./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_059777d0-c3f3-4b22-b0ec-e04443875b41/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_059777d0-c3f3-4b22-b0ec-e04443875b41/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_059777d0-c3f3-4b22-b0ec-e04443875b41/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_059777d0-c3f3-4b22-b0ec-e04443875b41/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_059777d0-c3f3-4b22-b0ec-e04443875b41/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_059777d0-c3f3-4b22-b0ec-e04443875b41/bin/uautomizer --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 7619b94c95edf7a1d85f42db59dce2bf3c10f3b9 ............................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_059777d0-c3f3-4b22-b0ec-e04443875b41/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_059777d0-c3f3-4b22-b0ec-e04443875b41/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_059777d0-c3f3-4b22-b0ec-e04443875b41/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_059777d0-c3f3-4b22-b0ec-e04443875b41/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_059777d0-c3f3-4b22-b0ec-e04443875b41/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_059777d0-c3f3-4b22-b0ec-e04443875b41/bin/uautomizer --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 7619b94c95edf7a1d85f42db59dce2bf3c10f3b9 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 18:03:55,642 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:03:55,643 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:03:55,652 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:03:55,653 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:03:55,653 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:03:55,654 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:03:55,656 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:03:55,657 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:03:55,657 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:03:55,658 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:03:55,659 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:03:55,659 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:03:55,660 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:03:55,660 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:03:55,661 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:03:55,662 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:03:55,662 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:03:55,664 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:03:55,665 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:03:55,666 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:03:55,667 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:03:55,668 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:03:55,668 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:03:55,670 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:03:55,670 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:03:55,670 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:03:55,671 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:03:55,671 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:03:55,672 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:03:55,672 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:03:55,672 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:03:55,673 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:03:55,673 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:03:55,674 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:03:55,675 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:03:55,675 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:03:55,675 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:03:55,675 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:03:55,676 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:03:55,677 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:03:55,677 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_059777d0-c3f3-4b22-b0ec-e04443875b41/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-12-07 18:03:55,690 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:03:55,690 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:03:55,691 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:03:55,691 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:03:55,692 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:03:55,692 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:03:55,692 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 18:03:55,692 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 18:03:55,692 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 18:03:55,692 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 18:03:55,693 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:03:55,693 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-07 18:03:55,693 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-07 18:03:55,693 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-07 18:03:55,693 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 18:03:55,694 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 18:03:55,694 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 18:03:55,694 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:03:55,694 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:03:55,694 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:03:55,695 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 18:03:55,695 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 18:03:55,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:03:55,695 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:03:55,695 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 18:03:55,696 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 18:03:55,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 18:03:55,696 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:03:55,696 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_059777d0-c3f3-4b22-b0ec-e04443875b41/bin/uautomizer 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 -> 7619b94c95edf7a1d85f42db59dce2bf3c10f3b9 [2019-12-07 18:03:55,797 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:03:55,804 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:03:55,806 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:03:55,807 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:03:55,808 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:03:55,808 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_059777d0-c3f3-4b22-b0ec-e04443875b41/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i [2019-12-07 18:03:55,844 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_059777d0-c3f3-4b22-b0ec-e04443875b41/bin/uautomizer/data/33bb7252b/3215ea6698c34b0d8cc8ffaf532e25ba/FLAGeee3b17f0 [2019-12-07 18:03:56,250 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:03:56,250 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_059777d0-c3f3-4b22-b0ec-e04443875b41/sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i [2019-12-07 18:03:56,263 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_059777d0-c3f3-4b22-b0ec-e04443875b41/bin/uautomizer/data/33bb7252b/3215ea6698c34b0d8cc8ffaf532e25ba/FLAGeee3b17f0 [2019-12-07 18:03:56,273 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_059777d0-c3f3-4b22-b0ec-e04443875b41/bin/uautomizer/data/33bb7252b/3215ea6698c34b0d8cc8ffaf532e25ba [2019-12-07 18:03:56,275 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:03:56,276 