./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -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_test20-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ddfce359b3d8de0c5be1f8bf63d3270573e58c63 ............................................................................................................................... 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 -ea -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_test20-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ddfce359b3d8de0c5be1f8bf63d3270573e58c63 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-29 01:03:58,764 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 01:03:58,766 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 01:03:58,778 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 01:03:58,779 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 01:03:58,780 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 01:03:58,781 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 01:03:58,783 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 01:03:58,786 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 01:03:58,787 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 01:03:58,788 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 01:03:58,789 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 01:03:58,789 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 01:03:58,790 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 01:03:58,792 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 01:03:58,793 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 01:03:58,794 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 01:03:58,795 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 01:03:58,797 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 01:03:58,799 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 01:03:58,803 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 01:03:58,804 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 01:03:58,805 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 01:03:58,806 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 01:03:58,809 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 01:03:58,809 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 01:03:58,810 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 01:03:58,811 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 01:03:58,811 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 01:03:58,812 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 01:03:58,813 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 01:03:58,814 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 01:03:58,814 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 01:03:58,815 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 01:03:58,816 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 01:03:58,817 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 01:03:58,817 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 01:03:58,818 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 01:03:58,818 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 01:03:58,819 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 01:03:58,820 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 01:03:58,821 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-07-29 01:03:58,836 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 01:03:58,836 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 01:03:58,837 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 01:03:58,839 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 01:03:58,839 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 01:03:58,840 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 01:03:58,840 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-29 01:03:58,840 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 01:03:58,841 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 01:03:58,841 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-29 01:03:58,841 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 01:03:58,842 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-07-29 01:03:58,843 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-07-29 01:03:58,843 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-07-29 01:03:58,843 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-29 01:03:58,844 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-07-29 01:03:58,844 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-29 01:03:58,844 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 01:03:58,845 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 01:03:58,845 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 01:03:58,845 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-29 01:03:58,846 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-29 01:03:58,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-29 01:03:58,847 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 01:03:58,847 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-29 01:03:58,847 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 01:03:58,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-29 01:03:58,848 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 01:03:58,848 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ddfce359b3d8de0c5be1f8bf63d3270573e58c63 [2020-07-29 01:03:59,148 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 01:03:59,161 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 01:03:59,164 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 01:03:59,166 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 01:03:59,166 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 01:03:59,167 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i [2020-07-29 01:03:59,226 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e607a151/6c64a5986a8b4d74aa681b282d901a66/FLAG0540af22b [2020-07-29 01:03:59,735 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 01:03:59,735 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i [2020-07-29 01:03:59,754 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e607a151/6c64a5986a8b4d74aa681b282d901a66/FLAG0540af22b [2020-07-29 01:03:59,978 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e607a151/6c64a5986a8b4d74aa681b282d901a66 [2020-07-29 01:03:59,985 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 01:03:59,993 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-07-29 01:03:59,994 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 01:03:59,994 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 01:03:59,998 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 01:04:00,000 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:03:59" (1/1) ... [2020-07-29 01:04:00,004 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b64a6f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:04:00, skipping insertion in model container [2020-07-29 01:04:00,004 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:03:59" (1/1) ... [2020-07-29 01:04:00,015 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 01:04:00,092 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 01:04:00,716 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:04:00,754 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2020-07-29 01:04:00,755 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@23260fe6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:04:00, skipping insertion in model container [2020-07-29 01:04:00,755 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 01:04:00,756 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-07-29 01:04:00,760 INFO L168 Benchmark]: Toolchain (without parser) took 771.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -196.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2020-07-29 01:04:00,761 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:04:00,763 INFO L168 Benchmark]: CACSL2BoogieTranslator took 761.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -196.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2020-07-29 01:04:00,767 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 761.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -196.