019-11-28 02:32:13,673 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-28 02:32:13,673 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 02:32:13,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-28 02:32:13,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-28 02:32:13,674 INFO L87 Difference]: Start difference. First operand 68 states and 75 transitions. Second operand 8 states. [2019-11-28 02:32:14,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:32:14,809 INFO L93 Difference]: Finished difference Result 166 states and 186 transitions. [2019-11-28 02:32:14,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 02:32:14,810 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2019-11-28 02:32:14,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:32:14,815 INFO L225 Difference]: With dead ends: 166 [2019-11-28 02:32:14,815 INFO L226 Difference]: Without dead ends: 166 [2019-11-28 02:32:14,816 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2019-11-28 02:32:14,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2019-11-28 02:32:14,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 127. [2019-11-28 02:32:14,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2019-11-28 02:32:14,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 177 transitions. [2019-11-28 02:32:14,838 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 177 transitions. Word has length 11 [2019-11-28 02:32:14,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:32:14,838 INFO L462 AbstractCegarLoop]: Abstraction has 127 states and 177 transitions. [2019-11-28 02:32:14,838 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-28 02:32:14,839 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 177 transitions. [2019-11-28 02:32:14,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-28 02:32:14,839 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:32:14,840 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:32:15,042 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-28 02:32:15,046 INFO L410 AbstractCegarLoop]: === Iteration 3 === [lisErr12REQUIRES_VIOLATION, lisErr11REQUIRES_VIOLATION, lisErr10REQUIRES_VIOLATION, lisErr23ASSERT_VIOLATIONMEMORY_FREE, lisErr9REQUIRES_VIOLATION, lisErr8REQUIRES_VIOLATION, lisErr26ASSERT_VIOLATIONMEMORY_FREE, lisErr17REQUIRES_VIOLATION, lisErr25ASSERT_VIOLATIONMEMORY_FREE, lisErr16REQUIRES_VIOLATION, lisErr15REQUIRES_VIOLATION, lisErr14REQUIRES_VIOLATION, lisErr13REQUIRES_VIOLATION, lisErr1REQUIRES_VIOLATION, lisErr0REQUIRES_VIOLATION, lisErr21REQUIRES_VIOLATION, lisErr22ASSERT_VIOLATIONMEMORY_FREE, lisErr27ASSERT_VIOLATIONMEMORY_FREE, lisErr20REQUIRES_VIOLATION, lisErr24ASSERT_VIOLATIONMEMORY_FREE, lisErr19REQUIRES_VIOLATION, lisErr18REQUIRES_VIOLATION, lisErr7REQUIRES_VIOLATION, lisErr6REQUIRES_VIOLATION, lisErr5REQUIRES_VIOLATION, lisErr4REQUIRES_VIOLATION, lisErr3REQUIRES_VIOLATION, lisErr2REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-11-28 02:32:15,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:32:15,046 INFO L82 PathProgramCache]: Analyzing trace with hash -1898075052, now seen corresponding path program 1 times [2019-11-28 02:32:15,048 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:32:15,048 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [405806904] [2019-11-28 02:32:15,048 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-28 02:32:15,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:32:15,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:32:15,261 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-11-28 02:32:15,261 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 02:32:15,462 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-28 02:32:15,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:32:15 BoogieIcfgContainer [2019-11-28 02:32:15,484 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 02:32:15,485 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 02:32:15,485 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 02:32:15,485 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 02:32:15,486 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:32:12" (3/4) ... [2019-11-28 02:32:15,488 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-28 02:32:15,534 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 02:32:15,534 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 02:32:15,536 INFO L168 Benchmark]: Toolchain (without parser) took 5479.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 959.0 MB in the beginning and 878.3 MB in the end (delta: 80.7 MB). Peak memory consumption was 226.5 MB. Max. memory is 11.5 GB. [2019-11-28 02:32:15,537 INFO L168 Benchmark]: CDTParser took 0.53 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:32:15,538 INFO L168 Benchmark]: CACSL2BoogieTranslator took 762.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -167.3 MB). Peak memory consumption was 16.6 MB. Max. memory is 11.5 GB. [2019-11-28 02:32:15,538 INFO L168 Benchmark]: Boogie Preprocessor took 86.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 02:32:15,539 INFO L168 Benchmark]: RCFGBuilder took 1174.07 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: 56.8 MB). Peak memory consumption was 56.8 MB. Max. memory is 11.5 GB. [2019-11-28 02:32:15,540 INFO L168 Benchmark]: TraceAbstraction took 3397.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 878.3 MB in the end (delta: 179.3 MB). Peak memory consumption was 179.3 MB. Max. memory is 11.5 GB. [2019-11-28 02:32:15,541 INFO L168 Benchmark]: Witness Printer took 50.01 ms. Allocated memory is still 1.2 GB. Free memory is still 878.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:32:15,544 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 762.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -167.3 MB). Peak memory consumption was 16.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 86.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1174.07 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: 56.8 MB). Peak memory consumption was 56.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3397.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 878.3 MB in the end (delta: 179.3 MB). Peak memory consumption was 179.3 MB. Max. memory is 11.5 GB. * Witness Printer took 50.01 ms. Allocated memory is still 1.2 GB. Free memory is still 878.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 518]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L531] int *a; [L532] int N = __VERIFIER_nondet_int(); [L533] COND FALSE !(N < 1) VAL [N=1073741824] [L535] CALL lis(a, N) VAL [\old(N)=1073741824, a={7:8}] [L514] int *best, *prev, i, j, max = 0; [L515] best = (int*) malloc(sizeof(int) * N) [L516] prev = (int*) malloc(sizeof(int) * N) [L517] i = 0 VAL [\old(N)=1073741824, a={7:8}, a={7:8}, best={1:0}, i=0, malloc(sizeof(int) * N)={1:0}, malloc(sizeof(int) * N)={2:0}, max=0, N=1073741824, prev={2:0}] [L517] COND TRUE i < N VAL [\old(N)=1073741824, a={7:8}, a={7:8}, best={1:0}, i=0, malloc(sizeof(int) * N)={1:0}, malloc(sizeof(int) * N)={2:0}, max=0, N=1073741824, prev={2:0}] [L518] best[i] = 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 100 locations, 29 error locations. Result: UNSAFE, OverallTime: 3.3s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 123 SDtfs, 244 SDslu, 269 SDs, 0 SdLazy, 186 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=127occurred 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, 39 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 40 ConstructedInterpolants, 4 QuantifiedInterpolants, 1960 SizeOfPredicates, 10 NumberOfNonLiveVariables, 116 ConjunctsInSsa, 14 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...