./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6692e4fc 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/ldv-memsafety/memleaks_test1-3.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-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 64bit --witnessprinter.graph.data.programhash 7210087ed4202b2135d1108918e88b59870adcd4 ......................................................................................................................... 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/ldv-memsafety/memleaks_test1-3.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-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 64bit --witnessprinter.graph.data.programhash 7210087ed4202b2135d1108918e88b59870adcd4 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported --- Real Ultimate output --- This is Ultimate 0.1.24-6692e4f [2019-11-25 17:11:16,008 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 17:11:16,011 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 17:11:16,030 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 17:11:16,031 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 17:11:16,033 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 17:11:16,035 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 17:11:16,045 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 17:11:16,051 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 17:11:16,055 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 17:11:16,058 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 17:11:16,060 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 17:11:16,060 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 17:11:16,062 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 17:11:16,065 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 17:11:16,066 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 17:11:16,068 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 17:11:16,070 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 17:11:16,072 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 17:11:16,076 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 17:11:16,081 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 17:11:16,085 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 17:11:16,087 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 17:11:16,089 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 17:11:16,092 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 17:11:16,092 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 17:11:16,092 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 17:11:16,093 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 17:11:16,094 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 17:11:16,094 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 17:11:16,095 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 17:11:16,095 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 17:11:16,096 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 17:11:16,097 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 17:11:16,098 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 17:11:16,098 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 17:11:16,099 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 17:11:16,099 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 17:11:16,100 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 17:11:16,101 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 17:11:16,102 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 17:11:16,103 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2019-11-25 17:11:16,117 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 17:11:16,117 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 17:11:16,119 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 17:11:16,119 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 17:11:16,119 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 17:11:16,120 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 17:11:16,120 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 17:11:16,120 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 17:11:16,120 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 17:11:16,121 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-25 17:11:16,121 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-25 17:11:16,121 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-25 17:11:16,122 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 17:11:16,122 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-25 17:11:16,122 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 17:11:16,122 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 17:11:16,123 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 17:11:16,123 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 17:11:16,123 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 17:11:16,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 17:11:16,124 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 17:11:16,124 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 17:11:16,125 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 17:11:16,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 17:11:16,125 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7210087ed4202b2135d1108918e88b59870adcd4 [2019-11-25 17:11:16,472 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 17:11:16,486 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 17:11:16,489 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 17:11:16,491 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 17:11:16,492 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 17:11:16,493 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i [2019-11-25 17:11:16,554 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3199b1401/161237829b4343e382e332b09a35edb9/FLAGe7ed22d1b [2019-11-25 17:11:17,065 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 17:11:17,066 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i [2019-11-25 17:11:17,085 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3199b1401/161237829b4343e382e332b09a35edb9/FLAGe7ed22d1b [2019-11-25 17:11:17,380 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3199b1401/161237829b4343e382e332b09a35edb9 [2019-11-25 17:11:17,383 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 17:11:17,384 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-25 17:11:17,385 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 17:11:17,386 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 17:11:17,389 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 17:11:17,390 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:11:17" (1/1) ... [2019-11-25 17:11:17,393 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@502e7484 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:11:17, skipping insertion in model container [2019-11-25 17:11:17,394 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:11:17" (1/1) ... [2019-11-25 17:11:17,401 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 17:11:17,457 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 17:11:18,028 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 17:11:18,055 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) [2019-11-25 17:11:18,056 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5f5d6375 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:11:18, skipping insertion in model container [2019-11-25 17:11:18,056 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 17:11:18,057 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-25 17:11:18,060 INFO L168 Benchmark]: Toolchain (without parser) took 674.16 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 84.9 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -114.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2019-11-25 17:11:18,060 INFO L168 Benchmark]: CDTParser took 0.28 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. [2019-11-25 17:11:18,061 INFO L168 Benchmark]: CACSL2BoogieTranslator took 671.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 84.9 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -114.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2019-11-25 17:11:18,064 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 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 671.