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-8bd4bc6 [2020-07-29 01:04:02,585 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 01:04:02,588 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 01:04:02,600 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 01:04:02,601 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 01:04:02,602 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 01:04:02,604 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 01:04:02,606 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 01:04:02,608 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 01:04:02,609 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 01:04:02,610 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 01:04:02,612 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 01:04:02,612 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 01:04:02,613 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 01:04:02,615 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 01:04:02,616 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 01:04:02,617 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 01:04:02,618 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 01:04:02,620 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 01:04:02,622 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 01:04:02,624 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 01:04:02,626 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 01:04:02,627 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 01:04:02,628 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 01:04:02,634 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 01:04:02,634 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 01:04:02,634 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 01:04:02,635 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 01:04:02,635 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 01:04:02,639 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 01:04:02,639 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 01:04:02,640 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 01:04:02,642 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 01:04:02,643 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 01:04:02,646 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 01:04:02,649 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 01:04:02,650 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 01:04:02,651 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 01:04:02,651 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 01:04:02,652 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 01:04:02,653 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 01:04:02,655 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-07-29 01:04:02,680 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 01:04:02,681 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 01:04:02,683 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 01:04:02,683 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 01:04:02,683 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 01:04:02,684 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 01:04:02,684 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-29 01:04:02,684 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 01:04:02,684 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 01:04:02,685 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-29 01:04:02,686 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 01:04:02,686 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-07-29 01:04:02,687 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-07-29 01:04:02,687 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-07-29 01:04:02,687 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-29 01:04:02,688 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-07-29 01:04:02,688 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-07-29 01:04:02,688 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-07-29 01:04:02,689 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-29 01:04:02,689 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 01:04:02,689 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 01:04:02,689 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 01:04:02,690 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-29 01:04:02,690 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-29 01:04:02,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-29 01:04:02,691 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 01:04:02,691 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-29 01:04:02,691 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-07-29 01:04:02,691 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-07-29 01:04:02,692 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 01:04:02,692 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-29 01:04:02,692 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ddfce359b3d8de0c5be1f8bf63d3270573e58c63 [2020-07-29 01:04:03,022 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 01:04:03,035 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 01:04:03,039 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 01:04:03,040 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 01:04:03,041 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 01:04:03,042 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i [2020-07-29 01:04:03,107 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df4a85d85/9c1abc2b063e4ab5863b608f0239061a/FLAG3421be7e2 [2020-07-29 01:04:03,676 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 01:04:03,677 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i [2020-07-29 01:04:03,702 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df4a85d85/9c1abc2b063e4ab5863b608f0239061a/FLAG3421be7e2 [2020-07-29 01:04:03,959 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df4a85d85/9c1abc2b063e4ab5863b608f0239061a [2020-07-29 01:04:03,962 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 01:04:03,966 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-07-29 01:04:03,967 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 01:04:03,968 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 01:04:03,971 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 01:04:03,973 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:04:03" (1/1) ... [2020-07-29 01:04:03,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40727f39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:04:03, skipping insertion in model container [2020-07-29 01:04:03,977 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:04:03" (1/1) ... [2020-07-29 01:04:03,985 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 01:04:04,030 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 01:04:04,493 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:04:04,520 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-07-29 01:04:04,528 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 01:04:04,655 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:04:04,665 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 01:04:04,722 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:04:04,809 INFO L208 MainTranslator]: Completed translation [2020-07-29 01:04:04,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:04:04 WrapperNode [2020-07-29 01:04:04,810 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 01:04:04,811 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 01:04:04,811 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 01:04:04,811 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 01:04:04,826 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:04:04" (1/1) ... [2020-07-29 01:04:04,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:04:04" (1/1) ... [2020-07-29 01:04:04,853 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:04:04" (1/1) ... [2020-07-29 01:04:04,854 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:04:04" (1/1) ... [2020-07-29 01:04:04,908 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:04:04" (1/1) ... [2020-07-29 01:04:04,926 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:04:04" (1/1) ... [2020-07-29 01:04:04,934 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:04:04" (1/1) ... [2020-07-29 01:04:04,948 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 01:04:04,955 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 01:04:04,956 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 01:04:04,956 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 01:04:04,957 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:04:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-29 01:04:05,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-29 01:04:05,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 01:04:05,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-07-29 01:04:05,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2020-07-29 01:04:05,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-07-29 