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-07 18:03:56,277 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:03:56,277 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:03:56,279 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:03:56,280 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:03:56" (1/1) ... [2019-12-07 18:03:56,282 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3721db27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:03:56, skipping insertion in model container [2019-12-07 18:03:56,282 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:03:56" (1/1) ... [2019-12-07 18:03:56,287 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:03:56,315 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:03:56,564 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:03:56,577 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2019-12-07 18:03:56,578 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3a521f0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:03:56, skipping insertion in model container [2019-12-07 18:03:56,578 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:03:56,578 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-12-07 18:03:56,580 INFO L168 Benchmark]: Toolchain (without parser) took 303.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 938.2 MB in the beginning and 1.1 GB in the end (delta: -148.8 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2019-12-07 18:03:56,580 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 958.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:03:56,581 INFO L168 Benchmark]: CACSL2BoogieTranslator took 301.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 938.2 MB in the beginning and 1.1 GB in the end (delta: -148.8 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2019-12-07 18:03:56,582 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 958.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 301.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 938.2 MB in the beginning and 1.1 GB in the end (delta: -148.8 MB). Peak memory consumption was 18.7 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-f470102 [2019-12-07 18:03:57,699 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:03:57,700 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:03:57,708 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:03:57,708 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:03:57,709 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:03:57,710 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:03:57,711 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:03:57,712 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:03:57,713 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:03:57,713 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:03:57,714 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:03:57,714 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:03:57,715 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:03:57,716 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:03:57,717 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:03:57,717 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:03:57,718 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:03:57,719 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:03:57,721 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:03:57,722 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:03:57,723 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:03:57,723 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:03:57,724 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:03:57,726 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:03:57,726 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:03:57,726 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:03:57,727 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:03:57,727 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:03:57,728 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:03:57,728 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:03:57,728 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:03:57,729 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:03:57,729 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:03:57,730 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:03:57,730 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:03:57,731 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:03:57,731 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:03:57,731 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:03:57,732 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:03:57,732 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:03:57,733 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_059777d0-c3f3-4b22-b0ec-e04443875b41/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-12-07 18:03:57,742 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:03:57,743 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:03:57,743 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:03:57,744 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:03:57,744 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:03:57,744 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:03:57,744 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 18:03:57,744 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 18:03:57,744 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 18:03:57,745 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 18:03:57,745 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:03:57,745 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-07 18:03:57,745 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-07 18:03:57,745 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-07 18:03:57,745 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 18:03:57,745 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 18:03:57,746 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 18:03:57,746 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 18:03:57,746 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 18:03:57,746 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:03:57,746 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:03:57,746 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:03:57,746 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 18:03:57,747 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 18:03:57,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:03:57,747 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:03:57,747 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 18:03:57,747 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 18:03:57,747 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 18:03:57,747 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:03:57,748 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 18:03:57,748 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_059777d0-c3f3-4b22-b0ec-e04443875b41/bin/uautomizer 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 -> 7619b94c95edf7a1d85f42db59dce2bf3c10f3b9 [2019-12-07 18:03:57,911 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:03:57,919 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:03:57,921 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:03:57,922 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:03:57,923 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:03:57,923 