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 84.9 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -114.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 577]: 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 0.1.24-6692e4f [2019-11-25 17:11:19,796 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 17:11:19,799 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 17:11:19,818 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 17:11:19,818 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 17:11:19,820 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 17:11:19,823 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 17:11:19,833 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 17:11:19,839 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 17:11:19,842 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 17:11:19,845 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 17:11:19,847 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 17:11:19,848 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 17:11:19,851 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 17:11:19,852 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 17:11:19,854 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 17:11:19,856 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 17:11:19,857 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 17:11:19,860 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 17:11:19,864 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 17:11:19,869 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 17:11:19,874 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 17:11:19,876 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 17:11:19,878 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 17:11:19,882 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 17:11:19,882 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 17:11:19,882 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 17:11:19,884 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 17:11:19,885 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 17:11:19,886 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 17:11:19,886 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 17:11:19,887 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 17:11:19,888 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 17:11:19,889 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 17:11:19,891 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 17:11:19,891 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 17:11:19,892 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 17:11:19,892 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 17:11:19,893 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 17:11:19,894 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 17:11:19,895 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 17:11:19,896 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-25 17:11:19,934 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 17:11:19,934 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 17:11:19,938 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 17:11:19,938 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 17:11:19,938 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 17:11:19,939 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 17:11:19,939 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 17:11:19,939 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 17:11:19,941 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 17:11:19,941 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-25 17:11:19,941 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-25 17:11:19,941 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-25 17:11:19,942 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 17:11:19,944 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-25 17:11:19,944 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 17:11:19,944 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 17:11:19,945 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 17:11:19,945 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 17:11:19,945 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 17:11:19,946 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 17:11:19,947 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 17:11:19,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 17:11:19,947 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 17:11:19,949 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 17:11:19,949 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 17:11:19,949 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 17:11:19,950 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 17:11:19,950 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7210087ed4202b2135d1108918e88b59870adcd4 [2019-11-25 17:11:20,237 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 17:11:20,251 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 17:11:20,255 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 17:11:20,256 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 17:11:20,257 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 17:11:20,258 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i [2019-11-25 17:11:20,320 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a5f635ee/4f842ec7b486455183358b43f62c1a63/FLAG34527b5bf [2019-11-25 17:11:20,900 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 17:11:20,902 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i [2019-11-25 17:11:20,930 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a5f635ee/4f842ec7b486455183358b43f62c1a63/FLAG34527b5bf [2019-11-25 17:11:21,187 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a5f635ee/4f842ec7b486455183358b43f62c1a63 [2019-11-25 17:11:21,190 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 17:11:21,192 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-25 17:11:21,194 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 17:11:21,194 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 17:11:21,197 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 17:11:21,198 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:11:21" (1/1) ... [2019-11-25 17:11:21,201 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47ad9a2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:11:21, skipping insertion in model container [2019-11-25 17:11:21,202 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:11:21" (1/1) ... [2019-11-25 17:11:21,209 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 17:11:21,268 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 17:11:21,750 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 17:11:21,773 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-25 17:11:21,782 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 17:11:21,845 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 17:11:21,856 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 17:11:21,918 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 17:11:22,025 INFO L208 MainTranslator]: Completed translation [2019-11-25 17:11:22,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:11:22 WrapperNode [2019-11-25 17:11:22,026 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 17:11:22,027 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 17:11:22,027 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 17:11:22,027 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 17:11:22,037 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:11:22" (1/1) ... [2019-11-25 17:11:22,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:11:22" (1/1) ... [2019-11-25 17:11:22,066 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:11:22" (1/1) ... [2019-11-25 17:11:22,066 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:11:22" (1/1) ... [2019-11-25 17:11:22,105 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:11:22" (1/1) ... [2019-11-25 17:11:22,112 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:11:22" (1/1) ... [2019-11-25 17:11:22,119 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:11:22" (1/1) ... [2019-11-25 17:11:22,131 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 17:11:22,131 