01:04:05,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-07-29 01:04:05,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-07-29 01:04:05,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-07-29 01:04:05,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-07-29 01:04:05,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2020-07-29 01:04:05,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2020-07-29 01:04:05,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-07-29 01:04:05,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-07-29 01:04:05,029 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-07-29 01:04:05,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-07-29 01:04:05,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-07-29 01:04:05,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-07-29 01:04:05,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-07-29 01:04:05,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-07-29 01:04:05,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2020-07-29 01:04:05,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2020-07-29 01:04:05,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2020-07-29 01:04:05,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2020-07-29 01:04:05,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2020-07-29 01:04:05,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2020-07-29 01:04:05,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2020-07-29 01:04:05,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2020-07-29 01:04:05,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2020-07-29 01:04:05,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2020-07-29 01:04:05,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2020-07-29 01:04:05,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2020-07-29 01:04:05,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2020-07-29 01:04:05,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2020-07-29 01:04:05,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2020-07-29 01:04:05,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2020-07-29 01:04:05,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2020-07-29 01:04:05,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2020-07-29 01:04:05,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2020-07-29 01:04:05,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2020-07-29 01:04:05,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2020-07-29 01:04:05,035 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-07-29 01:04:05,035 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2020-07-29 01:04:05,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_device [2020-07-29 01:04:05,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_device [2020-07-29 01:04:05,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_deregister_device [2020-07-29 01:04:05,035 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_20 [2020-07-29 01:04:05,035 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2020-07-29 01:04:05,036 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-29 01:04:05,036 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-07-29 01:04:05,036 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-07-29 01:04:05,036 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-07-29 01:04:05,036 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-07-29 01:04:05,036 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-07-29 01:04:05,037 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-07-29 01:04:05,037 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-07-29 01:04:05,037 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-07-29 01:04:05,037 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-07-29 01:04:05,038 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-07-29 01:04:05,038 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-07-29 01:04:05,038 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-07-29 01:04:05,038 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-07-29 01:04:05,038 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-07-29 01:04:05,039 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-07-29 01:04:05,039 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-07-29 01:04:05,039 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-07-29 01:04:05,039 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-07-29 01:04:05,040 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-07-29 01:04:05,040 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-07-29 01:04:05,040 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-07-29 01:04:05,040 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-07-29 01:04:05,041 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-07-29 01:04:05,041 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-07-29 01:04:05,041 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-07-29 01:04:05,041 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-07-29 01:04:05,042 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-07-29 01:04:05,042 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-07-29 01:04:05,042 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-07-29 01:04:05,042 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-07-29 01:04:05,042 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-07-29 01:04:05,043 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-07-29 01:04:05,043 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-07-29 01:04:05,043 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-07-29 01:04:05,043 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-07-29 01:04:05,044 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-07-29 01:04:05,044 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-07-29 01:04:05,044 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-07-29 01:04:05,044 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-07-29 01:04:05,045 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-07-29 01:04:05,045 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-07-29 01:04:05,045 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-07-29 01:04:05,045 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-07-29 01:04:05,045 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-07-29 01:04:05,046 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-07-29 01:04:05,046 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-07-29 01:04:05,046 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-07-29 01:04:05,046 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-07-29 01:04:05,046 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-07-29 01:04:05,046 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-07-29 01:04:05,046 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-07-29 01:04:05,046 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-07-29 01:04:05,046 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-07-29 01:04:05,047 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-07-29 01:04:05,047 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-07-29 01:04:05,047 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-07-29 01:04:05,047 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-07-29 01:04:05,047 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-07-29 01:04:05,047 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-29 01:04:05,047 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-07-29 01:04:05,048 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-07-29 01:04:05,048 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-29 01:04:05,048 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-07-29 01:04:05,048 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-07-29 01:04:05,048 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-07-29 01:04:05,049 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-07-29 01:04:05,049 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-29 01:04:05,049 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-07-29 01:04:05,049 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-07-29 01:04:05,049 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-07-29 01:04:05,050 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-29 01:04:05,050 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-07-29 01:04:05,050 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-07-29 01:04:05,050 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-07-29 01:04:05,050 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-07-29 01:04:05,051 