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_059777d0-c3f3-4b22-b0ec-e04443875b41/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i [2019-12-07 18:03:57,961 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_059777d0-c3f3-4b22-b0ec-e04443875b41/bin/uautomizer/data/b965fafa2/fec81689262d436a8a60dd48a574ef7d/FLAGf19899260 [2019-12-07 18:03:58,470 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:03:58,470 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_059777d0-c3f3-4b22-b0ec-e04443875b41/sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i [2019-12-07 18:03:58,482 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_059777d0-c3f3-4b22-b0ec-e04443875b41/bin/uautomizer/data/b965fafa2/fec81689262d436a8a60dd48a574ef7d/FLAGf19899260 [2019-12-07 18:03:58,993 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_059777d0-c3f3-4b22-b0ec-e04443875b41/bin/uautomizer/data/b965fafa2/fec81689262d436a8a60dd48a574ef7d [2019-12-07 18:03:58,996 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:03:58,997 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-07 18:03:58,997 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:03:58,998 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:03:59,000 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:03:59,001 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:03:58" (1/1) ... [2019-12-07 18:03:59,003 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f9c3856 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:03:59, skipping insertion in model container [2019-12-07 18:03:59,003 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:03:58" (1/1) ... [2019-12-07 18:03:59,008 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:03:59,035 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:03:59,277 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:03:59,291 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 18:03:59,300 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:03:59,332 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:03:59,338 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:03:59,373 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:03:59,426 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:03:59,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:03:59 WrapperNode [2019-12-07 18:03:59,426 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:03:59,426 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:03:59,426 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:03:59,427 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:03:59,435 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:03:59" (1/1) ... [2019-12-07 18:03:59,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:03:59" (1/1) ... [2019-12-07 18:03:59,451 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:03:59" (1/1) ... [2019-12-07 18:03:59,451 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:03:59" (1/1) ... [2019-12-07 18:03:59,473 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:03:59" (1/1) ... [2019-12-07 18:03:59,477 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:03:59" (1/1) ... [2019-12-07 18:03:59,482 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:03:59" (1/1) ... [2019-12-07 18:03:59,488 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:03:59,489 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:03:59,489 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:03:59,489 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:03:59,489 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:03:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_059777d0-c3f3-4b22-b0ec-e04443875b41/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:03:59,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-12-07 18:03:59,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:03:59,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-12-07 18:03:59,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-12-07 18:03:59,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-12-07 18:03:59,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-12-07 18:03:59,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-12-07 18:03:59,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-12-07 18:03:59,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-12-07 18:03:59,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-12-07 18:03:59,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-12-07 18:03:59,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-12-07 18:03:59,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-12-07 18:03:59,528 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-12-07 18:03:59,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-12-07 18:03:59,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-12-07 18:03:59,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-12-07 18:03:59,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-12-07 18:03:59,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-12-07 18:03:59,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-12-07 18:03:59,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-12-07 18:03:59,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-12-07 18:03:59,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-12-07 18:03:59,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-12-07 18:03:59,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-12-07 18:03:59,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-12-07 18:03:59,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-12-07 18:03:59,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-12-07 18:03:59,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-12-07 18:03:59,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-12-07 18:03:59,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-12-07 18:03:59,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-12-07 18:03:59,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-12-07 18:03:59,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-12-07 18:03:59,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-12-07 18:03:59,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-12-07 18:03:59,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-12-07 18:03:59,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-12-07 18:03:59,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-12-07 18:03:59,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-12-07 18:03:59,530 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-12-07 18:03:59,530 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-12-07 18:03:59,531 INFO L138 BoogieDeclarations]: Found implementation of procedure f5 [2019-12-07 18:03:59,531 INFO L138 BoogieDeclarations]: Found implementation of procedure g5 [2019-12-07 18:03:59,531 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-12-07 18:03:59,531 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-12-07 18:03:59,531 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-12-07 18:03:59,531 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-12-07 18:03:59,531 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-12-07 18:03:59,531 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-12-07 18:03:59,531 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-12-07 18:03:59,531 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-12-07 18:03:59,531 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-12-07 18:03:59,531 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-12-07 18:03:59,532 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-12-07 18:03:59,532 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-12-07 18:03:59,532 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-12-07 18:03:59,532 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-12-07 18:03:59,532 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-12-07 18:03:59,532 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-12-07 18:03:59,532 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-12-07 18:03:59,532 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-12-07 18:03:59,532 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-12-07 18:03:59,532 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-12-07 18:03:59,532 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-12-07 18:03:59,532 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-12-07 18:03:59,532 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-12-07 18:03:59,532 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-12-07 18:03:59,533 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-12-07 18:03:59,533 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-12-07 18:03:59,533 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-12-07 18:03:59,533 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-12-07 18:03:59,533 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-12-07 18:03:59,533 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-12-07 18:03:59,533 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-12-07 18:03:59,533 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-12-07 18:03:59,533 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-12-07 18:03:59,533 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-12-07 18:03:59,533 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-12-07 18:03:59,533 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-12-07 18:03:59,533 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-12-07 18:03:59,533 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-12-07 18:03:59,534 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-12-07 18:03:59,534 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-12-07 18:03:59,534 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-12-07 18:03:59,534 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-12-07 18:03:59,534 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-12-07 18:03:59,534 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-12-07 18:03:59,534 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-12-07 18:03:59,534 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-12-07 18:03:59,534 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-12-07 18:03:59,534 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-12-07 18:03:59,534 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-12-07 18:03:59,534 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-12-07 18:03:59,534 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-12-07 18:03:59,534 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-12-07 18:03:59,535 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-12-07 18:03:59,535 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-12-07 18:03:59,535 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-12-07 18:03:59,535 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-12-07 18:03:59,535 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-12-07 18:03:59,535 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-12-07 18:03:59,535 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-12-07 18:03:59,535 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-12-07 18:03:59,535 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-12-07 18:03:59,535 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-12-07 18:03:59,535 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-12-07 18:03:59,535 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-12-07 18:03:59,535 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-12-07 18:03:59,535 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-12-07 18:03:59,536 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-12-07 18:03:59,536 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-12-07 18:03:59,536 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-12-07 18:03:59,536 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-12-07 18:03:59,536 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-12-07 18:03:59,536 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-12-07 18:03:59,536 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-12-07 18:03:59,536 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-12-07 18:03:59,536 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-12-07 18:03:59,536 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-12-07 18:03:59,536 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-12-07 18:03:59,536 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-12-07 18:03:59,536 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-12-07 18:03:59,536 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-12-07 18:03:59,536 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-12-07 18:03:59,537 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-12-07 18:03:59,537 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-12-07 18:03:59,537 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-12-07 18:03:59,537 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-12-07 18:03:59,537 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-12-07 18:03:59,537 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-12-07 18:03:59,537 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-12-07 18:03:59,537 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-12-07 18:03:59,537 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-12-07 18:03:59,537 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-12-07 18:03:59,537 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-12-07 18:03:59,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-12-07 18:03:59,537 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-12-07 18:03:59,537 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-12-07 18:03:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-12-07 18:03:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-12-07 18:03:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-12-07 18:03:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-12-07 18:03:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-12-07 18:03:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-12-07 18:03:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-12-07 18:03:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-12-07 18:03:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-12-07 18:03:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-12-07 18:03:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-12-07 18:03:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-12-07 18:03:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-12-07 18:03:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-12-07 18:03:59,539 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-12-07 18:03:59,539 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-12-07 18:03:59,539 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-12-07 18:03:59,539 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-12-07 18:03:59,539 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-12-07 18:03:59,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-12-07 18:03:59,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-12-07 18:03:59,539 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-12-07 