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 17:11:22,132 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 17:11:22,132 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 17:11:22,133 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:11:22" (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 [2019-11-25 17:11:22,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-25 17:11:22,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 17:11:22,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-25 17:11:22,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-25 17:11:22,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-25 17:11:22,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-25 17:11:22,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-25 17:11:22,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-25 17:11:22,202 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-25 17:11:22,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-25 17:11:22,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-25 17:11:22,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-25 17:11:22,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-25 17:11:22,203 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-25 17:11:22,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-25 17:11:22,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-25 17:11:22,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-25 17:11:22,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-25 17:11:22,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-25 17:11:22,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-25 17:11:22,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-25 17:11:22,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-25 17:11:22,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-25 17:11:22,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-25 17:11:22,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-25 17:11:22,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-25 17:11:22,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-25 17:11:22,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-25 17:11:22,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-25 17:11:22,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-25 17:11:22,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-25 17:11:22,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-25 17:11:22,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-25 17:11:22,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-25 17:11:22,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-25 17:11:22,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-25 17:11:22,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-25 17:11:22,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-25 17:11:22,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-25 17:11:22,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-25 17:11:22,210 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-25 17:11:22,210 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-25 17:11:22,210 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-25 17:11:22,210 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-25 17:11:22,210 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-25 17:11:22,211 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-25 17:11:22,211 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-25 17:11:22,211 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-25 17:11:22,211 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-25 17:11:22,211 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-25 17:11:22,212 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-25 17:11:22,212 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-25 17:11:22,212 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-25 17:11:22,212 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-25 17:11:22,213 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-25 17:11:22,213 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-25 17:11:22,213 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-25 17:11:22,213 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-25 17:11:22,213 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-25 17:11:22,214 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-25 17:11:22,214 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-25 17:11:22,214 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-25 17:11:22,214 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-25 17:11:22,214 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-25 17:11:22,215 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-25 17:11:22,215 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-25 17:11:22,215 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-25 17:11:22,215 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-25 17:11:22,215 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-25 17:11:22,216 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-25 17:11:22,216 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-25 17:11:22,216 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-25 17:11:22,216 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-25 17:11:22,217 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-25 17:11:22,217 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-25 17:11:22,217 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-25 17:11:22,217 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-25 17:11:22,217 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-25 17:11:22,218 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-25 17:11:22,218 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-25 17:11:22,218 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-25 17:11:22,218 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-25 17:11:22,224 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-25 17:11:22,225 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-25 17:11:22,225 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-25 17:11:22,225 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-25 17:11:22,225 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-25 17:11:22,226 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-25 17:11:22,226 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-25 17:11:22,226 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-25 17:11:22,226 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-25 17:11:22,226 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-25 17:11:22,227 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-25 17:11:22,227 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-25 17:11:22,227 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-25 17:11:22,227 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-25 17:11:22,227 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-25 17:11:22,228 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-25 17:11:22,228 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-25 17:11:22,228 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-25 17:11:22,228 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-25 17:11:22,229 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-25 17:11:22,229 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-25 17:11:22,229 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-25 17:11:22,229 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-25 17:11:22,230 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-25 17:11:22,230 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-25 17:11:22,230 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-25 17:11:22,230 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-25 17:11:22,230 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-25 17:11:22,231 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-25 17:11:22,231 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-25 17:11:22,232 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-25 17:11:22,232 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-25 17:11:22,232 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-25 17:11:22,232 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-25 17:11:22,233 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-25 