./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version f8e1c903 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX --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 696e33c675918fc8350b482c3d25537e8a3aa795a76532943c9c159afade7e86 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-f8e1c90 [2021-11-09 09:09:27,713 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 09:09:27,715 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 09:09:27,747 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 09:09:27,748 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 09:09:27,750 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 09:09:27,752 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 09:09:27,754 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 09:09:27,756 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 09:09:27,758 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 09:09:27,759 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 09:09:27,761 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 09:09:27,762 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 09:09:27,763 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 09:09:27,765 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 09:09:27,766 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 09:09:27,768 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 09:09:27,769 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 09:09:27,771 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 09:09:27,774 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 09:09:27,777 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 09:09:27,779 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 09:09:27,780 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 09:09:27,781 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 09:09:27,785 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 09:09:27,786 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 09:09:27,787 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 09:09:27,788 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 09:09:27,789 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 09:09:27,790 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 09:09:27,791 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 09:09:27,792 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 09:09:27,793 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 09:09:27,794 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 09:09:27,796 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 09:09:27,796 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 09:09:27,797 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 09:09:27,798 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 09:09:27,798 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 09:09:27,800 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 09:09:27,801 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 09:09:27,802 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-11-09 09:09:27,827 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 09:09:27,828 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 09:09:27,828 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 09:09:27,829 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 09:09:27,830 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 09:09:27,831 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 09:09:27,831 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 09:09:27,832 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 09:09:27,832 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-09 09:09:27,833 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-09 09:09:27,833 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-09 09:09:27,839 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-09 09:09:27,839 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 09:09:27,840 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-09 09:09:27,840 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-09 09:09:27,840 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-09 09:09:27,841 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-09 09:09:27,841 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-09 09:09:27,841 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-09 09:09:27,841 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 09:09:27,842 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 09:09:27,842 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 09:09:27,842 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-09 09:09:27,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 09:09:27,843 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 09:09:27,843 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-09 09:09:27,844 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-09 09:09:27,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-09 09:09:27,844 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 09:09:27,844 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 696e33c675918fc8350b482c3d25537e8a3aa795a76532943c9c159afade7e86 [2021-11-09 09:09:28,094 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 09:09:28,119 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 09:09:28,122 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 09:09:28,124 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 09:09:28,125 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 09:09:28,126 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/ldv-memsafety/memleaks_test5.i [2021-11-09 09:09:28,199 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/data/b31059bfa/b2abc76e941c4b94af7d229cd721a1ab/FLAG8cd081710 [2021-11-09 09:09:28,877 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 09:09:28,878 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/sv-benchmarks/c/ldv-memsafety/memleaks_test5.i [2021-11-09 09:09:28,914 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/data/b31059bfa/b2abc76e941c4b94af7d229cd721a1ab/FLAG8cd081710 [2021-11-09 09:09:29,139 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/data/b31059bfa/b2abc76e941c4b94af7d229cd721a1ab [2021-11-09 09:09:29,142 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 09:09:29,144 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-09 09:09:29,163 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 09:09:29,164 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 09:09:29,168 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 09:09:29,170 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:09:29" (1/1) ... [2021-11-09 09:09:29,171 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a879715 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:29, skipping insertion in model container [2021-11-09 09:09:29,171 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:09:29" (1/1) ... [2021-11-09 09:09:29,180 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 09:09:29,231 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 09:09:29,844 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 09:09:29,873 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) [2021-11-09 09:09:29,874 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7a8c58f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:29, skipping insertion in model container [2021-11-09 09:09:29,874 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 09:09:29,875 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-11-09 09:09:29,879 INFO L168 Benchmark]: Toolchain (without parser) took 732.02 ms. Allocated memory is still 100.7 MB. Free memory was 67.6 MB in the beginning and 72.8 MB in the end (delta: -5.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-09 09:09:29,880 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 100.7 MB. Free memory is still 56.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 09:09:29,882 INFO L168 Benchmark]: CACSL2BoogieTranslator took 711.66 ms. Allocated memory is still 100.7 MB. Free memory was 67.6 MB in the beginning and 72.8 MB in the end (delta: -5.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-09 09:09:29,885 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 100.7 MB. Free memory is still 56.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 711.66 ms. Allocated memory is still 100.7 MB. Free memory was 67.6 MB in the beginning and 72.8 MB in the end (delta: -5.