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-07-29 01:04:05,051 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-07-29 01:04:05,051 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-07-29 01:04:05,051 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-07-29 01:04:05,052 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-07-29 01:04:05,052 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-07-29 01:04:05,052 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-07-29 01:04:05,052 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-07-29 01:04:05,052 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-07-29 01:04:05,053 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-07-29 01:04:05,053 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-07-29 01:04:05,053 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-07-29 01:04:05,053 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-07-29 01:04:05,053 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-07-29 01:04:05,054 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-07-29 01:04:05,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-07-29 01:04:05,054 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-07-29 01:04:05,054 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-07-29 01:04:05,054 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-07-29 01:04:05,055 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-07-29 01:04:05,055 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-07-29 01:04:05,055 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-07-29 01:04:05,055 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-07-29 01:04:05,055 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-07-29 01:04:05,056 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-07-29 01:04:05,056 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-07-29 01:04:05,056 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-07-29 01:04:05,056 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-07-29 01:04:05,056 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-07-29 01:04:05,057 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-07-29 01:04:05,057 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-07-29 01:04:05,057 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-07-29 01:04:05,057 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-07-29 01:04:05,057 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-07-29 01:04:05,058 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-07-29 01:04:05,058 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-07-29 01:04:05,058 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-29 01:04:05,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2020-07-29 01:04:05,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2020-07-29 01:04:05,059 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-07-29 01:04:05,059 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-07-29 01:04:05,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-07-29 01:04:05,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-29 01:04:05,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-07-29 01:04:05,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-07-29 01:04:05,060 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-07-29 01:04:05,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-29 01:04:05,060 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-07-29 01:04:05,060 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-07-29 01:04:05,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-07-29 01:04:05,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-29 01:04:05,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-07-29 01:04:05,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-07-29 01:04:05,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2020-07-29 01:04:05,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2020-07-29 01:04:05,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-07-29 01:04:05,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2020-07-29 01:04:05,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-29 01:04:05,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2020-07-29 01:04:05,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2020-07-29 01:04:05,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2020-07-29 01:04:05,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2020-07-29 01:04:05,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2020-07-29 01:04:05,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-07-29 01:04:05,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-07-29 01:04:05,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2020-07-29 01:04:05,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2020-07-29 01:04:05,064 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-07-29 01:04:05,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2020-07-29 01:04:05,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2020-07-29 01:04:05,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2020-07-29 01:04:05,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2020-07-29 01:04:05,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2020-07-29 01:04:05,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2020-07-29 01:04:05,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2020-07-29 01:04:05,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2020-07-29 01:04:05,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2020-07-29 01:04:05,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2020-07-29 01:04:05,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2020-07-29 01:04:05,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-07-29 01:04:05,067 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-07-29 01:04:05,067 INFO L130 BoogieDeclarations]: Found specification of procedure g [2020-07-29 01:04:05,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_device [2020-07-29 01:04:05,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_device [2020-07-29 01:04:05,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_deregister_device [2020-07-29 01:04:05,068 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_20 [2020-07-29 01:04:05,068 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2020-07-29 01:04:05,068 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-29 01:04:05,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-29 01:04:05,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-29 01:04:05,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-07-29 01:04:05,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 01:04:05,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2020-07-29 01:04:05,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-07-29 01:04:05,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-07-29 01:04:05,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2020-07-29 01:04:05,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2020-07-29 01:04:05,836 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-29 01:04:06,302 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-29 01:04:06,787 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 01:04:06,787 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-29 01:04:06,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:04:06 BoogieIcfgContainer [2020-07-29 01:04:06,792 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 01:04:06,794 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-29 01:04:06,794 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-29 01:04:06,799 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-29 01:04:06,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.07 01:04:03" (1/3) ... [2020-07-29 01:04:06,801 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7661aa5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.07 01:04:06, skipping insertion in model container [2020-07-29 01:04:06,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:04:04" (2/3) ... [2020-07-29 01:04:06,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7661aa5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.07 01:04:06, skipping insertion in model container [2020-07-29 01:04:06,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:04:06" (3/3) ... [2020-07-29 01:04:06,803 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test20-1.i [2020-07-29 01:04:06,815 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-29 01:04:06,824 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 71 error locations. [2020-07-29 01:04:06,847 INFO L251 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2020-07-29 01:04:06,873 