17:11:22,233 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-25 17:11:22,234 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-25 17:11:22,234 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-25 17:11:22,235 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-25 17:11:22,235 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-25 17:11:22,235 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-25 17:11:22,236 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-25 17:11:22,236 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-25 17:11:22,236 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-25 17:11:22,236 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-25 17:11:22,236 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-25 17:11:22,237 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-25 17:11:22,238 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-25 17:11:22,241 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-25 17:11:22,242 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-25 17:11:22,242 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-25 17:11:22,242 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-25 17:11:22,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-25 17:11:22,243 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-25 17:11:22,243 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-25 17:11:22,244 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-25 17:11:22,244 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-25 17:11:22,244 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-25 17:11:22,244 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-25 17:11:22,244 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-25 17:11:22,253 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-25 17:11:22,253 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-25 17:11:22,254 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-25 17:11:22,254 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-25 17:11:22,254 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-25 17:11:22,254 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-25 17:11:22,254 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-25 17:11:22,255 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-25 17:11:22,255 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-25 17:11:22,255 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-25 17:11:22,255 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-25 17:11:22,255 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-25 17:11:22,256 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-25 17:11:22,256 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-25 17:11:22,256 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-25 17:11:22,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-25 17:11:22,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-25 17:11:22,257 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-25 17:11:22,257 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-25 17:11:22,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-25 17:11:22,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-25 17:11:22,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-25 17:11:22,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-25 17:11:22,258 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-25 17:11:22,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-25 17:11:22,259 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-25 17:11:22,259 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-25 17:11:22,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-25 17:11:22,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-25 17:11:22,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-25 17:11:22,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-25 17:11:22,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-25 17:11:22,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-25 17:11:22,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-25 17:11:22,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-25 17:11:22,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 17:11:22,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-25 17:11:22,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-25 17:11:22,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-25 17:11:22,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-25 17:11:22,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-25 17:11:22,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-25 17:11:22,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-25 17:11:22,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-25 17:11:22,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-25 17:11:22,265 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-25 17:11:22,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-25 17:11:22,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-25 17:11:22,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-25 17:11:22,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-25 17:11:22,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-25 17:11:22,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-25 17:11:22,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-25 17:11:22,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-25 17:11:22,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-25 17:11:22,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-25 17:11:22,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-25 17:11:22,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-25 17:11:22,267 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-25 17:11:22,267 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-25 17:11:22,268 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-25 17:11:22,268 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-25 17:11:22,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-25 17:11:22,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 17:11:22,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-25 17:11:22,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 17:11:22,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-25 17:11:22,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-25 17:11:22,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-25 17:11:22,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-25 17:11:22,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-25 17:11:22,936 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-25 17:11:23,333 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-25 17:11:23,688 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 17:11:23,688 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-25 17:11:23,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:11:23 BoogieIcfgContainer [2019-11-25 17:11:23,689 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 17:11:23,691 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 17:11:23,691 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 17:11:23,694 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 17:11:23,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:11:21" (1/3) ... [2019-11-25 17:11:23,696 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@296243c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:11:23, skipping insertion in model container [2019-11-25 17:11:23,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:11:22" (2/3) ... [2019-11-25 17:11:23,696 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@296243c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:11:23, skipping insertion in model container [2019-11-25 17:11:23,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:11:23" (3/3) ... [2019-11-25 17:11:23,698 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test1-3.i [2019-11-25 17:11:23,711 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 17:11:23,722 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2019-11-25 17:11:23,734 INFO L249 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2019-11-25 17:11:23,758 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 17:11:23,758 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-25 17:11:23,759 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 17:11:23,759 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 17:11:23,759 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 17:11:23,759 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 17:11:23,760 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 17:11:23,760 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 17:11:23,783 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states. [2019-11-25 17:11:23,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-25 17:11:23,794 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 17:11:23,795 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 17:11:23,795 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 17:11:23,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 17:11:23,802 INFO L82 PathProgramCache]: Analyzing trace with hash -1839111754, now seen corresponding path program 1 times [2019-11-25 17:11:23,814 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 17:11:23,815 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [51263370] [2019-11-25 17:11:23,815 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 [2019-11-25 17:11:23,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 17:11:23,982 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 17:11:23,989 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 17:11:24,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 17:11:24,050 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 17:11:24,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 17:11:24,130 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [51263370] [2019-11-25 17:11:24,131 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 17:11:24,131 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-25 17:11:24,132 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223517669] [2019-11-25 17:11:24,137 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 17:11:24,138 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 17:11:24,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 17:11:24,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 17:11:24,156 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 5 states. [2019-11-25 17:11:24,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 17:11:24,194 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2019-11-25 17:11:24,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 17:11:24,196 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2019-11-25 17:11:24,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 17:11:24,208 INFO L225 Difference]: With dead ends: 24 [2019-11-25 17:11:24,211 INFO L226 Difference]: Without dead ends: 21 [2019-11-25 17:11:24,214 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 17:11:24,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-11-25 17:11:24,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-11-25 17:11:24,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-25 17:11:24,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2019-11-25 17:11:24,260 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 13 [2019-11-25 17:11:24,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 17:11:24,261 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2019-11-25 17:11:24,261 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 17:11:24,262 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2019-11-25 17:11:24,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-25 17:11:24,263 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 17:11:24,263 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 17:11:24,484 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-25 17:11:24,485 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 17:11:24,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 17:11:24,486 INFO L82 PathProgramCache]: Analyzing trace with hash -1177889137, now seen corresponding path program 1 times [2019-11-25 17:11:24,486 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 17:11:24,487 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2027902827] [2019-11-25 17:11:24,487 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 [2019-11-25 17:11:24,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 17:11:24,663 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-25 17:11:24,665 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 17:11:24,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 17:11:24,766 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 17:11:24,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 17:11:24,884 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2027902827] [2019-11-25 17:11:24,884 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 17:11:24,884 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 8 [2019-11-25 17:11:24,884 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025551471] [2019-11-25 17:11:24,888 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-25 17:11:24,888 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 17:11:24,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-25 17:11:24,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-11-25 17:11:24,890 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 9 states. [2019-11-25 17:11:25,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 17:11:25,062 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2019-11-25 17:11:25,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-25 17:11:25,063 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2019-11-25 17:11:25,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 17:11:25,067 INFO L225 Difference]: With dead ends: 28 [2019-11-25 17:11:25,067 INFO L226 Difference]: Without dead ends: 28 [2019-11-25 17:11:25,068 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-11-25 17:11:25,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2019-11-25 17:11:25,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 20. [2019-11-25 17:11:25,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-11-25 17:11:25,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2019-11-25 17:11:25,082 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 14 [2019-11-25 17:11:25,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 17:11:25,082 INFO L462 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2019-11-25 17:11:25,083 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-25 17:11:25,084 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2019-11-25 17:11:25,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-25 17:11:25,085 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 17:11:25,085 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 17:11:25,285 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-25 17:11:25,287 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 17:11:25,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 17:11:25,288 INFO L82 PathProgramCache]: Analyzing trace with hash 2140142808, now seen corresponding path program 1 times [2019-11-25 17:11:25,289 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 17:11:25,289 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1505790400] [2019-11-25 17:11:25,289 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 [2019-11-25 17:11:25,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 17:11:25,443 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 17:11:25,445 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 17:11:25,484 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-25 17:11:25,485 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 17:11:25,491 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 17:11:25,492 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-25 17:11:25,492 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-25 17:11:25,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 17:11:25,515 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 17:11:25,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 17:11:25,565 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1505790400] [2019-11-25 17:11:25,565 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 17:11:25,565 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-25 17:11:25,566 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269979018] [2019-11-25 17:11:25,566 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 17:11:25,566 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 17:11:25,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 17:11:25,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 17:11:25,567 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand 5 states. [2019-11-25 17:11:25,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 17:11:25,612 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2019-11-25 17:11:25,612 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 17:11:25,612 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2019-11-25 17:11:25,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 17:11:25,613 INFO L225 Difference]: With dead ends: 26 [2019-11-25 17:11:25,613 INFO L226 Difference]: Without dead ends: 26 [2019-11-25 17:11:25,614 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 17:11:25,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-11-25 17:11:25,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2019-11-25 17:11:25,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-11-25 17:11:25,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2019-11-25 17:11:25,620 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 15 [2019-11-25 17:11:25,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 17:11:25,620 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2019-11-25 17:11:25,620 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 17:11:25,620 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2019-11-25 17:11:25,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-25 17:11:25,621 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 17:11:25,621 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 17:11:25,833 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-25 17:11:25,834 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 17:11:25,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 17:11:25,834 INFO L82 PathProgramCache]: Analyzing trace with hash -1267320807, now seen corresponding path program 1 times [2019-11-25 17:11:25,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 17:11:25,835 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [423029804] [2019-11-25 17:11:25,835 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-11-25 17:11:25,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 17:11:25,948 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-25 17:11:25,949 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 17:11:25,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 17:11:25,973 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 17:11:25,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 17:11:25,994 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [423029804] [2019-11-25 17:11:25,994 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 17:11:25,995 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-25 17:11:25,995 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729021719] [2019-11-25 17:11:25,995 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 17:11:25,995 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 17:11:25,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 17:11:25,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 17:11:25,996 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. Second operand 5 states. [2019-11-25 17:11:26,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 17:11:26,019 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2019-11-25 17:11:26,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 17:11:26,019 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2019-11-25 17:11:26,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 17:11:26,020 INFO L225 Difference]: With dead ends: 27 [2019-11-25 17:11:26,020 INFO L226 Difference]: Without dead ends: 27 [2019-11-25 17:11:26,021 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 17:11:26,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-11-25 17:11:26,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 19. [2019-11-25 17:11:26,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-25 17:11:26,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2019-11-25 17:11:26,024 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 15 [2019-11-25 17:11:26,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 17:11:26,025 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2019-11-25 17:11:26,025 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 17:11:26,025 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2019-11-25 17:11:26,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-25 17:11:26,025 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 17:11:26,026 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 17:11:26,234 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-25 17:11:26,235 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 17:11:26,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 17:11:26,235 INFO L82 PathProgramCache]: Analyzing trace with hash -1794725483, now seen corresponding path program 1 times [2019-11-25 17:11:26,235 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 17:11:26,235 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1194967062] [2019-11-25 17:11:26,236 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-11-25 17:11:26,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 17:11:26,354 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-25 17:11:26,356 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 17:11:28,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 17:11:28,453 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 17:11:32,818 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-25 17:11:32,820 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Alternating quantifiers not yet supported at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:283) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:264) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:565) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:478) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:246) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:419) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:291) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:334) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:177) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:351) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-25 17:11:32,827 INFO L168 Benchmark]: Toolchain (without parser) took 11634.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 220.2 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -120.1 MB). Peak memory consumption was 100.1 MB. Max. memory is 11.5 GB. [2019-11-25 17:11:32,827 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 17:11:32,828 INFO L168 Benchmark]: CACSL2BoogieTranslator took 833.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -144.3 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-11-25 17:11:32,829 INFO L168 Benchmark]: Boogie Preprocessor took 104.06 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 17:11:32,830 INFO L168 Benchmark]: RCFGBuilder took 1558.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 980.6 MB in the end (delta: 110.7 MB). Peak memory consumption was 110.7 MB. Max. memory is 11.5 GB. [2019-11-25 17:11:32,830 INFO L168 Benchmark]: TraceAbstraction took 9132.96 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 77.1 MB). Free memory was 980.6 MB in the beginning and 1.1 GB in the end (delta: -86.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 17:11:32,834 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 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 833.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -144.3 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 104.06 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1558.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 980.6 MB in the end (delta: 110.7 MB). Peak memory consumption was 110.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9132.96 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 77.1 MB). Free memory was 980.6 MB in the beginning and 1.1 GB in the end (delta: -86.4 MB). There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Alternating quantifiers not yet supported: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:283) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...