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX --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 696e33c675918fc8350b482c3d25537e8a3aa795a76532943c9c159afade7e86 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-f8e1c90 [2021-11-09 09:09:32,448 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 09:09:32,451 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 09:09:32,504 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 09:09:32,505 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 09:09:32,510 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 09:09:32,512 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 09:09:32,523 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 09:09:32,526 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 09:09:32,532 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 09:09:32,533 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 09:09:32,536 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 09:09:32,536 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 09:09:32,539 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 09:09:32,541 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 09:09:32,547 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 09:09:32,549 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 09:09:32,551 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 09:09:32,553 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 09:09:32,562 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 09:09:32,565 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 09:09:32,566 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 09:09:32,569 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 09:09:32,571 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 09:09:32,580 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 09:09:32,580 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 09:09:32,581 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 09:09:32,583 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 09:09:32,584 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 09:09:32,585 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 09:09:32,585 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 09:09:32,586 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 09:09:32,588 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 09:09:32,589 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 09:09:32,591 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 09:09:32,591 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 09:09:32,592 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 09:09:32,593 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 09:09:32,593 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 09:09:32,595 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 09:09:32,595 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 09:09:32,601 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-11-09 09:09:32,644 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 09:09:32,645 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 09:09:32,645 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 09:09:32,646 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 09:09:32,648 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 09:09:32,648 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 09:09:32,648 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 09:09:32,649 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 09:09:32,649 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-09 09:09:32,649 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-09 09:09:32,650 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-09 09:09:32,651 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-09 09:09:32,651 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 09:09:32,651 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-09 09:09:32,652 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-09 09:09:32,652 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-09 09:09:32,652 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-09 09:09:32,652 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-09 09:09:32,652 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-09 09:09:32,653 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-09 09:09:32,653 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-09 09:09:32,653 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 09:09:32,653 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 09:09:32,654 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 09:09:32,654 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-09 09:09:32,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 09:09:32,655 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 09:09:32,655 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-09 09:09:32,655 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-09 09:09:32,655 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-09 09:09:32,655 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 09:09:32,656 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-09 09:09:32,656 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 696e33c675918fc8350b482c3d25537e8a3aa795a76532943c9c159afade7e86 [2021-11-09 09:09:33,056 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 09:09:33,101 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 09:09:33,107 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 09:09:33,109 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 09:09:33,110 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 09:09:33,111 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/ldv-memsafety/memleaks_test5.i [2021-11-09 09:09:33,207 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/data/43266b55a/b53ab0b298a846a69e4c65316a8892e5/FLAGa00ec30e4 [2021-11-09 09:09:33,996 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 09:09:33,998 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/sv-benchmarks/c/ldv-memsafety/memleaks_test5.i [2021-11-09 09:09:34,015 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/data/43266b55a/b53ab0b298a846a69e4c65316a8892e5/FLAGa00ec30e4 [2021-11-09 09:09:34,208 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/data/43266b55a/b53ab0b298a846a69e4c65316a8892e5 [2021-11-09 09:09:34,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 09:09:34,213 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-09 09:09:34,222 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 09:09:34,222 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 09:09:34,226 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 09:09:34,227 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:09:34" (1/1) ... [2021-11-09 09:09:34,228 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d06e3d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:34, skipping insertion in model container [2021-11-09 09:09:34,229 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:09:34" (1/1) ... [2021-11-09 09:09:34,246 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 09:09:34,335 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 09:09:34,813 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 09:09:34,842 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-09 09:09:34,860 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 09:09:34,945 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 09:09:34,956 INFO L203 MainTranslator]: Completed pre-run [2021-11-09 09:09:35,008 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 09:09:35,061 INFO L208 MainTranslator]: Completed translation [2021-11-09 09:09:35,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:35 WrapperNode [2021-11-09 09:09:35,062 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 09:09:35,063 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-09 09:09:35,064 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-09 09:09:35,064 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-09 09:09:35,077 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:35" (1/1) ... [2021-11-09 09:09:35,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:35" (1/1) ... [2021-11-09 09:09:35,103 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:35" (1/1) ... [2021-11-09 09:09:35,104 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:35" (1/1) ... [2021-11-09 09:09:35,148 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:35" (1/1) ... [2021-11-09 09:09:35,183 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:35" (1/1) ... [2021-11-09 09:09:35,197 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:35" (1/1) ... [2021-11-09 09:09:35,208 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-09 09:09:35,209 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-09 09:09:35,209 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-09 09:09:35,209 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-09 09:09:35,224 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:35" (1/1) ... [2021-11-09 09:09:35,233 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 09:09:35,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:09:35,264 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-09 09:09:35,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-09 09:09:35,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-11-09 09:09:35,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-09 09:09:35,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-09 09:09:35,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-11-09 09:09:35,342 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-11-09 09:09:35,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-11-09 09:09:35,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-11-09 09:09:35,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-11-09 09:09:35,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-11-09 09:09:35,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-11-09 09:09:35,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-11-09 09:09:35,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-09 