18:03:59,539 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-12-07 18:03:59,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-12-07 18:03:59,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 18:03:59,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-12-07 18:03:59,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-12-07 18:03:59,539 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-12-07 18:03:59,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-07 18:03:59,540 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-12-07 18:03:59,540 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-12-07 18:03:59,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-12-07 18:03:59,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-07 18:03:59,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-12-07 18:03:59,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-12-07 18:03:59,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-12-07 18:03:59,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-12-07 18:03:59,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-12-07 18:03:59,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-12-07 18:03:59,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 18:03:59,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-12-07 18:03:59,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-12-07 18:03:59,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-12-07 18:03:59,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-12-07 18:03:59,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-12-07 18:03:59,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 18:03:59,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 18:03:59,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-12-07 18:03:59,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-12-07 18:03:59,541 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-12-07 18:03:59,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-12-07 18:03:59,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-12-07 18:03:59,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-12-07 18:03:59,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-12-07 18:03:59,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-12-07 18:03:59,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-12-07 18:03:59,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-12-07 18:03:59,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-12-07 18:03:59,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-12-07 18:03:59,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-12-07 18:03:59,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-12-07 18:03:59,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-12-07 18:03:59,542 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-12-07 18:03:59,543 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-12-07 18:03:59,543 INFO L130 BoogieDeclarations]: Found specification of procedure f5 [2019-12-07 18:03:59,543 INFO L130 BoogieDeclarations]: Found specification of procedure g5 [2019-12-07 18:03:59,543 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-12-07 18:03:59,543 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-12-07 18:03:59,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-12-07 18:03:59,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 18:03:59,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-12-07 18:03:59,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:03:59,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-12-07 18:03:59,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-12-07 18:03:59,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-12-07 18:03:59,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-12-07 18:03:59,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-12-07 18:03:59,880 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 18:04:00,138 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 18:04:00,379 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:04:00,379 INFO L287 CfgBuilder]: Removed 1 assume(true) statements. [2019-12-07 18:04:00,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:04:00 BoogieIcfgContainer [2019-12-07 18:04:00,380 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:04:00,381 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 18:04:00,381 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 18:04:00,383 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 18:04:00,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 06:03:58" (1/3) ... [2019-12-07 18:04:00,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d45ea1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:04:00, skipping insertion in model container [2019-12-07 18:04:00,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:03:59" (2/3) ... [2019-12-07 18:04:00,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d45ea1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:04:00, skipping insertion in model container [2019-12-07 18:04:00,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:04:00" (3/3) ... [2019-12-07 18:04:00,385 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test5_2.i [2019-12-07 18:04:00,392 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 18:04:00,397 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2019-12-07 18:04:00,405 INFO L249 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2019-12-07 18:04:00,417 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 18:04:00,418 INFO L374 AbstractCegarLoop]: Hoare is false [2019-12-07 18:04:00,418 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 18:04:00,418 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:04:00,418 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:04:00,418 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 18:04:00,418 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:04:00,418 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 18:04:00,430 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states. [2019-12-07 18:04:00,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-07 18:04:00,436 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:04:00,436 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:04:00,437 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, g5Err2ASSERT_VIOLATIONMEMORY_FREE, g5Err0ASSERT_VIOLATIONMEMORY_FREE, g5Err1ASSERT_VIOLATIONMEMORY_FREE, __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]=== [2019-12-07 18:04:00,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:04:00,441 INFO L82 PathProgramCache]: Analyzing trace with hash 1865659629, now seen corresponding path program 1 times [2019-12-07 18:04:00,448 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 18:04:00,448 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1890690002] [2019-12-07 18:04:00,448 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_059777d0-c3f3-4b22-b0ec-e04443875b41/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 18:04:00,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:04:00,583 INFO L264 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2019-12-07 18:04:00,589 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:04:00,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:04:00,671 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 18:04:00,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:04:00,722 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1890690002] [2019-12-07 18:04:00,722 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:04:00,722 