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-29 01:04:06,874 INFO L376 AbstractCegarLoop]: Hoare is false [2020-07-29 01:04:06,874 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-29 01:04:06,874 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 01:04:06,875 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 01:04:06,875 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-29 01:04:06,875 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 01:04:06,875 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-29 01:04:06,896 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states. [2020-07-29 01:04:06,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-07-29 01:04:06,907 INFO L414 BasicCegarLoop]: Found error trace [2020-07-29 01:04:06,909 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-29 01:04:06,909 INFO L427 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, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-07-29 01:04:06,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:04:06,916 INFO L82 PathProgramCache]: Analyzing trace with hash 497967623, now seen corresponding path program 1 times [2020-07-29 01:04:06,936 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-29 01:04:06,937 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1572026335] [2020-07-29 01:04:06,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-07-29 01:04:07,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:04:07,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-29 01:04:07,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:04:07,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:04:07,241 INFO L263 TraceCheckUtils]: 0: Hoare triple {101#true} call ULTIMATE.init(); {101#true} is VALID [2020-07-29 01:04:07,242 INFO L280 TraceCheckUtils]: 1: Hoare triple {101#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8bv32);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4bv32);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~bvadd32(4bv32, ~#ldv_global_msg_list~0.offset), 4bv32);~saved_device_20~0.base, ~saved_device_20~0.offset := 0bv32, 0bv32; {101#true} is VALID [2020-07-29 01:04:07,243 INFO L280 TraceCheckUtils]: 2: Hoare triple {101#true} assume true; {101#true} is VALID [2020-07-29 01:04:07,243 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {101#true} {101#true} #456#return; {101#true} is VALID [2020-07-29 01:04:07,243 INFO L263 TraceCheckUtils]: 4: Hoare triple {101#true} call main(); {101#true} is VALID [2020-07-29 01:04:07,244 INFO L263 TraceCheckUtils]: 5: Hoare triple {101#true} call entry_point(); {101#true} is VALID [2020-07-29 01:04:07,244 INFO L263 TraceCheckUtils]: 6: Hoare triple {101#true} call alloc_20(); {101#true} is VALID [2020-07-29 01:04:07,245 INFO L263 TraceCheckUtils]: 7: Hoare triple {101#true} call #t~ret38.base, #t~ret38.offset := ldv_malloc(16bv32); {101#true} is VALID [2020-07-29 01:04:07,245 INFO L280 TraceCheckUtils]: 8: Hoare triple {101#true} ~size := #in~size; {101#true} is VALID [2020-07-29 01:04:07,247 INFO L280 TraceCheckUtils]: 9: Hoare triple {101#true} assume 0bv32 != #t~nondet11;havoc #t~nondet11;call #t~malloc12.base, #t~malloc12.offset := #Ultimate.allocOnHeap(~size);#res.base, #res.offset := #t~malloc12.base, #t~malloc12.offset; {133#(not (= |ldv_malloc_#res.base| (_ bv0 32)))} is VALID [2020-07-29 01:04:07,248 INFO L280 TraceCheckUtils]: 10: Hoare triple {133#(not (= |ldv_malloc_#res.base| (_ bv0 32)))} assume true; {133#(not (= |ldv_malloc_#res.base| (_ bv0 32)))} is VALID [2020-07-29 01:04:07,250 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {133#(not (= |ldv_malloc_#res.base| (_ bv0 32)))} {101#true} #416#return; {140#(not (= (_ bv0 32) |alloc_20_#t~ret38.base|))} is VALID [2020-07-29 01:04:07,251 INFO L280 TraceCheckUtils]: 12: Hoare triple {140#(not (= (_ bv0 32) |alloc_20_#t~ret38.base|))} ~p~0.base, ~p~0.offset := #t~ret38.base, #t~ret38.offset;havoc #t~ret38.base, #t~ret38.offset; {144#(not (= alloc_20_~p~0.base (_ bv0 32)))} is VALID [2020-07-29 01:04:07,252 INFO L280 TraceCheckUtils]: 13: Hoare triple {144#(not (= alloc_20_~p~0.base (_ bv0 32)))} assume !(~p~0.base != 0bv32 || ~p~0.offset != 0bv32); {102#false} is VALID [2020-07-29 01:04:07,253 INFO L280 TraceCheckUtils]: 14: Hoare triple {102#false} assume true; {102#false} is VALID [2020-07-29 01:04:07,253 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {102#false} {101#true} #446#return; {102#false} is VALID [2020-07-29 01:04:07,253 INFO L280 TraceCheckUtils]: 16: Hoare triple {102#false} ~saved_device_20~0.base, ~saved_device_20~0.offset := 0bv32, 0bv32; {102#false} is VALID [2020-07-29 01:04:07,254 INFO L280 TraceCheckUtils]: 17: Hoare triple {102#false} assume true; {102#false} is VALID [2020-07-29 01:04:07,254 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {102#false} {101#true} #420#return; {102#false} is VALID [2020-07-29 01:04:07,254 INFO L280 TraceCheckUtils]: 19: Hoare triple {102#false} assume !(#valid == old(#valid)); {102#false} is VALID [2020-07-29 01:04:07,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 01:04:07,260 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-29 01:04:07,520 INFO L280 TraceCheckUtils]: 19: Hoare triple {102#false} assume !(#valid == old(#valid)); {102#false} is VALID [2020-07-29 01:04:07,521 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {102#false} {101#true} #420#return; {102#false} is VALID [2020-07-29 01:04:07,521 INFO L280 TraceCheckUtils]: 17: Hoare triple {102#false} assume true; {102#false} is VALID [2020-07-29 01:04:07,521 INFO L280 TraceCheckUtils]: 16: Hoare triple {102#false} ~saved_device_20~0.base, ~saved_device_20~0.offset := 0bv32, 0bv32; {102#false} is VALID [2020-07-29 01:04:07,522 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {102#false} {101#true} #446#return; {102#false} is VALID [2020-07-29 01:04:07,522 INFO L280 TraceCheckUtils]: 14: Hoare triple {102#false} assume true; {102#false} is VALID [2020-07-29 01:04:07,523 INFO L280 TraceCheckUtils]: 13: Hoare triple {144#(not (= alloc_20_~p~0.base (_ bv0 32)))} assume !(~p~0.base != 0bv32 || ~p~0.offset != 0bv32); {102#false} is VALID [2020-07-29 01:04:07,524 INFO L280 TraceCheckUtils]: 12: Hoare triple {140#(not (= (_ bv0 32) |alloc_20_#t~ret38.base|))} ~p~0.base, ~p~0.offset := #t~ret38.base, #t~ret38.offset;havoc #t~ret38.base, #t~ret38.offset; {144#(not (= alloc_20_~p~0.base (_ bv0 32)))} is VALID [2020-07-29 01:04:07,526 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {133#(not (= |ldv_malloc_#res.base| (_ bv0 32)))} {101#true} #416#return; {140#(not (= (_ bv0 32) |alloc_20_#t~ret38.base|))} is VALID [2020-07-29 01:04:07,528 INFO L280 TraceCheckUtils]: 10: Hoare triple {133#(not (= |ldv_malloc_#res.base| (_ bv0 32)))} assume true; {133#(not (= |ldv_malloc_#res.base| (_ bv0 32)))} is VALID [2020-07-29 01:04:07,529 INFO L280 TraceCheckUtils]: 9: Hoare triple {101#true} assume 0bv32 != #t~nondet11;havoc #t~nondet11;call #t~malloc12.base, #t~malloc12.offset := #Ultimate.allocOnHeap(~size);#res.base, #res.offset := #t~malloc12.base, #t~malloc12.offset; {133#(not (= |ldv_malloc_#res.base| (_ bv0 32)))} is VALID [2020-07-29 01:04:07,529 INFO L280 TraceCheckUtils]: 8: Hoare triple {101#true} ~size := #in~size; {101#true} is VALID [2020-07-29 01:04:07,530 INFO L263 TraceCheckUtils]: 7: Hoare triple {101#true} call #t~ret38.base, #t~ret38.offset := ldv_malloc(16bv32); {101#true} is VALID [2020-07-29 01:04:07,530 INFO L263 TraceCheckUtils]: 6: Hoare triple {101#true} call alloc_20(); {101#true} is VALID [2020-07-29 01:04:07,530 INFO L263 TraceCheckUtils]: 5: Hoare triple {101#true} call entry_point(); {101#true} is VALID [2020-07-29 01:04:07,531 INFO L263 TraceCheckUtils]: 4: Hoare triple {101#true} call main(); {101#true} is VALID [2020-07-29 01:04:07,531 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {101#true} {101#true} #456#return; {101#true} is VALID [2020-07-29 01:04:07,532 INFO L280 TraceCheckUtils]: 2: Hoare triple {101#true} assume true; {101#true} is VALID [2020-07-29 01:04:07,532 INFO L280 TraceCheckUtils]: 1: Hoare triple {101#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8bv32);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4bv32);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~bvadd32(4bv32, ~#ldv_global_msg_list~0.offset), 4bv32);~saved_device_20~0.base, ~saved_device_20~0.offset := 0bv32, 0bv32; {101#true} is VALID [2020-07-29 01:04:07,532 INFO L263 TraceCheckUtils]: 0: Hoare triple {101#true} call ULTIMATE.init(); {101#true} is VALID [2020-07-29 01:04:07,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 01:04:07,538 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1572026335] [2020-07-29 