09:09:35,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-09 09:09:35,346 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-11-09 09:09:35,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-11-09 09:09:35,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-11-09 09:09:35,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-11-09 09:09:35,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-11-09 09:09:35,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-11-09 09:09:35,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-11-09 09:09:35,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-11-09 09:09:35,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-11-09 09:09:35,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-11-09 09:09:35,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-11-09 09:09:35,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-11-09 09:09:35,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-09 09:09:35,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-11-09 09:09:35,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-11-09 09:09:35,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-11-09 09:09:35,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-11-09 09:09:35,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-11-09 09:09:35,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-11-09 09:09:35,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-11-09 09:09:35,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-11-09 09:09:35,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-11-09 09:09:35,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-11-09 09:09:35,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-11-09 09:09:35,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-11-09 09:09:35,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-11-09 09:09:35,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-11-09 09:09:35,351 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-11-09 09:09:35,351 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-11-09 09:09:35,352 INFO L138 BoogieDeclarations]: Found implementation of procedure h5 [2021-11-09 09:09:35,352 INFO L138 BoogieDeclarations]: Found implementation of procedure g5 [2021-11-09 09:09:35,352 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-11-09 09:09:35,353 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-11-09 09:09:35,353 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-09 09:09:35,354 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-09 09:09:35,354 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-09 09:09:35,354 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-11-09 09:09:35,354 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-11-09 09:09:35,355 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-11-09 09:09:35,355 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-11-09 09:09:35,355 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-11-09 09:09:35,355 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-11-09 09:09:35,355 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-11-09 09:09:35,356 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-11-09 09:09:35,356 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-11-09 09:09:35,357 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-11-09 09:09:35,357 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-11-09 09:09:35,357 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-11-09 09:09:35,358 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-11-09 09:09:35,359 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-11-09 09:09:35,359 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-11-09 09:09:35,360 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-11-09 09:09:35,360 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-11-09 09:09:35,361 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-11-09 09:09:35,361 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-11-09 09:09:35,361 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-11-09 09:09:35,361 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-11-09 09:09:35,362 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-11-09 09:09:35,362 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-11-09 09:09:35,362 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-11-09 09:09:35,362 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-11-09 09:09:35,362 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-11-09 09:09:35,363 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-11-09 09:09:35,363 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-11-09 09:09:35,363 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-11-09 09:09:35,363 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-11-09 09:09:35,364 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-11-09 09:09:35,364 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-11-09 09:09:35,364 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-11-09 09:09:35,365 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-11-09 09:09:35,365 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-11-09 09:09:35,365 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-11-09 09:09:35,365 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-11-09 09:09:35,365 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-11-09 09:09:35,366 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-11-09 09:09:35,366 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-11-09 09:09:35,366 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-11-09 09:09:35,366 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-11-09 09:09:35,366 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-11-09 09:09:35,366 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-11-09 09:09:35,367 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-11-09 09:09:35,367 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-11-09 09:09:35,367 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-11-09 09:09:35,367 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-11-09 09:09:35,367 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-11-09 09:09:35,368 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-11-09 09:09:35,368 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-11-09 09:09:35,368 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-11-09 09:09:35,368 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-11-09 09:09:35,368 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-11-09 09:09:35,368 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-11-09 09:09:35,369 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-11-09 09:09:35,369 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-11-09 09:09:35,369 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-11-09 09:09:35,369 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-11-09 09:09:35,369 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-11-09 09:09:35,369 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-11-09 09:09:35,370 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-11-09 09:09:35,370 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-11-09 09:09:35,370 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-11-09 09:09:35,370 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-11-09 09:09:35,370 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-11-09 09:09:35,371 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-11-09 09:09:35,371 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-11-09 09:09:35,371 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-11-09 09:09:35,371 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-11-09 09:09:35,371 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-11-09 09:09:35,371 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-11-09 09:09:35,372 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-11-09 09:09:35,372 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-11-09 09:09:35,372 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-11-09 09:09:35,372 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-11-09 09:09:35,372 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-11-09 09:09:35,373 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-11-09 09:09:35,373 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-11-09 09:09:35,373 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-11-09 09:09:35,373 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-11-09 09:09:35,373 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-11-09 09:09:35,374 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-11-09 09:09:35,374 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-11-09 09:09:35,374 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-11-09 09:09:35,374 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-11-09 09:09:35,374 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-11-09 09:09:35,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-11-09 09:09:35,375 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-11-09 09:09:35,375 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-11-09 09:09:35,375 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-11-09 09:09:35,375 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-11-09 