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2019-12-07 18:04:00,723 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349664008] [2019-12-07 18:04:00,728 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-07 18:04:00,728 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 18:04:00,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 18:04:00,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-07 18:04:00,744 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 7 states. [2019-12-07 18:04:00,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:04:00,796 INFO L93 Difference]: Finished difference Result 28 states and 28 transitions. [2019-12-07 18:04:00,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 18:04:00,798 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2019-12-07 18:04:00,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:04:00,804 INFO L225 Difference]: With dead ends: 28 [2019-12-07 18:04:00,804 INFO L226 Difference]: Without dead ends: 25 [2019-12-07 18:04:00,805 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-12-07 18:04:00,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-12-07 18:04:00,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2019-12-07 18:04:00,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-12-07 18:04:00,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2019-12-07 18:04:00,829 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 20 [2019-12-07 18:04:00,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:04:00,830 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2019-12-07 18:04:00,830 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-07 18:04:00,830 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2019-12-07 18:04:00,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 18:04:00,831 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:04:00,831 INFO L410 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] [2019-12-07 18:04:01,031 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 18:04:01,032 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, g5Err2ASSERT_VIOLATIONMEMORY_FREE, g5Err0ASSERT_VIOLATIONMEMORY_FREE, g5Err1ASSERT_VIOLATIONMEMORY_FREE, __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]=== [2019-12-07 18:04:01,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:04:01,032 INFO L82 PathProgramCache]: Analyzing trace with hash -1573100356, now seen corresponding path program 1 times [2019-12-07 18:04:01,033 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 18:04:01,033 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [365113326] [2019-12-07 18:04:01,033 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_059777d0-c3f3-4b22-b0ec-e04443875b41/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 18:04:01,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:04:01,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:04:01,176 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-12-07 18:04:01,176 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 18:04:01,377 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 18:04:01,386 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-12-07 18:04:01,389 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# [2019-12-07 18:04:01,390 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 7bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-12-07 18:04:01,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 06:04:01 BoogieIcfgContainer [2019-12-07 18:04:01,396 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 18:04:01,396 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 18:04:01,397 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 18:04:01,397 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 18:04:01,397 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:04:00" (3/4) ... [2019-12-07 18:04:01,400 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 18:04:01,400 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 18:04:01,401 INFO L168 Benchmark]: Toolchain (without parser) took 2404.05 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 947.0 MB in the beginning and 829.5 MB in the end (delta: 117.6 MB). Peak memory consumption was 238.1 MB. Max. memory is 11.5 GB. [2019-12-07 18:04:01,401 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:04:01,402 INFO L168 Benchmark]: CACSL2BoogieTranslator took 428.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -123.4 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-12-07 18:04:01,402 INFO L168 Benchmark]: Boogie Preprocessor took 62.01 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:04:01,403 INFO L168 Benchmark]: RCFGBuilder took 891.92 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 958.8 MB in the end (delta: 111.6 MB). Peak memory consumption was 111.6 MB. Max. memory is 11.5 GB. [2019-12-07 18:04:01,403 INFO L168 Benchmark]: TraceAbstraction took 1015.02 ms. Allocated memory is still 1.1 GB. Free memory was 958.8 MB in the beginning and 829.5 MB in the end (delta: 129.3 MB). Peak memory consumption was 129.3 MB. Max. memory is 11.5 GB. [2019-12-07 18:04:01,403 INFO L168 Benchmark]: Witness Printer took 3.22 ms. Allocated memory is still 1.1 GB. Free memory is still 829.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:04:01,405 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 428.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -123.4 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 62.01 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 891.92 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 958.8 MB in the end (delta: 111.6 MB). Peak memory consumption was 111.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1015.02 ms. Allocated memory is still 1.1 GB. Free memory was 958.8 MB in the beginning and 829.5 MB in the end (delta: 129.3 MB). Peak memory consumption was 129.3 MB. Max. memory is 11.5 GB. * Witness Printer took 3.22 ms. Allocated memory is still 1.1 GB. Free memory is still 829.5 MB. 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 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 7bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 770]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 770. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={3:0}] [L771] CALL entry_point() VAL [ldv_global_msg_list={3:0}] [L767] CALL, EXPR f5() VAL [ldv_global_msg_list={3:0}] [L758] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={3:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); VAL [\old(size)=4, \result={1:0}, ldv_global_msg_list={3:0}, malloc(size)={1:0}, size=4] [L758] RET, EXPR ldv_malloc(sizeof(int)) VAL [ldv_global_msg_list={3:0}, ldv_malloc(sizeof(int))={1:0}] [L758] int *p = (int *)ldv_malloc(sizeof(int)); [L759] return 0; VAL [\result={0:0}, ldv_global_msg_list={3:0}, p={1:0}] [L767] RET, EXPR f5() VAL [f5()={0:0}, ldv_global_msg_list={3:0}] [L767] int *p = f5(); [L768] CALL g5(p) VAL [ldv_global_msg_list={3:0}, p={0:0}] [L762] COND FALSE !(\read(*p)) VAL [ldv_global_msg_list={3:0}, p={0:0}, p={0:0}] [L768] RET g5(p) VAL [ldv_global_msg_list={3:0}, p={0:0}] [L771] RET entry_point() VAL [ldv_global_msg_list={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 49 procedures, 344 locations, 74 error locations. Result: UNSAFE, OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 24 SDtfs, 6 SDslu, 113 SDs, 0 SdLazy, 18 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 2090 SizeOfPredicates, 4 NumberOfNonLiveVariables, 83 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...