01:04:07,539 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-29 01:04:07,539 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-07-29 01:04:07,541 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862483517] [2020-07-29 01:04:07,549 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2020-07-29 01:04:07,555 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-29 01:04:07,560 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-29 01:04:07,606 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:04:07,606 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-29 01:04:07,606 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-29 01:04:07,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-29 01:04:07,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-29 01:04:07,650 INFO L87 Difference]: Start difference. First operand 98 states. Second operand 5 states. [2020-07-29 01:04:07,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 01:04:07,851 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2020-07-29 01:04:07,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-29 01:04:07,851 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2020-07-29 01:04:07,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-29 01:04:07,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-29 01:04:07,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 38 transitions. [2020-07-29 01:04:07,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-29 01:04:07,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 38 transitions. [2020-07-29 01:04:07,868 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 38 transitions. [2020-07-29 01:04:07,931 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:04:07,943 INFO L225 Difference]: With dead ends: 35 [2020-07-29 01:04:07,944 INFO L226 Difference]: Without dead ends: 32 [2020-07-29 01:04:07,946 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-29 01:04:07,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-07-29 01:04:07,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 29. [2020-07-29 01:04:07,982 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-29 01:04:07,983 INFO L82 GeneralOperation]: Start isEquivalent. First operand 32 states. Second operand 29 states. [2020-07-29 01:04:07,984 INFO L74 IsIncluded]: Start isIncluded. First operand 32 states. Second operand 29 states. [2020-07-29 01:04:07,984 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 29 states. [2020-07-29 01:04:07,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 01:04:07,990 INFO L93 Difference]: Finished difference Result 32 states and 34 transitions. [2020-07-29 01:04:07,990 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2020-07-29 01:04:07,991 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:04:07,991 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 01:04:07,991 INFO L74 IsIncluded]: Start isIncluded. First operand 29 states. Second operand 32 states. [2020-07-29 01:04:07,992 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 32 states. [2020-07-29 01:04:07,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 01:04:07,996 INFO L93 Difference]: Finished difference Result 32 states and 34 transitions. [2020-07-29 01:04:07,996 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2020-07-29 01:04:07,997 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:04:07,997 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 01:04:07,997 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-29 01:04:07,998 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-29 01:04:07,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-07-29 01:04:08,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2020-07-29 01:04:08,002 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 20 [2020-07-29 01:04:08,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-29 01:04:08,002 INFO L479 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2020-07-29 01:04:08,003 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-29 01:04:08,003 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2020-07-29 01:04:08,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-07-29 01:04:08,004 INFO L414 BasicCegarLoop]: Found error trace [2020-07-29 01:04:08,004 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-29 01:04:08,216 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-07-29 01:04:08,218 INFO L427 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, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-07-29 01:04:08,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:04:08,219 INFO L82 PathProgramCache]: Analyzing trace with hash -1298983736, now seen corresponding path program 1 times [2020-07-29 01:04:08,220 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-29 01:04:08,221 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1971571945] [2020-07-29 01:04:08,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-07-29 01:04:08,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:04:08,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-29 01:04:08,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:04:08,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:04:08,404 INFO L263 TraceCheckUtils]: 0: Hoare triple {353#true} call ULTIMATE.init(); {353#true} is VALID [2020-07-29 01:04:08,404 INFO L280 TraceCheckUtils]: 1: Hoare triple {353#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8bv32);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4bv32);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~bvadd32(4bv32, ~#ldv_global_msg_list~0.offset), 4bv32);~saved_device_20~0.base, ~saved_device_20~0.offset := 0bv32, 0bv32; {353#true} is VALID [2020-07-29 01:04:08,404 INFO L280 TraceCheckUtils]: 2: Hoare triple {353#true} assume true; {353#true} is VALID [2020-07-29 01:04:08,405 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {353#true} {353#true} #456#return; {353#true} is VALID [2020-07-29 01:04:08,406 INFO L263 TraceCheckUtils]: 4: Hoare triple {353#true} call main(); {370#(= |#valid| |old(#valid)|)} is VALID [2020-07-29 01:04:08,407 INFO L263 TraceCheckUtils]: 5: Hoare triple {370#(= |#valid| |old(#valid)|)} call entry_point(); {370#(= |#valid| |old(#valid)|)} is VALID [2020-07-29 01:04:08,409 INFO L263 TraceCheckUtils]: 6: Hoare triple {370#(= |#valid| |old(#valid)|)} call alloc_20(); {370#(= |#valid| |old(#valid)|)} is VALID [2020-07-29 01:04:08,411 INFO L263 TraceCheckUtils]: 7: Hoare triple {370#(= |#valid| |old(#valid)|)} call #t~ret38.base, #t~ret38.offset := ldv_malloc(16bv32); {370#(= |#valid| |old(#valid)|)} is VALID [2020-07-29 01:04:08,414 INFO L280 TraceCheckUtils]: 8: Hoare triple {370#(= |#valid| |old(#valid)|)} ~size := #in~size; {370#(= |#valid| |old(#valid)|)} is VALID [2020-07-29 01:04:08,414 INFO L280 TraceCheckUtils]: 9: Hoare triple {370#(= |#valid| |old(#valid)|)} assume !(0bv32 != #t~nondet11);havoc #t~nondet11;#res.base, #res.offset := 0bv32, 0bv32; {370#(= |#valid| |old(#valid)|)} is VALID [2020-07-29 01:04:08,419 INFO L280 TraceCheckUtils]: 10: Hoare triple {370#(= |#valid| |old(#valid)|)} assume true; {370#(= |#valid| |old(#valid)|)} is VALID [2020-07-29 01:04:08,421 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {370#(= |#valid| |old(#valid)|)} {370#(= |#valid| |old(#valid)|)} #416#return; {370#(= |#valid| |old(#valid)|)} is VALID [2020-07-29 01:04:08,422 INFO L280 TraceCheckUtils]: 12: Hoare triple {370#(= |#valid| |old(#valid)|)} ~p~0.base, ~p~0.offset := #t~ret38.base, #t~ret38.offset;havoc #t~ret38.base, #t~ret38.offset; {370#(= |#valid| |old(#valid)|)} is VALID [2020-07-29 01:04:08,422 INFO L280 TraceCheckUtils]: 13: Hoare triple {370#(= |#valid| |old(#valid)|)} assume !(~p~0.base != 0bv32 || ~p~0.offset != 0bv32); {370#(= |#valid| |old(#valid)|)} is VALID [2020-07-29 01:04:08,423 INFO L280 TraceCheckUtils]: 14: Hoare triple {370#(= |#valid| |old(#valid)|)} assume true; {370#(= |#valid| |old(#valid)|)} is VALID [2020-07-29 01:04:08,424 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {370#(= |#valid| |old(#valid)|)} {370#(= |#valid| |old(#valid)|)} #446#return; {370#(= |#valid| |old(#valid)|)} is VALID [2020-07-29 01:04:08,425 INFO L280 TraceCheckUtils]: 16: Hoare triple {370#(= |#valid| |old(#valid)|)} ~saved_device_20~0.base, ~saved_device_20~0.offset := 0bv32, 0bv32; {370#(= |#valid| |old(#valid)|)} is VALID [2020-07-29 01:04:08,426 INFO L280 TraceCheckUtils]: 17: Hoare triple {370#(= |#valid| |old(#valid)|)} assume true; {370#(= |#valid| |old(#valid)|)} is VALID [2020-07-29 01:04:08,427 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {370#(= |#valid| |old(#valid)|)} {370#(= |#valid| |old(#valid)|)} #420#return; {370#(= |#valid| |old(#valid)|)} is VALID [2020-07-29 01:04:08,428 INFO L280 TraceCheckUtils]: 19: Hoare triple {370#(= |#valid| |old(#valid)|)} assume !(#valid == old(#valid)); {354#false} is VALID [2020-07-29 01:04:08,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 01:04:08,429 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-29 01:04:08,620 INFO L280 TraceCheckUtils]: 19: Hoare triple {370#(= |#valid| |old(#valid)|)} assume !(#valid == old(#valid)); {354#false} is VALID [2020-07-29 01:04:08,624 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {370#(= |#valid| |old(#valid)|)} {370#(= |#valid| |old(#valid)|)} #420#return; {370#(= |#valid| |old(#valid)|)} is VALID [2020-07-29 01:04:08,625 INFO L280 TraceCheckUtils]: 17: Hoare triple {370#(= |#valid| |old(#valid)|)} assume true; {370#(= |#valid| |old(#valid)|)} is VALID [2020-07-29 01:04:08,626 INFO L280 TraceCheckUtils]: 16: Hoare triple {370#(= |#valid| |old(#valid)|)} ~saved_device_20~0.base, ~saved_device_20~0.offset := 0bv32, 0bv32; {370#(= |#valid| |old(#valid)|)} is VALID [2020-07-29 01:04:08,627 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {370#(= |#valid| |old(#valid)|)} {370#(= |#valid| |old(#valid)|)} #446#return; {370#(= |#valid| |old(#valid)|)} is VALID [2020-07-29 01:04:08,627 INFO L280 TraceCheckUtils]: 14: Hoare triple {370#(= |#valid| |old(#valid)|)} assume true; {370#(= |#valid| |old(#valid)|)} is VALID [2020-07-29 01:04:08,628 INFO L280 TraceCheckUtils]: 13: Hoare triple {370#(= |#valid| |old(#valid)|)} assume !(~p~0.base != 0bv32 || ~p~0.offset != 0bv32); {370#(= |#valid| |old(#valid)|)} is VALID [2020-07-29 01:04:08,629 INFO L280 TraceCheckUtils]: 12: Hoare triple {370#(= |#valid| |old(#valid)|)} ~p~0.base, ~p~0.offset := #t~ret38.base, #t~ret38.offset;havoc #t~ret38.base, #t~ret38.offset; {370#(= |#valid| |old(#valid)|)} is VALID [2020-07-29 01:04:08,630 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {370#(= |#valid| |old(#valid)|)} {370#(= |#valid| |old(#valid)|)} #416#return; {370#(= |#valid| |old(#valid)|)} is VALID [2020-07-29 01:04:08,630 INFO L280 TraceCheckUtils]: 10: Hoare triple {370#(= |#valid| |old(#valid)|)} assume true; {370#(= |#valid| |old(#valid)|)} is VALID [2020-07-29 01:04:08,631 INFO L280 TraceCheckUtils]: 9: Hoare triple {370#(= |#valid| |old(#valid)|)} assume !(0bv32 != #t~nondet11);havoc #t~nondet11;#res.base, #res.offset := 0bv32, 0bv32; {370#(= |#valid| |old(#valid)|)} is VALID [2020-07-29 01:04:08,632 INFO L280 TraceCheckUtils]: 8: Hoare triple {370#(= |#valid| |old(#valid)|)} ~size := #in~size; {370#(= |#valid| |old(#valid)|)} is VALID [2020-07-29 01:04:08,633 INFO L263 TraceCheckUtils]: 7: Hoare triple {370#(= |#valid| |old(#valid)|)} call #t~ret38.base, #t~ret38.offset := ldv_malloc(16bv32); {370#(= |#valid| |old(#valid)|)} is VALID [2020-07-29 01:04:08,633 INFO L263 TraceCheckUtils]: 6: Hoare triple {370#(= |#valid| |old(#valid)|)} call alloc_20(); {370#(= |#valid| |old(#valid)|)} is VALID [2020-07-29 01:04:08,634 INFO L263 TraceCheckUtils]: 5: Hoare triple {370#(= |#valid| |old(#valid)|)} call entry_point(); {370#(= |#valid| |old(#valid)|)} is VALID [2020-07-29 01:04:08,635 INFO L263 TraceCheckUtils]: 4: Hoare triple {353#true} call main(); {370#(= |#valid| |old(#valid)|)} is VALID [2020-07-29 01:04:08,635 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {353#true} {353#true} #456#return; {353#true} is VALID [2020-07-29 01:04:08,635 INFO L280 TraceCheckUtils]: 2: Hoare triple {353#true} assume true; {353#true} is VALID [2020-07-29 01:04:08,635 INFO L280 TraceCheckUtils]: 1: Hoare triple {353#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8bv32);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4bv32);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~bvadd32(4bv32, ~#ldv_global_msg_list~0.offset), 4bv32);~saved_device_20~0.base, ~saved_device_20~0.offset := 0bv32, 0bv32; {353#true} is VALID [2020-07-29 01:04:08,636 INFO L263 TraceCheckUtils]: 0: Hoare triple {353#true} call ULTIMATE.init(); {353#true} is VALID [2020-07-29 01:04:08,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 01:04:08,637 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1971571945] [2020-07-29 01:04:08,637 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-29 01:04:08,637 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-07-29 01:04:08,638 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844852721] [2020-07-29 01:04:08,639 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-07-29 01:04:08,640 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-29 01:04:08,640 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-29 01:04:08,668 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:04:08,668 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-29 01:04:08,668 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-29 01:04:08,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-29 01:04:08,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-29 01:04:08,669 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand 3 states. [2020-07-29 01:04:08,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 01:04:08,772 INFO L93 Difference]: Finished difference Result 36 states and 37 transitions. [2020-07-29 01:04:08,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-29 01:04:08,772 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-07-29 01:04:08,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-29 01:04:08,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-29 01:04:08,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 38 transitions. [2020-07-29 01:04:08,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-29 01:04:08,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 38 transitions. [2020-07-29 01:04:08,780 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 38 transitions. [2020-07-29 01:04:08,845 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:04:08,847 INFO L225 Difference]: With dead ends: 36 [2020-07-29 01:04:08,847 INFO L226 Difference]: Without dead ends: 25 [2020-07-29 01:04:08,848 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-29 01:04:08,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-07-29 01:04:08,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2020-07-29 01:04:08,851 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-29 01:04:08,851 INFO L82 GeneralOperation]: Start isEquivalent. First operand 25 states. Second operand 25 states. [2020-07-29 01:04:08,851 INFO L74 IsIncluded]: Start isIncluded. First operand 25 states. Second operand 25 states. [2020-07-29 01:04:08,851 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 25 states. [2020-07-29 01:04:08,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 01:04:08,853 INFO L93 Difference]: Finished difference Result 25 states and 24 transitions. [2020-07-29 01:04:08,854 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 24 transitions. [2020-07-29 01:04:08,854 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:04:08,854 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 01:04:08,854 INFO L74 IsIncluded]: Start isIncluded. First operand 25 states. Second operand 25 states. [2020-07-29 01:04:08,854 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 25 states. [2020-07-29 01:04:08,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 01:04:08,857 INFO L93 Difference]: Finished difference Result 25 states and 24 transitions. [2020-07-29 01:04:08,857 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 24 transitions. [2020-07-29 01:04:08,857 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:04:08,857 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 01:04:08,857 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-29 01:04:08,858 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-29 01:04:08,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-07-29 01:04:08,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 24 transitions. [2020-07-29 01:04:08,860 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 24 transitions. Word has length 20 [2020-07-29 01:04:08,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-29 01:04:08,860 INFO L479 AbstractCegarLoop]: Abstraction has 25 states and 24 transitions. [2020-07-29 01:04:08,860 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-29 01:04:08,860 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 24 transitions. [2020-07-29 01:04:08,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-29 01:04:08,861 INFO L414 BasicCegarLoop]: Found error trace [2020-07-29 01:04:08,861 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-29 01:04:09,073 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-07-29 01:04:09,075 INFO L427 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, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-07-29 01:04:09,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:04:09,076 INFO L82 PathProgramCache]: Analyzing trace with hash 1243528388, now seen corresponding path program 1 times [2020-07-29 01:04:09,077 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-29 01:04:09,077 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1640601133] [2020-07-29 01:04:09,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-07-29 01:04:09,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:04:09,202 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:04:09,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:04:09,236 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:04:09,274 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-07-29 01:04:09,274 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-29 01:04:09,479 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-07-29 01:04:09,508 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2020-07-29 01:04:09,517 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 9bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2020-07-29 01:04:09,517 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 6bv32 could not be translated for associated CType *ldv_device [2020-07-29 01:04:09,517 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 5bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2020-07-29 01:04:09,518 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 10bv32 could not be translated for associated CType *ldv_device [2020-07-29 01:04:09,518 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-07-29 01:04:09,518 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-07-29 01:04:09,519 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-07-29 01:04:09,519 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-07-29 01:04:09,519 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-07-29 01:04:09,520 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-07-29 01:04:09,521 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-07-29 01:04:09,521 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-07-29 01:04:09,521 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-07-29 01:04:09,522 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-07-29 01:04:09,522 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-07-29 01:04:09,522 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-07-29 01:04:09,523 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-07-29 01:04:09,523 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-07-29 01:04:09,526 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-07-29 01:04:09,527 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-07-29 01:04:09,527 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-07-29 01:04:09,528 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-07-29 01:04:09,528 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-07-29 01:04:09,528 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-07-29 01:04:09,529 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-07-29 01:04:09,529 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-07-29 01:04:09,529 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-07-29 01:04:09,530 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2020-07-29 01:04:09,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.07 01:04:09 BoogieIcfgContainer [2020-07-29 01:04:09,537 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-29 01:04:09,537 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 01:04:09,537 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 01:04:09,538 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 01:04:09,538 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:04:06" (3/4) ... [2020-07-29 01:04:09,542 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-29 01:04:09,542 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 01:04:09,548 INFO L168 Benchmark]: Toolchain (without parser) took 5579.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 217.6 MB). Free memory was 950.8 MB in the beginning and 1.0 GB in the end (delta: -57.0 MB). Peak memory consumption was 160.6 MB. Max. memory is 11.5 GB. [2020-07-29 01:04:09,549 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:04:09,549 INFO L168 Benchmark]: CACSL2BoogieTranslator took 843.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -134.6 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2020-07-29 01:04:09,550 INFO L168 Benchmark]: Boogie Preprocessor took 137.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2020-07-29 01:04:09,551 INFO L168 Benchmark]: RCFGBuilder took 1836.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 907.1 MB in the end (delta: 165.0 MB). Peak memory consumption was 165.0 MB. Max. memory is 11.5 GB. [2020-07-29 01:04:09,552 INFO L168 Benchmark]: TraceAbstraction took 2742.96 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 80.2 MB). Free memory was 907.1 MB in the beginning and 1.0 GB in the end (delta: -100.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:04:09,552 INFO L168 Benchmark]: Witness Printer took 4.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:04:09,556 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 843.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -134.6 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 137.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1836.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 907.1 MB in the end (delta: 165.0 MB). Peak memory consumption was 165.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2742.96 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 80.2 MB). Free memory was 907.1 MB in the beginning and 1.0 GB in the end (delta: -100.7 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 4.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 9bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 6bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 5bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 10bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 781]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 781. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L761] struct ldv_device *saved_device_20; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, \old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={3:0}, saved_device_20={0:0}] [L782] CALL entry_point() VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={3:0}, saved_device_20={0:0}] [L778] CALL alloc_20() VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={3:0}, saved_device_20={0:0}] [L772] CALL, EXPR ldv_malloc(sizeof(struct A20)) VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, \old(size)=16, ldv_global_msg_list={3:0}, saved_device_20={0:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, \old(size)=16, \result={1:0}, ldv_global_msg_list={3:0}, malloc(size)={1:0}, saved_device_20={0:0}, size=16] [L772] RET, EXPR ldv_malloc(sizeof(struct A20)) VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={3:0}, ldv_malloc(sizeof(struct A20))={1:0}, saved_device_20={0:0}] [L772] struct A20 *p = (struct A20*)ldv_malloc(sizeof(struct A20)); [L773] COND TRUE \read(*p) VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={3:0}, p={1:0}, saved_device_20={0:0}] [L774] CALL ldv_register_device(&p->dev) VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, dev={1:4}, ldv_global_msg_list={3:0}, saved_device_20={0:0}] [L763] saved_device_20 = dev VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, dev={1:4}, dev={1:4}, ldv_global_msg_list={3:0}, saved_device_20={1:4}] [L774] RET ldv_register_device(&p->dev) VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={3:0}, p={1:0}, saved_device_20={1:4}] [L778] RET alloc_20() VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={3:0}, saved_device_20={1:4}] [L779] saved_device_20 = 0 VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={3:0}, saved_device_20={0:0}] [L782] RET entry_point() VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={3:0}, saved_device_20={0:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 51 procedures, 344 locations, 71 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.6s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 56 SDtfs, 5 SDslu, 93 SDs, 0 SdLazy, 23 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=98occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 3040 SizeOfPredicates, 1 NumberOfNonLiveVariables, 184 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...