09:09:35,375 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-11-09 09:09:35,376 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-11-09 09:09:35,376 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-11-09 09:09:35,376 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-11-09 09:09:35,376 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-11-09 09:09:35,376 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-11-09 09:09:35,376 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-11-09 09:09:35,377 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-11-09 09:09:35,377 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-11-09 09:09:35,377 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-11-09 09:09:35,377 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-11-09 09:09:35,377 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-11-09 09:09:35,377 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-11-09 09:09:35,378 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-11-09 09:09:35,378 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-11-09 09:09:35,378 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-09 09:09:35,378 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-11-09 09:09:35,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-11-09 09:09:35,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-11-09 09:09:35,379 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-11-09 09:09:35,379 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-11-09 09:09:35,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-09 09:09:35,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-09 09:09:35,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-09 09:09:35,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-09 09:09:35,380 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-11-09 09:09:35,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-09 09:09:35,380 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-11-09 09:09:35,380 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-11-09 09:09:35,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-11-09 09:09:35,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-09 09:09:35,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-11-09 09:09:35,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-11-09 09:09:35,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-11-09 09:09:35,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-11-09 09:09:35,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-09 09:09:35,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-11-09 09:09:35,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-09 09:09:35,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-11-09 09:09:35,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-11-09 09:09:35,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-11-09 09:09:35,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-09 09:09:35,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-11-09 09:09:35,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-09 09:09:35,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-09 09:09:35,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-11-09 09:09:35,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-11-09 09:09:35,383 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-09 09:09:35,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-11-09 09:09:35,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-11-09 09:09:35,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-11-09 09:09:35,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-11-09 09:09:35,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-11-09 09:09:35,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-11-09 09:09:35,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-11-09 09:09:35,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-11-09 09:09:35,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-11-09 09:09:35,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-11-09 09:09:35,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-11-09 09:09:35,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-09 09:09:35,386 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-11-09 09:09:35,386 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-11-09 09:09:35,386 INFO L130 BoogieDeclarations]: Found specification of procedure h5 [2021-11-09 09:09:35,386 INFO L130 BoogieDeclarations]: Found specification of procedure g5 [2021-11-09 09:09:35,386 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-11-09 09:09:35,387 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-11-09 09:09:35,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-11-09 09:09:35,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-09 09:09:35,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-09 09:09:35,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-09 09:09:35,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-11-09 09:09:35,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-09 09:09:35,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-09 09:09:35,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-09 09:09:35,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-09 09:09:36,063 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-09 09:09:36,496 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-09 09:09:36,881 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-09 09:09:36,881 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-09 09:09:36,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:09:36 BoogieIcfgContainer [2021-11-09 09:09:36,897 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-09 09:09:36,899 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-09 09:09:36,899 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-09 09:09:36,902 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-09 09:09:36,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 09:09:34" (1/3) ... [2021-11-09 09:09:36,903 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34295aee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 09:09:36, skipping insertion in model container [2021-11-09 09:09:36,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:35" (2/3) ... [2021-11-09 09:09:36,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34295aee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 09:09:36, skipping insertion in model container [2021-11-09 09:09:36,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:09:36" (3/3) ... [2021-11-09 09:09:36,905 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test5.i [2021-11-09 09:09:36,911 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-09 09:09:36,911 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 74 error locations. [2021-11-09 09:09:36,957 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-09 09:09:36,963 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-09 09:09:36,963 INFO L340 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2021-11-09 09:09:36,979 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 57 states have (on average 1.4912280701754386) internal successors, (85), 78 states have internal predecessors, (85), 13 states have call successors, (13), 12 states have call predecessors, (13), 12 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-09 09:09:36,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-09 09:09:36,987 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:09:36,988 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:09:36,988 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting g5Err0ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-11-09 09:09:36,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:09:36,994 INFO L85 PathProgramCache]: Analyzing trace with hash -797462538, now seen corresponding path program 1 times [2021-11-09 09:09:37,005 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-09 09:09:37,006 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1844124355] [2021-11-09 09:09:37,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:09:37,007 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-09 09:09:37,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/mathsat [2021-11-09 09:09:37,012 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-09 09:09:37,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-09 09:09:37,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:09:37,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-09 09:09:37,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:09:37,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:09:37,482 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-09 09:09:37,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:09:37,709 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-09 09:09:37,710 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1844124355] [2021-11-09 09:09:37,711 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1844124355] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-09 09:09:37,711 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:09:37,712 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2021-11-09 09:09:37,719 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278143058] [2021-11-09 09:09:37,725 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-09 09:09:37,725 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-09 09:09:37,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-09 09:09:37,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-09 09:09:37,750 INFO L87 Difference]: Start difference. First operand has 104 states, 57 states have (on average 1.4912280701754386) internal successors, (85), 78 states have internal predecessors, (85), 13 states have call successors, (13), 12 states have call predecessors, (13), 12 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 9 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-09 09:09:37,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:09:37,855 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2021-11-09 09:09:37,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-09 09:09:37,857 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 20 [2021-11-09 09:09:37,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:09:37,866 INFO L225 Difference]: With dead ends: 33 [2021-11-09 09:09:37,867 INFO L226 Difference]: Without dead ends: 30 [2021-11-09 09:09:37,868 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-11-09 09:09:37,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-11-09 09:09:37,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2021-11-09 09:09:37,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 6 states have call successors, (6), 6 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-09 09:09:37,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2021-11-09 09:09:37,907 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 20 [2021-11-09 09:09:37,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:09:37,908 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2021-11-09 09:09:37,908 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-09 09:09:37,909 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2021-11-09 09:09:37,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-09 09:09:37,910 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:09:37,910 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:09:37,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-09 09:09:38,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 [2021-11-09 09:09:38,124 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting g5Err1ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-11-09 09:09:38,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:09:38,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1048465454, now seen corresponding path program 1 times [2021-11-09 09:09:38,125 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-09 09:09:38,126 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1388861677] [2021-11-09 09:09:38,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:09:38,126 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-09 09:09:38,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/mathsat [2021-11-09 09:09:38,129 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-09 09:09:38,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-09 09:09:38,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:09:38,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-09 09:09:38,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:09:38,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:09:38,781 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-09 09:09:39,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:09:39,278 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-09 09:09:39,278 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1388861677] [2021-11-09 09:09:39,278 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1388861677] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-09 09:09:39,278 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:09:39,278 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 8] imperfect sequences [] total 16 [2021-11-09 09:09:39,279 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279204028] [2021-11-09 09:09:39,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-09 09:09:39,280 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-09 09:09:39,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-09 09:09:39,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2021-11-09 09:09:39,283 INFO L87 Difference]: Start difference. First operand 30 states and 31 transitions. Second operand has 17 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 11 states have internal predecessors, (24), 4 states have call successors, (11), 4 states have call predecessors, (11), 6 states have return successors, (6), 6 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-09 09:09:39,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:09:39,830 INFO L93 Difference]: Finished difference Result 46 states and 47 transitions. [2021-11-09 09:09:39,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-09 09:09:39,831 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 11 states have internal predecessors, (24), 4 states have call successors, (11), 4 states have call predecessors, (11), 6 states have return successors, (6), 6 states have call predecessors, (6), 2 states have call successors, (6) Word has length 21 [2021-11-09 09:09:39,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:09:39,834 INFO L225 Difference]: With dead ends: 46 [2021-11-09 09:09:39,834 INFO L226 Difference]: Without dead ends: 46 [2021-11-09 09:09:39,835 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-11-09 09:09:39,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2021-11-09 09:09:39,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 43. [2021-11-09 09:09:39,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 26 states have (on average 1.1538461538461537) internal successors, (30), 28 states have internal predecessors, (30), 7 states have call successors, (7), 7 states have call predecessors, (7), 8 states have return successors, (8), 7 states have call predecessors, (8), 6 states have call successors, (8) [2021-11-09 09:09:39,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 45 transitions. [2021-11-09 09:09:39,845 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 45 transitions. Word has length 21 [2021-11-09 09:09:39,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:09:39,846 INFO L470 AbstractCegarLoop]: Abstraction has 43 states and 45 transitions. [2021-11-09 09:09:39,846 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 11 states have internal predecessors, (24), 4 states have call successors, (11), 4 states have call predecessors, (11), 6 states have return successors, (6), 6 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-09 09:09:39,847 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2021-11-09 09:09:39,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-09 09:09:39,848 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:09:39,848 INFO L513 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] [2021-11-09 09:09:39,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-09 09:09:40,060 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 [2021-11-09 09:09:40,060 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting g5Err2ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-11-09 09:09:40,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:09:40,061 INFO L85 PathProgramCache]: Analyzing trace with hash -1857308936, now seen corresponding path program 1 times [2021-11-09 09:09:40,061 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-09 09:09:40,061 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1215793905] [2021-11-09 09:09:40,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:09:40,062 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-09 09:09:40,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/mathsat [2021-11-09 09:09:40,063 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-09 09:09:40,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-09 09:09:40,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:09:40,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-09 09:09:40,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:09:40,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-09 09:09:40,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:09:40,484 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-09 09:09:40,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:09:40,756 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-09 09:09:40,756 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1215793905] [2021-11-09 09:09:40,758 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1215793905] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-09 09:09:40,758 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:09:40,758 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2021-11-09 09:09:40,759 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698646269] [2021-11-09 09:09:40,759 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-09 09:09:40,760 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-09 09:09:40,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-09 09:09:40,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-09 09:09:40,764 INFO L87 Difference]: Start difference. First operand 43 states and 45 transitions. Second operand has 9 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-09 09:09:40,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:09:40,916 INFO L93 Difference]: Finished difference Result 43 states and 44 transitions. [2021-11-09 09:09:40,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-09 09:09:40,917 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 22 [2021-11-09 09:09:40,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:09:40,918 INFO L225 Difference]: With dead ends: 43 [2021-11-09 09:09:40,919 INFO L226 Difference]: Without dead ends: 43 [2021-11-09 09:09:40,919 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 29 SyntacticMatches, 7 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-11-09 09:09:40,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-11-09 09:09:40,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2021-11-09 09:09:40,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 28 states have internal predecessors, (29), 7 states have call successors, (7), 7 states have call predecessors, (7), 8 states have return successors, (8), 7 states have call predecessors, (8), 6 states have call successors, (8) [2021-11-09 09:09:40,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 44 transitions. [2021-11-09 09:09:40,927 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 44 transitions. Word has length 22 [2021-11-09 09:09:40,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:09:40,928 INFO L470 AbstractCegarLoop]: Abstraction has 43 states and 44 transitions. [2021-11-09 09:09:40,928 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-09 09:09:40,928 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2021-11-09 09:09:40,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-09 09:09:40,929 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:09:40,934 INFO L513 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] [2021-11-09 09:09:40,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-09 09:09:41,147 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 [2021-11-09 09:09:41,148 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting g5Err2ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-11-09 09:09:41,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:09:41,149 INFO L85 PathProgramCache]: Analyzing trace with hash 2144255353, now seen corresponding path program 1 times [2021-11-09 09:09:41,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-09 09:09:41,149 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [267759702] [2021-11-09 09:09:41,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:09:41,150 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-09 09:09:41,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/mathsat [2021-11-09 09:09:41,156 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-09 09:09:41,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-09 09:09:41,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:09:41,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-09 09:09:41,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:09:41,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:09:41,636 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-09 09:09:41,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:09:41,943 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-09 09:09:41,943 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [267759702] [2021-11-09 09:09:41,944 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [267759702] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-09 09:09:41,944 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:09:41,944 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 9 [2021-11-09 09:09:41,945 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386181586] [2021-11-09 09:09:41,945 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-09 09:09:41,945 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-09 09:09:41,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-09 09:09:41,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-09 09:09:41,947 INFO L87 Difference]: Start difference. First operand 43 states and 44 transitions. Second operand has 9 states, 8 states have (on average 1.625) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-09 09:09:42,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:09:42,040 INFO L93 Difference]: Finished difference Result 41 states and 41 transitions. [2021-11-09 09:09:42,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-09 09:09:42,041 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.625) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 22 [2021-11-09 09:09:42,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:09:42,042 INFO L225 Difference]: With dead ends: 41 [2021-11-09 09:09:42,043 INFO L226 Difference]: Without dead ends: 41 [2021-11-09 09:09:42,043 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-11-09 09:09:42,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2021-11-09 09:09:42,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2021-11-09 09:09:42,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 23 states have (on average 1.0434782608695652) internal successors, (24), 24 states have internal predecessors, (24), 7 states have call successors, (7), 7 states have call predecessors, (7), 8 states have return successors, (8), 7 states have call predecessors, (8), 6 states have call successors, (8) [2021-11-09 09:09:42,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 39 transitions. [2021-11-09 09:09:42,052 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 39 transitions. Word has length 22 [2021-11-09 09:09:42,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:09:42,053 INFO L470 AbstractCegarLoop]: Abstraction has 39 states and 39 transitions. [2021-11-09 09:09:42,053 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.625) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-09 09:09:42,054 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 39 transitions. [2021-11-09 09:09:42,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-09 09:09:42,056 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:09:42,057 INFO L513 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] [2021-11-09 09:09:42,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-09 09:09:42,270 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 [2021-11-09 09:09:42,271 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-11-09 09:09:42,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:09:42,271 INFO L85 PathProgramCache]: Analyzing trace with hash -714793594, now seen corresponding path program 1 times [2021-11-09 09:09:42,272 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-09 09:09:42,272 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1063705200] [2021-11-09 09:09:42,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:09:42,272 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-09 09:09:42,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/mathsat [2021-11-09 09:09:42,276 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-09 09:09:42,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-09 09:09:42,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:09:42,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-09 09:09:42,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:09:42,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:09:42,584 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-09 09:09:42,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:09:42,795 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-09 09:09:42,795 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1063705200] [2021-11-09 09:09:42,795 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1063705200] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-09 09:09:42,795 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:09:42,796 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-09 09:09:42,796 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618533664] [2021-11-09 09:09:42,797 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:09:42,797 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-09 09:09:42,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:09:42,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:09:42,798 INFO L87 Difference]: Start difference. First operand 39 states and 39 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-09 09:09:42,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:09:42,838 INFO L93 Difference]: Finished difference Result 42 states and 41 transitions. [2021-11-09 09:09:42,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:09:42,839 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 24 [2021-11-09 09:09:42,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:09:42,840 INFO L225 Difference]: With dead ends: 42 [2021-11-09 09:09:42,840 INFO L226 Difference]: Without dead ends: 28 [2021-11-09 09:09:42,840 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:09:42,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2021-11-09 09:09:42,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2021-11-09 09:09:42,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 16 states have (on average 1.0) internal successors, (16), 16 states have internal predecessors, (16), 6 states have call successors, (6), 6 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-09 09:09:42,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 27 transitions. [2021-11-09 09:09:42,844 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 27 transitions. Word has length 24 [2021-11-09 09:09:42,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:09:42,844 INFO L470 AbstractCegarLoop]: Abstraction has 28 states and 27 transitions. [2021-11-09 09:09:42,845 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-09 09:09:42,845 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 27 transitions. [2021-11-09 09:09:42,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-09 09:09:42,846 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:09:42,847 INFO L513 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, 1, 1, 1] [2021-11-09 09:09:42,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-09 09:09:43,060 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 [2021-11-09 09:09:43,060 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-11-09 09:09:43,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:09:43,061 INFO L85 PathProgramCache]: Analyzing trace with hash -745239103, now seen corresponding path program 1 times [2021-11-09 09:09:43,061 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-09 09:09:43,062 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1073850421] [2021-11-09 09:09:43,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:09:43,062 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-09 09:09:43,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/mathsat [2021-11-09 09:09:43,063 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-09 09:09:43,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-09 09:09:43,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:09:43,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-09 09:09:43,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:09:43,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:09:43,736 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-09 09:09:54,666 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-09 09:09:54,667 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1073850421] [2021-11-09 09:09:54,667 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Shadow problem: [|v_old(#valid)_BEFORE_CALL_13|] [2021-11-09 09:09:54,668 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1660475066] [2021-11-09 09:09:54,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:09:54,668 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-09 09:09:54,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/cvc4 [2021-11-09 09:09:54,676 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-09 09:09:54,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2021-11-09 09:09:55,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:09:55,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-09 09:09:55,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:09:55,087 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-09 09:09:55,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 28 [2021-11-09 09:10:02,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:10:02,428 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-09 09:10:15,194 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_19| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_entry_point_~p~1.base_15 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_19| (store |c_old(#valid)| v_entry_point_~p~1.base_15 (_ bv0 1)))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_entry_point_~p~1.base_15)))))))))) (= |v_old(#valid)_BEFORE_CALL_19| (store |c_#valid| c_entry_point_~p~1.base (_ bv0 1))))) is different from false [2021-11-09 09:10:15,204 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Shadow problem: [|v_old(#valid)_BEFORE_CALL_19|] [2021-11-09 09:10:15,204 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1604264032] [2021-11-09 09:10:15,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:10:15,205 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 09:10:15,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:10:15,211 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 09:10:15,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-09 09:10:15,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:10:15,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-09 09:10:15,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:10:15,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:10:15,759 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-09 09:10:22,106 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_25| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_entry_point_~p~1.base_15 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_25| (store |c_old(#valid)| v_entry_point_~p~1.base_15 (_ bv0 1)))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_entry_point_~p~1.base_15)))))))))) (= |v_old(#valid)_BEFORE_CALL_25| |c_#valid|))) is different from false [2021-11-09 09:10:24,356 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Shadow problem: [|v_old(#valid)_BEFORE_CALL_25|] [2021-11-09 09:10:24,357 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:10:24,357 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-11-09 09:10:24,357 ERROR L172 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2021-11-09 09:10:24,357 INFO L627 BasicCegarLoop]: Counterexample might be feasible [2021-11-09 09:10:24,364 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK [2021-11-09 09:10:24,366 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr0REQUIRES_VIOLATION [2021-11-09 09:10:24,366 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr1REQUIRES_VIOLATION [2021-11-09 09:10:24,366 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr0REQUIRES_VIOLATION [2021-11-09 09:10:24,366 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr1REQUIRES_VIOLATION [2021-11-09 09:10:24,367 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION [2021-11-09 09:10:24,367 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION [2021-11-09 09:10:24,367 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION [2021-11-09 09:10:24,367 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION [2021-11-09 09:10:24,367 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION [2021-11-09 09:10:24,367 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION [2021-11-09 09:10:24,368 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION [2021-11-09 09:10:24,368 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION [2021-11-09 09:10:24,368 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr0REQUIRES_VIOLATION [2021-11-09 09:10:24,368 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr1REQUIRES_VIOLATION [2021-11-09 09:10:24,369 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr2REQUIRES_VIOLATION [2021-11-09 09:10:24,369 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr3REQUIRES_VIOLATION [2021-11-09 09:10:24,369 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr4REQUIRES_VIOLATION [2021-11-09 09:10:24,369 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr5REQUIRES_VIOLATION [2021-11-09 09:10:24,369 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr6REQUIRES_VIOLATION [2021-11-09 09:10:24,369 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr7REQUIRES_VIOLATION [2021-11-09 09:10:24,370 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION [2021-11-09 09:10:24,370 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION [2021-11-09 09:10:24,370 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr0REQUIRES_VIOLATION [2021-11-09 09:10:24,370 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr1REQUIRES_VIOLATION [2021-11-09 09:10:24,371 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr2REQUIRES_VIOLATION [2021-11-09 09:10:24,371 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr3REQUIRES_VIOLATION [2021-11-09 09:10:24,371 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION [2021-11-09 09:10:24,371 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION [2021-11-09 09:10:24,371 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION [2021-11-09 09:10:24,372 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION [2021-11-09 09:10:24,372 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr0REQUIRES_VIOLATION [2021-11-09 09:10:24,372 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr1REQUIRES_VIOLATION [2021-11-09 09:10:24,372 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr0REQUIRES_VIOLATION [2021-11-09 09:10:24,373 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr1REQUIRES_VIOLATION [2021-11-09 09:10:24,373 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr2REQUIRES_VIOLATION [2021-11-09 09:10:24,373 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr3REQUIRES_VIOLATION [2021-11-09 09:10:24,373 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr4REQUIRES_VIOLATION [2021-11-09 09:10:24,373 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr5REQUIRES_VIOLATION [2021-11-09 09:10:24,374 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION [2021-11-09 09:10:24,374 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION [2021-11-09 09:10:24,374 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr0REQUIRES_VIOLATION [2021-11-09 09:10:24,374 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr1REQUIRES_VIOLATION [2021-11-09 09:10:24,375 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE [2021-11-09 09:10:24,375 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE [2021-11-09 09:10:24,375 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE [2021-11-09 09:10:24,375 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE [2021-11-09 09:10:24,376 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE [2021-11-09 09:10:24,376 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE [2021-11-09 09:10:24,376 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr0REQUIRES_VIOLATION [2021-11-09 09:10:24,376 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr1REQUIRES_VIOLATION [2021-11-09 09:10:24,377 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr2REQUIRES_VIOLATION [2021-11-09 09:10:24,377 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr3REQUIRES_VIOLATION [2021-11-09 09:10:24,377 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr4REQUIRES_VIOLATION [2021-11-09 09:10:24,377 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr5REQUIRES_VIOLATION [2021-11-09 09:10:24,377 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION [2021-11-09 09:10:24,378 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION [2021-11-09 09:10:24,378 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE [2021-11-09 09:10:24,378 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE [2021-11-09 09:10:24,378 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE [2021-11-09 09:10:24,379 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE [2021-11-09 09:10:24,379 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE [2021-11-09 09:10:24,379 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE [2021-11-09 09:10:24,379 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location g5Err0ASSERT_VIOLATIONMEMORY_FREE [2021-11-09 09:10:24,380 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location g5Err1ASSERT_VIOLATIONMEMORY_FREE [2021-11-09 09:10:24,380 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location g5Err2ASSERT_VIOLATIONMEMORY_FREE [2021-11-09 09:10:24,380 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr0REQUIRES_VIOLATION [2021-11-09 09:10:24,380 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr1REQUIRES_VIOLATION [2021-11-09 09:10:24,380 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr0REQUIRES_VIOLATION [2021-11-09 09:10:24,381 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr1REQUIRES_VIOLATION [2021-11-09 09:10:24,381 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr2REQUIRES_VIOLATION [2021-11-09 09:10:24,381 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr3REQUIRES_VIOLATION [2021-11-09 09:10:24,381 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr0REQUIRES_VIOLATION [2021-11-09 09:10:24,382 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr1REQUIRES_VIOLATION [2021-11-09 09:10:24,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2021-11-09 09:10:24,618 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-11-09 09:10:24,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-11-09 09:10:24,996 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/cvc4 --incremental --print-success --lang smt,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 [2021-11-09 09:10:25,000 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-11-09 09:10:25,003 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-09 09:10:25,008 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2021-11-09 09:10:25,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 09:10:25 BoogieIcfgContainer [2021-11-09 09:10:25,022 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-09 09:10:25,023 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-09 09:10:25,023 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-09 09:10:25,023 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-09 09:10:25,024 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:09:36" (3/4) ... [2021-11-09 09:10:25,027 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-09 09:10:25,028 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-09 09:10:25,029 INFO L168 Benchmark]: Toolchain (without parser) took 50815.74 ms. Allocated memory was 73.4 MB in the beginning and 113.2 MB in the end (delta: 39.8 MB). Free memory was 49.8 MB in the beginning and 77.3 MB in the end (delta: -27.4 MB). Peak memory consumption was 11.0 MB. Max. memory is 16.1 GB. [2021-11-09 09:10:25,029 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 50.3 MB. Free memory was 30.0 MB in the beginning and 29.9 MB in the end (delta: 40.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 09:10:25,030 INFO L168 Benchmark]: CACSL2BoogieTranslator took 840.73 ms. Allocated memory is still 73.4 MB. Free memory was 49.7 MB in the beginning and 38.3 MB in the end (delta: 11.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-09 09:10:25,030 INFO L168 Benchmark]: Boogie Preprocessor took 144.63 ms. Allocated memory is still 73.4 MB. Free memory was 38.3 MB in the beginning and 54.4 MB in the end (delta: -16.0 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. [2021-11-09 09:10:25,030 INFO L168 Benchmark]: RCFGBuilder took 1688.04 ms. Allocated memory was 73.4 MB in the beginning and 94.4 MB in the end (delta: 21.0 MB). Free memory was 54.4 MB in the beginning and 71.3 MB in the end (delta: -17.0 MB). Peak memory consumption was 29.5 MB. Max. memory is 16.1 GB. [2021-11-09 09:10:25,031 INFO L168 Benchmark]: TraceAbstraction took 48123.48 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 70.8 MB in the beginning and 77.7 MB in the end (delta: -6.9 MB). Peak memory consumption was 62.2 MB. Max. memory is 16.1 GB. [2021-11-09 09:10:25,032 INFO L168 Benchmark]: Witness Printer took 4.93 ms. Allocated memory is still 113.2 MB. Free memory was 77.7 MB in the beginning and 77.3 MB in the end (delta: 437.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 09:10:25,034 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 50.3 MB. Free memory was 30.0 MB in the beginning and 29.9 MB in the end (delta: 40.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 840.73 ms. Allocated memory is still 73.4 MB. Free memory was 49.7 MB in the beginning and 38.3 MB in the end (delta: 11.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 144.63 ms. Allocated memory is still 73.4 MB. Free memory was 38.3 MB in the beginning and 54.4 MB in the end (delta: -16.0 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1688.04 ms. Allocated memory was 73.4 MB in the beginning and 94.4 MB in the end (delta: 21.0 MB). Free memory was 54.4 MB in the beginning and 71.3 MB in the end (delta: -17.0 MB). Peak memory consumption was 29.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 48123.48 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 70.8 MB in the beginning and 77.7 MB in the end (delta: -6.9 MB). Peak memory consumption was 62.2 MB. Max. memory is 16.1 GB. * Witness Printer took 4.93 ms. Allocated memory is still 113.2 MB. Free memory was 77.7 MB in the beginning and 77.3 MB in the end (delta: 437.2 kB). There was no memory consumed. Max. memory is 16.1 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.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 770]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: unable to decide satisfiability of path constraint, 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) }; [L771] CALL entry_point() [L767] CALL, EXPR h5() [L758] CALL, EXPR ldv_malloc(sizeof(int)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L758] RET, EXPR ldv_malloc(sizeof(int)) [L758] int *p = (int *)ldv_malloc(sizeof(int)); [L759] return p; [L767] RET, EXPR h5() [L767] int *p = h5(); [L768] CALL g5(p) [L762] COND TRUE \read(*p) [L763] free(p) [L763] free(p) [L763] free(p) [L768] RET g5(p) [L771] RET entry_point() - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 763]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 763]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 763]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 49 procedures, 344 locations, 74 error locations. Started 1 CEGAR loops. OverallTime: 48.0s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 138 SDtfs, 77 SDslu, 640 SDs, 0 SdLazy, 441 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 219 GetRequests, 169 SyntacticMatches, 7 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred in iteration=0, InterpolantAutomatonStates: 48, 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, 5 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 14.0s InterpolantComputationTime, 136 NumberOfCodeBlocks, 136 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 234 ConstructedInterpolants, 3 QuantifiedInterpolants, 1091 SizeOfPredicates, 14 NumberOfNonLiveVariables, 498 ConjunctsInSsa, 79 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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 [2021-11-09 09:10:25,065 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da99b0f-3745-4a6f-9b1e-5d87e07c38ee/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN