./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07bc0da-b39b-4071-819b-be53c1bc3d02/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07bc0da-b39b-4071-819b-be53c1bc3d02/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07bc0da-b39b-4071-819b-be53c1bc3d02/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07bc0da-b39b-4071-819b-be53c1bc3d02/bin/uautomizer-j4sWxH34Be/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07bc0da-b39b-4071-819b-be53c1bc3d02/bin/uautomizer-j4sWxH34Be/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07bc0da-b39b-4071-819b-be53c1bc3d02/bin/uautomizer-j4sWxH34Be --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 b68a60a1004db041631656acc5775ad13321e46c020cb1a181ddf112036ec7ab ................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07bc0da-b39b-4071-819b-be53c1bc3d02/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07bc0da-b39b-4071-819b-be53c1bc3d02/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07bc0da-b39b-4071-819b-be53c1bc3d02/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07bc0da-b39b-4071-819b-be53c1bc3d02/bin/uautomizer-j4sWxH34Be/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07bc0da-b39b-4071-819b-be53c1bc3d02/bin/uautomizer-j4sWxH34Be/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07bc0da-b39b-4071-819b-be53c1bc3d02/bin/uautomizer-j4sWxH34Be --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 b68a60a1004db041631656acc5775ad13321e46c020cb1a181ddf112036ec7ab ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:52:05,651 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:52:05,653 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:52:05,696 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:52:05,698 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:52:05,700 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:52:05,704 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:52:05,710 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:52:05,714 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:52:05,716 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:52:05,717 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:52:05,719 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:52:05,721 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:52:05,726 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:52:05,728 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:52:05,731 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:52:05,734 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:52:05,742 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:52:05,744 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:52:05,751 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:52:05,754 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:52:05,756 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:52:05,757 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:52:05,758 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:52:05,762 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:52:05,763 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:52:05,763 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:52:05,764 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:52:05,765 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:52:05,766 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:52:05,767 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:52:05,768 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:52:05,769 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:52:05,770 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:52:05,771 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:52:05,772 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:52:05,773 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:52:05,773 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:52:05,774 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:52:05,775 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:52:05,776 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:52:05,777 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07bc0da-b39b-4071-819b-be53c1bc3d02/bin/uautomizer-j4sWxH34Be/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-10-21 19:52:05,805 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:52:05,805 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:52:05,806 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:52:05,806 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:52:05,807 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:52:05,807 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:52:05,808 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:52:05,808 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:52:05,808 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:52:05,808 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:52:05,809 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:52:05,809 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:52:05,809 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:52:05,809 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-21 19:52:05,809 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-21 19:52:05,810 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-21 19:52:05,810 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:52:05,810 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-21 19:52:05,810 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:52:05,810 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:52:05,811 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:52:05,811 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:52:05,811 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:52:05,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:52:05,812 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:52:05,812 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:52:05,812 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:52:05,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 19:52:05,812 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:52:05,813 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_a07bc0da-b39b-4071-819b-be53c1bc3d02/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07bc0da-b39b-4071-819b-be53c1bc3d02/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b68a60a1004db041631656acc5775ad13321e46c020cb1a181ddf112036ec7ab [2021-10-21 19:52:06,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:52:06,113 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:52:06,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:52:06,116 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:52:06,118 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:52:06,118 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07bc0da-b39b-4071-819b-be53c1bc3d02/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-2.i [2021-10-21 19:52:06,208 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07bc0da-b39b-4071-819b-be53c1bc3d02/bin/uautomizer-j4sWxH34Be/data/09b7ce173/ecce7c63e2b1426299e6362377066af3/FLAG253412d72 [2021-10-21 19:52:06,853 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:52:06,853 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07bc0da-b39b-4071-819b-be53c1bc3d02/sv-benchmarks/c/ldv-memsafety/memleaks_test3-2.i [2021-10-21 19:52:06,894 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07bc0da-b39b-4071-819b-be53c1bc3d02/bin/uautomizer-j4sWxH34Be/data/09b7ce173/ecce7c63e2b1426299e6362377066af3/FLAG253412d72 [2021-10-21 19:52:07,135 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07bc0da-b39b-4071-819b-be53c1bc3d02/bin/uautomizer-j4sWxH34Be/data/09b7ce173/ecce7c63e2b1426299e6362377066af3 [2021-10-21 19:52:07,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:52:07,142 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-21 19:52:07,156 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:52:07,156 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:52:07,159 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:52:07,159 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:52:07" (1/1) ... [2021-10-21 19:52:07,160 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@703e020d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:52:07, skipping insertion in model container [2021-10-21 19:52:07,161 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:52:07" (1/1) ... [2021-10-21 19:52:07,168 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:52:07,218 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:52:07,760 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:52:07,786 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) [2021-10-21 19:52:07,787 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@520ff02b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:52:07, skipping insertion in model container [2021-10-21 19:52:07,787 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:52:07,787 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-21 19:52:07,791 INFO L168 Benchmark]: Toolchain (without parser) took 646.46 ms. Allocated memory is still 132.1 MB. Free memory was 94.6 MB in the beginning and 102.2 MB in the end (delta: -7.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:52:07,791 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 81.8 MB. Free memory is still 37.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:52:07,793 INFO L168 Benchmark]: CACSL2BoogieTranslator took 631.05 ms. Allocated memory is still 132.1 MB. Free memory was 94.4 MB in the beginning and 102.2 MB in the end (delta: -7.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:52:07,796 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 81.8 MB. Free memory is still 37.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 631.05 ms. Allocated memory is still 132.1 MB. Free memory was 94.4 MB in the beginning and 102.2 MB in the end (delta: -7.8 MB). Peak memory consumption was 10.5 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... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:52:10,044 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:52:10,048 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:52:10,099 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:52:10,099 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:52:10,103 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:52:10,105 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:52:10,111 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:52:10,114 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:52:10,120 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:52:10,121 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:52:10,123 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:52:10,123 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:52:10,125 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:52:10,128 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:52:10,131 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:52:10,133 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:52:10,134 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:52:10,136 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:52:10,142 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:52:10,144 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:52:10,146 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:52:10,149 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:52:10,151 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:52:10,159 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:52:10,160 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:52:10,160 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:52:10,161 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:52:10,162 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:52:10,163 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:52:10,163 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:52:10,164 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:52:10,165 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:52:10,175 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:52:10,176 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:52:10,176 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:52:10,177 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:52:10,177 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:52:10,178 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:52:10,180 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:52:10,180 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:52:10,181 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07bc0da-b39b-4071-819b-be53c1bc3d02/bin/uautomizer-j4sWxH34Be/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-10-21 19:52:10,226 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:52:10,227 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:52:10,227 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:52:10,228 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:52:10,229 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:52:10,230 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:52:10,230 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:52:10,231 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:52:10,231 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:52:10,231 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:52:10,232 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:52:10,232 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:52:10,233 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:52:10,233 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-21 19:52:10,233 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-21 19:52:10,233 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-21 19:52:10,234 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:52:10,234 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-21 19:52:10,234 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-21 19:52:10,234 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-21 19:52:10,234 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:52:10,235 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:52:10,235 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:52:10,235 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:52:10,235 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:52:10,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:52:10,236 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:52:10,236 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:52:10,236 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-21 19:52:10,237 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-21 19:52:10,237 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:52:10,237 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-21 19:52:10,237 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_a07bc0da-b39b-4071-819b-be53c1bc3d02/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07bc0da-b39b-4071-819b-be53c1bc3d02/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b68a60a1004db041631656acc5775ad13321e46c020cb1a181ddf112036ec7ab [2021-10-21 19:52:10,635 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:52:10,656 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:52:10,658 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:52:10,659 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:52:10,660 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:52:10,661 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07bc0da-b39b-4071-819b-be53c1bc3d02/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-2.i [2021-10-21 19:52:10,729 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07bc0da-b39b-4071-819b-be53c1bc3d02/bin/uautomizer-j4sWxH34Be/data/476a53245/eab3e87ec83748a787a42d610c1cab29/FLAG33921e5bb [2021-10-21 19:52:11,268 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:52:11,269 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07bc0da-b39b-4071-819b-be53c1bc3d02/sv-benchmarks/c/ldv-memsafety/memleaks_test3-2.i [2021-10-21 19:52:11,290 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07bc0da-b39b-4071-819b-be53c1bc3d02/bin/uautomizer-j4sWxH34Be/data/476a53245/eab3e87ec83748a787a42d610c1cab29/FLAG33921e5bb [2021-10-21 19:52:11,578 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07bc0da-b39b-4071-819b-be53c1bc3d02/bin/uautomizer-j4sWxH34Be/data/476a53245/eab3e87ec83748a787a42d610c1cab29 [2021-10-21 19:52:11,580 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:52:11,581 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-21 19:52:11,583 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:52:11,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:52:11,586 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:52:11,587 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:52:11" (1/1) ... [2021-10-21 19:52:11,588 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b221bbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:52:11, skipping insertion in model container [2021-10-21 19:52:11,588 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:52:11" (1/1) ... [2021-10-21 19:52:11,595 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:52:11,637 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:52:12,085 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:52:12,102 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-21 19:52:12,112 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:52:12,159 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:52:12,167 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:52:12,218 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:52:12,291 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:52:12,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:52:12 WrapperNode [2021-10-21 19:52:12,292 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:52:12,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:52:12,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:52:12,294 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:52:12,302 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:52:12" (1/1) ... [2021-10-21 19:52:12,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:52:12" (1/1) ... [2021-10-21 19:52:12,326 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:52:12" (1/1) ... [2021-10-21 19:52:12,327 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:52:12" (1/1) ... [2021-10-21 19:52:12,361 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:52:12" (1/1) ... [2021-10-21 19:52:12,367 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:52:12" (1/1) ... [2021-10-21 19:52:12,373 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:52:12" (1/1) ... [2021-10-21 19:52:12,385 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:52:12,386 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:52:12,386 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:52:12,386 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:52:12,387 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:52:12" (1/1) ... [2021-10-21 19:52:12,398 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:52:12,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07bc0da-b39b-4071-819b-be53c1bc3d02/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:52:12,420 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07bc0da-b39b-4071-819b-be53c1bc3d02/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:52:12,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07bc0da-b39b-4071-819b-be53c1bc3d02/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:52:12,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-10-21 19:52:12,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:52:12,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-10-21 19:52:12,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-10-21 19:52:12,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-10-21 19:52:12,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-10-21 19:52:12,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-10-21 19:52:12,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-10-21 19:52:12,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-10-21 19:52:12,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-10-21 19:52:12,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-10-21 19:52:12,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-10-21 19:52:12,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-10-21 19:52:12,467 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-10-21 19:52:12,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-10-21 19:52:12,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-10-21 19:52:12,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-10-21 19:52:12,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-10-21 19:52:12,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-10-21 19:52:12,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-10-21 19:52:12,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-10-21 19:52:12,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-10-21 19:52:12,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-10-21 19:52:12,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-10-21 19:52:12,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-10-21 19:52:12,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-10-21 19:52:12,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-10-21 19:52:12,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-10-21 19:52:12,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-10-21 19:52:12,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-10-21 19:52:12,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-10-21 19:52:12,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-10-21 19:52:12,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-10-21 19:52:12,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-10-21 19:52:12,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-10-21 19:52:12,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-10-21 19:52:12,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-10-21 19:52:12,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-10-21 19:52:12,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-10-21 19:52:12,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-10-21 19:52:12,471 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-10-21 19:52:12,471 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-10-21 19:52:12,471 INFO L138 BoogieDeclarations]: Found implementation of procedure h_safe [2021-10-21 19:52:12,471 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-10-21 19:52:12,471 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-10-21 19:52:12,472 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-10-21 19:52:12,472 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-10-21 19:52:12,472 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-10-21 19:52:12,472 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-10-21 19:52:12,472 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-10-21 19:52:12,472 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-10-21 19:52:12,472 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-10-21 19:52:12,472 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-10-21 19:52:12,473 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-10-21 19:52:12,473 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-10-21 19:52:12,473 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-10-21 19:52:12,473 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-10-21 19:52:12,473 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-10-21 19:52:12,473 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-10-21 19:52:12,474 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-10-21 19:52:12,474 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-10-21 19:52:12,474 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-10-21 19:52:12,476 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-10-21 19:52:12,476 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-10-21 19:52:12,476 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-10-21 19:52:12,477 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-10-21 19:52:12,477 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-10-21 19:52:12,477 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-10-21 19:52:12,477 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-10-21 19:52:12,477 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-10-21 19:52:12,478 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-10-21 19:52:12,478 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-10-21 19:52:12,478 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-10-21 19:52:12,478 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-10-21 19:52:12,478 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-10-21 19:52:12,478 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-10-21 19:52:12,478 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-10-21 19:52:12,478 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-10-21 19:52:12,479 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-10-21 19:52:12,479 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-10-21 19:52:12,480 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-10-21 19:52:12,480 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-10-21 19:52:12,480 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-10-21 19:52:12,480 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-10-21 19:52:12,480 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-10-21 19:52:12,480 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-10-21 19:52:12,480 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-10-21 19:52:12,480 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-10-21 19:52:12,481 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-10-21 19:52:12,481 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-10-21 19:52:12,481 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-10-21 19:52:12,481 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-10-21 19:52:12,481 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-10-21 19:52:12,481 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-10-21 19:52:12,481 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-10-21 19:52:12,481 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-10-21 19:52:12,482 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-10-21 19:52:12,482 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-10-21 19:52:12,482 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-10-21 19:52:12,482 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-10-21 19:52:12,482 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-10-21 19:52:12,483 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-10-21 19:52:12,483 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-10-21 19:52:12,483 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-10-21 19:52:12,483 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-10-21 19:52:12,483 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-10-21 19:52:12,483 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-10-21 19:52:12,483 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-10-21 19:52:12,483 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-10-21 19:52:12,483 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-10-21 19:52:12,484 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-10-21 19:52:12,484 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-10-21 19:52:12,484 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-10-21 19:52:12,484 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-10-21 19:52:12,484 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-10-21 19:52:12,484 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-10-21 19:52:12,484 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-10-21 19:52:12,484 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-10-21 19:52:12,485 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-10-21 19:52:12,485 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-10-21 19:52:12,485 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-10-21 19:52:12,485 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-10-21 19:52:12,486 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-10-21 19:52:12,487 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-10-21 19:52:12,489 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-10-21 19:52:12,489 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-10-21 19:52:12,490 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-10-21 19:52:12,490 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-10-21 19:52:12,490 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-10-21 19:52:12,491 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-10-21 19:52:12,492 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-10-21 19:52:12,492 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-10-21 19:52:12,492 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-10-21 19:52:12,497 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-10-21 19:52:12,497 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-10-21 19:52:12,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-10-21 19:52:12,498 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-10-21 19:52:12,498 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-10-21 19:52:12,498 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-10-21 19:52:12,498 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-10-21 19:52:12,498 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-10-21 19:52:12,498 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-10-21 19:52:12,498 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-10-21 19:52:12,498 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-10-21 19:52:12,498 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-10-21 19:52:12,499 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-10-21 19:52:12,499 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-10-21 19:52:12,499 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-10-21 19:52:12,499 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-10-21 19:52:12,499 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-10-21 19:52:12,499 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-10-21 19:52:12,499 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-10-21 19:52:12,499 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-10-21 19:52:12,499 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-10-21 19:52:12,500 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-10-21 19:52:12,500 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-10-21 19:52:12,500 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-10-21 19:52:12,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-10-21 19:52:12,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-10-21 19:52:12,500 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-10-21 19:52:12,500 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-10-21 19:52:12,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-10-21 19:52:12,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-21 19:52:12,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-10-21 19:52:12,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-10-21 19:52:12,501 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-10-21 19:52:12,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-21 19:52:12,501 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-10-21 19:52:12,501 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-10-21 19:52:12,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-10-21 19:52:12,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-21 19:52:12,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-10-21 19:52:12,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-10-21 19:52:12,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-10-21 19:52:12,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-10-21 19:52:12,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-10-21 19:52:12,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-10-21 19:52:12,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 19:52:12,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-10-21 19:52:12,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-10-21 19:52:12,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-10-21 19:52:12,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-10-21 19:52:12,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-10-21 19:52:12,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-21 19:52:12,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-21 19:52:12,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-10-21 19:52:12,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-10-21 19:52:12,505 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-10-21 19:52:12,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-10-21 19:52:12,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-10-21 19:52:12,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-10-21 19:52:12,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-10-21 19:52:12,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-10-21 19:52:12,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-10-21 19:52:12,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-10-21 19:52:12,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-10-21 19:52:12,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-10-21 19:52:12,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-10-21 19:52:12,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-10-21 19:52:12,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-10-21 19:52:12,519 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-10-21 19:52:12,519 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-10-21 19:52:12,519 INFO L130 BoogieDeclarations]: Found specification of procedure h_safe [2021-10-21 19:52:12,519 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-10-21 19:52:12,519 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-10-21 19:52:12,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-10-21 19:52:12,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:52:12,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-21 19:52:12,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:52:12,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-10-21 19:52:12,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-10-21 19:52:12,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-10-21 19:52:12,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-21 19:52:12,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-21 19:52:13,067 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-21 19:52:13,486 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-21 19:52:13,783 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:52:13,783 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-10-21 19:52:13,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:52:13 BoogieIcfgContainer [2021-10-21 19:52:13,786 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:52:13,788 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:52:13,788 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:52:13,791 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:52:13,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:52:11" (1/3) ... [2021-10-21 19:52:13,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c6a81ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:52:13, skipping insertion in model container [2021-10-21 19:52:13,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:52:12" (2/3) ... [2021-10-21 19:52:13,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c6a81ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:52:13, skipping insertion in model container [2021-10-21 19:52:13,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:52:13" (3/3) ... [2021-10-21 19:52:13,794 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test3-2.i [2021-10-21 19:52:13,799 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:52:13,800 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 74 error locations. [2021-10-21 19:52:13,844 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:52:13,850 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 [2021-10-21 19:52:13,850 INFO L340 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2021-10-21 19:52:13,866 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 55 states have (on average 1.509090909090909) internal successors, (83), 76 states have internal predecessors, (83), 12 states have call successors, (12), 11 states have call predecessors, (12), 11 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-10-21 19:52:13,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-21 19:52:13,874 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:52:13,875 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:52:13,876 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-21 19:52:13,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:52:13,881 INFO L82 PathProgramCache]: Analyzing trace with hash -1115971593, now seen corresponding path program 1 times [2021-10-21 19:52:13,894 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:52:13,894 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [201242350] [2021-10-21 19:52:13,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:52:13,896 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:52:13,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07bc0da-b39b-4071-819b-be53c1bc3d02/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:52:13,905 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07bc0da-b39b-4071-819b-be53c1bc3d02/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:52:13,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07bc0da-b39b-4071-819b-be53c1bc3d02/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-21 19:52:14,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:52:14,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-21 19:52:14,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:52:14,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:52:14,315 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:52:14,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:52:14,450 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:52:14,450 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [201242350] [2021-10-21 19:52:14,450 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [201242350] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:52:14,451 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:52:14,451 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2021-10-21 19:52:14,453 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54232688] [2021-10-21 19:52:14,459 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-21 19:52:14,461 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:52:14,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 19:52:14,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:52:14,483 INFO L87 Difference]: Start difference. First operand has 100 states, 55 states have (on average 1.509090909090909) internal successors, (83), 76 states have internal predecessors, (83), 12 states have call successors, (12), 11 states have call predecessors, (12), 11 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-21 19:52:14,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:52:14,541 INFO L93 Difference]: Finished difference Result 29 states and 30 transitions. [2021-10-21 19:52:14,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 19:52:14,544 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 18 [2021-10-21 19:52:14,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:52:14,552 INFO L225 Difference]: With dead ends: 29 [2021-10-21 19:52:14,552 INFO L226 Difference]: Without dead ends: 26 [2021-10-21 19:52:14,554 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 30.7ms TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:52:14,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-10-21 19:52:14,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-10-21 19:52:14,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 16 states have internal predecessors, (18), 5 states have call successors, (5), 5 states have call predecessors, (5), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-10-21 19:52:14,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2021-10-21 19:52:14,583 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 18 [2021-10-21 19:52:14,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:52:14,583 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2021-10-21 19:52:14,583 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-21 19:52:14,583 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2021-10-21 19:52:14,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-21 19:52:14,584 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:52:14,584 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:52:14,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07bc0da-b39b-4071-819b-be53c1bc3d02/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:52:14,789 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07bc0da-b39b-4071-819b-be53c1bc3d02/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:52:14,790 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-21 19:52:14,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:52:14,790 INFO L82 PathProgramCache]: Analyzing trace with hash -235380623, now seen corresponding path program 1 times [2021-10-21 19:52:14,791 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:52:14,791 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [8329827] [2021-10-21 19:52:14,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:52:14,791 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:52:14,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07bc0da-b39b-4071-819b-be53c1bc3d02/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:52:14,792 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07bc0da-b39b-4071-819b-be53c1bc3d02/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:52:14,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07bc0da-b39b-4071-819b-be53c1bc3d02/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-21 19:52:14,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:52:14,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-21 19:52:14,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:52:15,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:52:15,239 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:52:15,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:52:15,496 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:52:15,497 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [8329827] [2021-10-21 19:52:15,497 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [8329827] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:52:15,497 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:52:15,497 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 12 [2021-10-21 19:52:15,497 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759181982] [2021-10-21 19:52:15,499 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-21 19:52:15,499 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:52:15,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-21 19:52:15,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-10-21 19:52:15,500 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 9 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 6 states have return successors, (6), 6 states have call predecessors, (6), 2 states have call successors, (6) [2021-10-21 19:52:15,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:52:15,713 INFO L93 Difference]: Finished difference Result 37 states and 39 transitions. [2021-10-21 19:52:15,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-21 19:52:15,714 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 9 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 6 states have return successors, (6), 6 states have call predecessors, (6), 2 states have call successors, (6) Word has length 19 [2021-10-21 19:52:15,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:52:15,716 INFO L225 Difference]: With dead ends: 37 [2021-10-21 19:52:15,716 INFO L226 Difference]: Without dead ends: 37 [2021-10-21 19:52:15,717 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 169.8ms TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-10-21 19:52:15,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2021-10-21 19:52:15,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 32. [2021-10-21 19:52:15,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 5 states have call successors, (5), 5 states have call predecessors, (5), 6 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2021-10-21 19:52:15,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2021-10-21 19:52:15,724 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 19 [2021-10-21 19:52:15,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:52:15,724 INFO L470 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions. [2021-10-21 19:52:15,724 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 9 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 6 states have return successors, (6), 6 states have call predecessors, (6), 2 states have call successors, (6) [2021-10-21 19:52:15,724 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2021-10-21 19:52:15,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-21 19:52:15,725 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:52:15,725 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:52:15,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07bc0da-b39b-4071-819b-be53c1bc3d02/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-21 19:52:15,926 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07bc0da-b39b-4071-819b-be53c1bc3d02/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:52:15,926 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-21 19:52:15,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:52:15,927 INFO L82 PathProgramCache]: Analyzing trace with hash 1293135673, now seen corresponding path program 1 times [2021-10-21 19:52:15,927 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:52:15,927 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1957265971] [2021-10-21 19:52:15,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:52:15,927 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:52:15,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07bc0da-b39b-4071-819b-be53c1bc3d02/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:52:15,932 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07bc0da-b39b-4071-819b-be53c1bc3d02/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:52:15,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07bc0da-b39b-4071-819b-be53c1bc3d02/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-21 19:52:16,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:52:16,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-21 19:52:16,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:52:16,176 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 [2021-10-21 19:52:16,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:52:16,265 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:52:16,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:52:16,430 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:52:16,431 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1957265971] [2021-10-21 19:52:16,431 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1957265971] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:52:16,431 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:52:16,431 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2021-10-21 19:52:16,431 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346231278] [2021-10-21 19:52:16,432 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-21 19:52:16,432 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:52:16,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 19:52:16,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:52:16,436 INFO L87 Difference]: Start difference. First operand 32 states and 33 transitions. Second operand has 7 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-21 19:52:16,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:52:16,505 INFO L93 Difference]: Finished difference Result 35 states and 36 transitions. [2021-10-21 19:52:16,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 19:52:16,505 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 20 [2021-10-21 19:52:16,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:52:16,506 INFO L225 Difference]: With dead ends: 35 [2021-10-21 19:52:16,506 INFO L226 Difference]: Without dead ends: 35 [2021-10-21 19:52:16,507 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 5 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 70.1ms TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:52:16,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-10-21 19:52:16,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-10-21 19:52:16,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 5 states have call successors, (5), 5 states have call predecessors, (5), 6 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2021-10-21 19:52:16,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 36 transitions. [2021-10-21 19:52:16,512 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 36 transitions. Word has length 20 [2021-10-21 19:52:16,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:52:16,512 INFO L470 AbstractCegarLoop]: Abstraction has 35 states and 36 transitions. [2021-10-21 19:52:16,513 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-21 19:52:16,513 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2021-10-21 19:52:16,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-21 19:52:16,514 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:52:16,514 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:52:16,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07bc0da-b39b-4071-819b-be53c1bc3d02/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-21 19:52:16,714 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07bc0da-b39b-4071-819b-be53c1bc3d02/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:52:16,715 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-21 19:52:16,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:52:16,715 INFO L82 PathProgramCache]: Analyzing trace with hash -503815686, now seen corresponding path program 1 times [2021-10-21 19:52:16,716 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:52:16,716 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [157272480] [2021-10-21 19:52:16,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:52:16,716 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:52:16,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07bc0da-b39b-4071-819b-be53c1bc3d02/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:52:16,718 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07bc0da-b39b-4071-819b-be53c1bc3d02/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:52:16,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07bc0da-b39b-4071-819b-be53c1bc3d02/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-21 19:52:16,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:52:16,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-21 19:52:16,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:52:17,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:52:17,056 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:52:17,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:52:17,239 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:52:17,240 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [157272480] [2021-10-21 19:52:17,240 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [157272480] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:52:17,240 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:52:17,240 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2021-10-21 19:52:17,240 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455316875] [2021-10-21 19:52:17,241 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-21 19:52:17,241 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:52:17,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 19:52:17,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:52:17,242 INFO L87 Difference]: Start difference. First operand 35 states and 36 transitions. Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-21 19:52:17,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:52:17,278 INFO L93 Difference]: Finished difference Result 33 states and 33 transitions. [2021-10-21 19:52:17,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 19:52:17,278 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 20 [2021-10-21 19:52:17,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:52:17,279 INFO L225 Difference]: With dead ends: 33 [2021-10-21 19:52:17,279 INFO L226 Difference]: Without dead ends: 33 [2021-10-21 19:52:17,279 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 44.2ms TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:52:17,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-21 19:52:17,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 31. [2021-10-21 19:52:17,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 19 states have (on average 1.0526315789473684) internal successors, (20), 19 states have internal predecessors, (20), 5 states have call successors, (5), 5 states have call predecessors, (5), 6 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2021-10-21 19:52:17,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2021-10-21 19:52:17,284 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 31 transitions. Word has length 20 [2021-10-21 19:52:17,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:52:17,284 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 31 transitions. [2021-10-21 19:52:17,285 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-21 19:52:17,285 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2021-10-21 19:52:17,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-21 19:52:17,286 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:52:17,286 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:52:17,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07bc0da-b39b-4071-819b-be53c1bc3d02/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-21 19:52:17,486 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07bc0da-b39b-4071-819b-be53c1bc3d02/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:52:17,486 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)] === [2021-10-21 19:52:17,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:52:17,487 INFO L82 PathProgramCache]: Analyzing trace with hash -503568140, now seen corresponding path program 1 times [2021-10-21 19:52:17,487 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:52:17,487 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [912158668] [2021-10-21 19:52:17,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:52:17,488 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:52:17,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07bc0da-b39b-4071-819b-be53c1bc3d02/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:52:17,489 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07bc0da-b39b-4071-819b-be53c1bc3d02/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:52:17,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07bc0da-b39b-4071-819b-be53c1bc3d02/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-21 19:52:17,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:52:17,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-21 19:52:17,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:52:17,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:52:17,743 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:52:17,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:52:17,879 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:52:17,879 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [912158668] [2021-10-21 19:52:17,879 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [912158668] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:52:17,879 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:52:17,879 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-21 19:52:17,879 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411252800] [2021-10-21 19:52:17,880 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:52:17,880 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:52:17,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:52:17,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:52:17,881 INFO L87 Difference]: Start difference. First operand 31 states and 31 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-10-21 19:52:17,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:52:17,907 INFO L93 Difference]: Finished difference Result 34 states and 33 transitions. [2021-10-21 19:52:17,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:52:17,908 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 20 [2021-10-21 19:52:17,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:52:17,910 INFO L225 Difference]: With dead ends: 34 [2021-10-21 19:52:17,910 INFO L226 Difference]: Without dead ends: 24 [2021-10-21 19:52:17,911 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:52:17,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2021-10-21 19:52:17,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2021-10-21 19:52:17,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 14 states have (on average 1.0) internal successors, (14), 14 states have internal predecessors, (14), 5 states have call successors, (5), 5 states have call predecessors, (5), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-10-21 19:52:17,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 23 transitions. [2021-10-21 19:52:17,919 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 23 transitions. Word has length 20 [2021-10-21 19:52:17,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:52:17,919 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 23 transitions. [2021-10-21 19:52:17,919 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-10-21 19:52:17,919 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 23 transitions. [2021-10-21 19:52:17,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-21 19:52:17,921 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:52:17,921 INFO L512 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] [2021-10-21 19:52:17,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07bc0da-b39b-4071-819b-be53c1bc3d02/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-21 19:52:18,135 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07bc0da-b39b-4071-819b-be53c1bc3d02/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:52:18,135 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)] === [2021-10-21 19:52:18,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:52:18,135 INFO L82 PathProgramCache]: Analyzing trace with hash -2051414223, now seen corresponding path program 1 times [2021-10-21 19:52:18,135 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:52:18,136 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [203575621] [2021-10-21 19:52:18,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:52:18,136 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:52:18,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07bc0da-b39b-4071-819b-be53c1bc3d02/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:52:18,136 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07bc0da-b39b-4071-819b-be53c1bc3d02/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:52:18,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07bc0da-b39b-4071-819b-be53c1bc3d02/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-21 19:52:18,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:52:18,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-21 19:52:18,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:52:18,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:52:18,587 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:52:22,854 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_10| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_10| |c_#valid|) (exists ((v_entry_point_~p~0.base_18 (_ BitVec 32))) (and (not (= (store |c_old(#valid)| v_entry_point_~p~0.base_18 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_10|)) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_entry_point_~p~0.base_18)))))))))))))))) is different from false [2021-10-21 19:52:23,456 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_10| (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret39.base_36| (_ BitVec 32))) (or (= (store |c_#valid| |v_entry_point_#t~ret39.base_36| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_10|) (exists ((v_entry_point_~p~0.base_18 (_ BitVec 32))) (and (not (= (store |c_old(#valid)| v_entry_point_~p~0.base_18 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_10|)) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_entry_point_~p~0.base_18)))))))))))))) (not (= (_ bv0 1) (bvneg (select |c_#valid| |v_entry_point_#t~ret39.base_36|)))))) is different from false [2021-10-21 19:52:23,705 INFO L354 Elim1Store]: treesize reduction 16, result has 78.1 percent of original size [2021-10-21 19:52:23,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 89 treesize of output 136 [2021-10-21 19:52:24,259 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-21 19:52:24,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 47 [2021-10-21 19:52:24,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-10-21 19:52:25,119 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-21 19:52:25,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 69 treesize of output 109 [2021-10-21 19:52:27,746 WARN L860 $PredicateComparison]: unable to prove that (or (forall ((v_antiDerIndex_entry0_4 (_ BitVec 32))) (= (_ bv0 1) (select (store |c_#valid| |c_h_safe_#res.base| (_ bv0 1)) v_antiDerIndex_entry0_4))) (exists ((|v_entry_point_#t~ret39.base_36| (_ BitVec 32))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| |v_entry_point_#t~ret39.base_36|)))))))))) is different from true [2021-10-21 19:52:29,774 WARN L860 $PredicateComparison]: unable to prove that (or (forall ((v_antiDerIndex_entry0_4 (_ BitVec 32))) (= (_ bv0 1) (bvneg (select (store |c_#valid| |c_h_safe_#t~ret38.base| (_ bv0 1)) v_antiDerIndex_entry0_4)))) (exists ((|v_entry_point_#t~ret39.base_36| (_ BitVec 32))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| |v_entry_point_#t~ret39.base_36|)))))))))) is different from true [2021-10-21 19:52:31,829 WARN L860 $PredicateComparison]: unable to prove that (or (forall ((v_antiDerIndex_entry0_4 (_ BitVec 32)) (|v_h_safe_#t~ret38.base_66| (_ BitVec 32))) (or (not (= (_ bv0 1) (bvneg (select |c_#valid| |v_h_safe_#t~ret38.base_66|)))) (= (_ bv0 1) (bvneg (bvneg (select (store |c_#valid| |v_h_safe_#t~ret38.base_66| (_ bv0 1)) v_antiDerIndex_entry0_4)))))) (exists ((|v_entry_point_#t~ret39.base_36| (_ BitVec 32))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| |v_entry_point_#t~ret39.base_36|)))))))))) is different from true [2021-10-21 19:52:33,870 WARN L860 $PredicateComparison]: unable to prove that (or (forall ((v_antiDerIndex_entry0_4 (_ BitVec 32))) (= (_ bv0 1) (bvneg (bvneg (select (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) v_antiDerIndex_entry0_4))))) (exists ((v_antiDerIndex_entry0_4 (_ BitVec 32)) (|v_h_safe_#t~ret38.base_66| (_ BitVec 32))) (and (not (= (_ bv0 1) (bvneg (bvneg (select (store |c_old(#valid)| |v_h_safe_#t~ret38.base_66| (_ bv0 1)) v_antiDerIndex_entry0_4))))) (= (_ bv0 1) (bvneg (bvneg (select |c_old(#valid)| |v_h_safe_#t~ret38.base_66|)))))) (forall ((|v_old(#valid)_BEFORE_CALL_12| (Array (_ BitVec 32) (_ BitVec 1)))) (exists ((|v_entry_point_#t~ret39.base_36| (_ BitVec 32))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |v_old(#valid)_BEFORE_CALL_12| |v_entry_point_#t~ret39.base_36|))))))))))) is different from true [2021-10-21 19:52:35,965 WARN L860 $PredicateComparison]: unable to prove that (or (exists ((v_antiDerIndex_entry0_4 (_ BitVec 32)) (|v_h_safe_#t~ret38.base_66| (_ BitVec 32))) (and (not (= (_ bv0 1) (bvneg (bvneg (select (store |c_old(#valid)| |v_h_safe_#t~ret38.base_66| (_ bv0 1)) v_antiDerIndex_entry0_4))))) (= (_ bv0 1) (bvneg (bvneg (select |c_old(#valid)| |v_h_safe_#t~ret38.base_66|)))))) (forall ((|v_old(#valid)_BEFORE_CALL_12| (Array (_ BitVec 32) (_ BitVec 1)))) (exists ((|v_entry_point_#t~ret39.base_36| (_ BitVec 32))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |v_old(#valid)_BEFORE_CALL_12| |v_entry_point_#t~ret39.base_36|)))))))))) (forall ((|v_ldv_malloc_#res.base_55| (_ BitVec 32)) (v_antiDerIndex_entry0_4 (_ BitVec 32))) (or (not (= (_ bv0 1) (bvneg (select |c_#valid| |v_ldv_malloc_#res.base_55|)))) (= (_ bv0 1) (bvneg (bvneg (select (store |c_#valid| |v_ldv_malloc_#res.base_55| (_ bv0 1)) v_antiDerIndex_entry0_4))))))) is different from true [2021-10-21 19:52:36,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:52:36,021 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:52:36,021 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [203575621] [2021-10-21 19:52:36,021 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [203575621] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:52:36,021 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:52:36,021 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 12] imperfect sequences [] total 18 [2021-10-21 19:52:36,022 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23422703] [2021-10-21 19:52:36,022 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-10-21 19:52:36,022 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:52:36,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-10-21 19:52:36,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=94, Unknown=26, NotChecked=182, Total=342 [2021-10-21 19:52:36,023 INFO L87 Difference]: Start difference. First operand 24 states and 23 transitions. Second operand has 19 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 12 states have internal predecessors, (26), 5 states have call successors, (9), 6 states have call predecessors, (9), 7 states have return successors, (7), 7 states have call predecessors, (7), 5 states have call successors, (7) [2021-10-21 19:52:43,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:52:43,713 INFO L93 Difference]: Finished difference Result 23 states and 22 transitions. [2021-10-21 19:52:43,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-21 19:52:43,714 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 12 states have internal predecessors, (26), 5 states have call successors, (9), 6 states have call predecessors, (9), 7 states have return successors, (7), 7 states have call predecessors, (7), 5 states have call successors, (7) Word has length 23 [2021-10-21 19:52:43,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:52:43,715 INFO L225 Difference]: With dead ends: 23 [2021-10-21 19:52:43,715 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 19:52:43,715 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 28 SyntacticMatches, 5 SemanticMatches, 19 ConstructedPredicates, 7 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 17371.8ms TimeCoverageRelationStatistics Valid=49, Invalid=124, Unknown=37, NotChecked=210, Total=420 [2021-10-21 19:52:43,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 19:52:43,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 19:52:43,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:52:43,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 19:52:43,716 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2021-10-21 19:52:43,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:52:43,716 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:52:43,716 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 12 states have internal predecessors, (26), 5 states have call successors, (9), 6 states have call predecessors, (9), 7 states have return successors, (7), 7 states have call predecessors, (7), 5 states have call successors, (7) [2021-10-21 19:52:43,716 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:52:43,716 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 19:52:43,719 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_allocErr0REQUIRES_VIOLATION [2021-10-21 19:52:43,719 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_allocErr1REQUIRES_VIOLATION [2021-10-21 19:52:43,720 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kref_initErr0REQUIRES_VIOLATION [2021-10-21 19:52:43,720 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kref_initErr1REQUIRES_VIOLATION [2021-10-21 19:52:43,721 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION [2021-10-21 19:52:43,721 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION [2021-10-21 19:52:43,721 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION [2021-10-21 19:52:43,721 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION [2021-10-21 19:52:43,721 INFO L764 garLoopResultBuilder]: Registering result SAFE for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION [2021-10-21 19:52:43,721 INFO L764 garLoopResultBuilder]: Registering result SAFE for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION [2021-10-21 19:52:43,721 INFO L764 garLoopResultBuilder]: Registering result SAFE for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION [2021-10-21 19:52:43,721 INFO L764 garLoopResultBuilder]: Registering result SAFE for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION [2021-10-21 19:52:43,722 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr0REQUIRES_VIOLATION [2021-10-21 19:52:43,722 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr1REQUIRES_VIOLATION [2021-10-21 19:52:43,722 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr2REQUIRES_VIOLATION [2021-10-21 19:52:43,722 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr3REQUIRES_VIOLATION [2021-10-21 19:52:43,722 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr4REQUIRES_VIOLATION [2021-10-21 19:52:43,722 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr5REQUIRES_VIOLATION [2021-10-21 19:52:43,722 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr6REQUIRES_VIOLATION [2021-10-21 19:52:43,723 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr7REQUIRES_VIOLATION [2021-10-21 19:52:43,723 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION [2021-10-21 19:52:43,723 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION [2021-10-21 19:52:43,723 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_delErr0REQUIRES_VIOLATION [2021-10-21 19:52:43,723 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_delErr1REQUIRES_VIOLATION [2021-10-21 19:52:43,723 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_delErr2REQUIRES_VIOLATION [2021-10-21 19:52:43,723 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_delErr3REQUIRES_VIOLATION [2021-10-21 19:52:43,723 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION [2021-10-21 19:52:43,723 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION [2021-10-21 19:52:43,724 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION [2021-10-21 19:52:43,724 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION [2021-10-21 19:52:43,724 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_addErr0REQUIRES_VIOLATION [2021-10-21 19:52:43,724 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_addErr1REQUIRES_VIOLATION [2021-10-21 19:52:43,724 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_destroy_msgsErr0REQUIRES_VIOLATION [2021-10-21 19:52:43,724 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_destroy_msgsErr1REQUIRES_VIOLATION [2021-10-21 19:52:43,724 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_destroy_msgsErr2REQUIRES_VIOLATION [2021-10-21 19:52:43,724 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_destroy_msgsErr3REQUIRES_VIOLATION [2021-10-21 19:52:43,724 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_destroy_msgsErr4REQUIRES_VIOLATION [2021-10-21 19:52:43,724 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_destroy_msgsErr5REQUIRES_VIOLATION [2021-10-21 19:52:43,724 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION [2021-10-21 19:52:43,724 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION [2021-10-21 19:52:43,725 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr0REQUIRES_VIOLATION [2021-10-21 19:52:43,725 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr1REQUIRES_VIOLATION [2021-10-21 19:52:43,725 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:52:43,725 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:52:43,725 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:52:43,725 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:52:43,725 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:52:43,725 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:52:43,725 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK [2021-10-21 19:52:43,726 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_fillErr0REQUIRES_VIOLATION [2021-10-21 19:52:43,726 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_fillErr1REQUIRES_VIOLATION [2021-10-21 19:52:43,726 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_fillErr2REQUIRES_VIOLATION [2021-10-21 19:52:43,726 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_fillErr3REQUIRES_VIOLATION [2021-10-21 19:52:43,726 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_fillErr4REQUIRES_VIOLATION [2021-10-21 19:52:43,726 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_fillErr5REQUIRES_VIOLATION [2021-10-21 19:52:43,726 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION [2021-10-21 19:52:43,726 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION [2021-10-21 19:52:43,726 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:52:43,727 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:52:43,727 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:52:43,727 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:52:43,727 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:52:43,727 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:52:43,727 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_createErr0REQUIRES_VIOLATION [2021-10-21 19:52:43,727 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_createErr1REQUIRES_VIOLATION [2021-10-21 19:52:43,728 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_delErr0REQUIRES_VIOLATION [2021-10-21 19:52:43,728 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_delErr1REQUIRES_VIOLATION [2021-10-21 19:52:43,728 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_delErr2REQUIRES_VIOLATION [2021-10-21 19:52:43,728 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_delErr3REQUIRES_VIOLATION [2021-10-21 19:52:43,728 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_add_tailErr0REQUIRES_VIOLATION [2021-10-21 19:52:43,728 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_add_tailErr1REQUIRES_VIOLATION [2021-10-21 19:52:43,728 INFO L764 garLoopResultBuilder]: Registering result SAFE for location entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:52:43,728 INFO L764 garLoopResultBuilder]: Registering result SAFE for location entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:52:43,728 INFO L764 garLoopResultBuilder]: Registering result SAFE for location entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:52:43,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07bc0da-b39b-4071-819b-be53c1bc3d02/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-21 19:52:43,929 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07bc0da-b39b-4071-819b-be53c1bc3d02/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:52:43,934 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:52:43,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:52:43 BoogieIcfgContainer [2021-10-21 19:52:43,937 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:52:43,938 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:52:43,938 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:52:43,938 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:52:43,938 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:52:13" (3/4) ... [2021-10-21 19:52:43,942 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 19:52:43,955 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_submit_msg [2021-10-21 19:52:43,955 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.setCurrentRoundingMode [2021-10-21 19:52:43,955 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_create [2021-10-21 19:52:43,955 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_del [2021-10-21 19:52:43,955 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_positive [2021-10-21 19:52:43,955 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_del [2021-10-21 19:52:43,955 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2021-10-21 19:52:43,955 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint64_identity [2021-10-21 19:52:43,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_free [2021-10-21 19:52:43,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2021-10-21 19:52:43,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_del [2021-10-21 19:52:43,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_get [2021-10-21 19:52:43,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_put [2021-10-21 19:52:43,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint32_identity [2021-10-21 19:52:43,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init [2021-10-21 19:52:43,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2021-10-21 19:52:43,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_sub_return [2021-10-21 19:52:43,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add_tail [2021-10-21 19:52:43,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint16_identity [2021-10-21 19:52:43,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_nonpositive [2021-10-21 19:52:43,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2021-10-21 19:52:43,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure entry_point [2021-10-21 19:52:43,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_alloc [2021-10-21 19:52:43,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init_internal [2021-10-21 19:52:43,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_init [2021-10-21 19:52:43,957 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add [2021-10-21 19:52:43,957 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_destroy_msgs [2021-10-21 19:52:43,957 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_fill [2021-10-21 19:52:43,957 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_sub [2021-10-21 19:52:43,957 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2021-10-21 19:52:43,957 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_add_return [2021-10-21 19:52:43,957 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure f [2021-10-21 19:52:43,957 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_release [2021-10-21 19:52:43,958 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure g [2021-10-21 19:52:43,958 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2021-10-21 19:52:43,958 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_cleanup [2021-10-21 19:52:43,958 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy [2021-10-21 19:52:43,958 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure LDV_INIT_LIST_HEAD [2021-10-21 19:52:43,958 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure h_safe [2021-10-21 19:52:43,958 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_add [2021-10-21 19:52:43,958 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2021-10-21 19:52:43,959 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2021-10-21 19:52:43,959 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_set_drvdata [2021-10-21 19:52:43,959 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2021-10-21 19:52:43,959 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_put [2021-10-21 19:52:43,959 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_get [2021-10-21 19:52:43,960 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_get_drvdata [2021-10-21 19:52:43,966 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2021-10-21 19:52:43,966 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-21 19:52:43,967 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-21 19:52:43,967 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-21 19:52:43,967 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:52:44,021 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07bc0da-b39b-4071-819b-be53c1bc3d02/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 19:52:44,022 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:52:44,023 INFO L168 Benchmark]: Toolchain (without parser) took 32441.08 ms. Allocated memory was 52.4 MB in the beginning and 98.6 MB in the end (delta: 46.1 MB). Free memory was 27.6 MB in the beginning and 34.2 MB in the end (delta: -6.6 MB). Peak memory consumption was 38.6 MB. Max. memory is 16.1 GB. [2021-10-21 19:52:44,024 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 52.4 MB. Free memory is still 33.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:52:44,025 INFO L168 Benchmark]: CACSL2BoogieTranslator took 709.98 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 27.5 MB in the beginning and 40.5 MB in the end (delta: -13.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:52:44,025 INFO L168 Benchmark]: Boogie Preprocessor took 91.86 ms. Allocated memory is still 62.9 MB. Free memory was 40.5 MB in the beginning and 36.0 MB in the end (delta: 4.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-21 19:52:44,025 INFO L168 Benchmark]: RCFGBuilder took 1400.32 ms. Allocated memory was 62.9 MB in the beginning and 81.8 MB in the end (delta: 18.9 MB). Free memory was 36.0 MB in the beginning and 56.7 MB in the end (delta: -20.7 MB). Peak memory consumption was 16.9 MB. Max. memory is 16.1 GB. [2021-10-21 19:52:44,026 INFO L168 Benchmark]: TraceAbstraction took 30149.25 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 56.4 MB in the beginning and 39.4 MB in the end (delta: 17.0 MB). Peak memory consumption was 34.8 MB. Max. memory is 16.1 GB. [2021-10-21 19:52:44,026 INFO L168 Benchmark]: Witness Printer took 84.10 ms. Allocated memory is still 98.6 MB. Free memory was 39.4 MB in the beginning and 34.2 MB in the end (delta: 5.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:52:44,029 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 52.4 MB. Free memory is still 33.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 709.98 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 27.5 MB in the beginning and 40.5 MB in the end (delta: -13.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 91.86 ms. Allocated memory is still 62.9 MB. Free memory was 40.5 MB in the beginning and 36.0 MB in the end (delta: 4.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1400.32 ms. Allocated memory was 62.9 MB in the beginning and 81.8 MB in the end (delta: 18.9 MB). Free memory was 36.0 MB in the beginning and 56.7 MB in the end (delta: -20.7 MB). Peak memory consumption was 16.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 30149.25 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 56.4 MB in the beginning and 39.4 MB in the end (delta: 17.0 MB). Peak memory consumption was 34.8 MB. Max. memory is 16.1 GB. * Witness Printer took 84.10 ms. Allocated memory is still 98.6 MB. Free memory was 39.4 MB in the beginning and 34.2 MB in the end (delta: 5.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 682]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 682]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 658]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 658]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 660]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 660]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 540]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 540]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 541]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 541]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 623]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 623]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 666]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 666]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 668]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 668]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 559]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 559]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 619]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 619]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 593]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 593]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 593]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 593]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 593]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 764]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 588]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 588]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 699]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 699]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 700]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 700]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 700]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 702]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 702]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 702]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 744]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 744]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 563]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 563]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 762]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 762]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 762]: free always succeeds For all program executions holds that free always succeeds at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 48 procedures, 340 locations, 74 error locations. Started 1 CEGAR loops. OverallTime: 30090.8ms, OverallIterations: 6, TraceHistogramMax: 1, EmptinessCheckTime: 17.1ms, AutomataDifference: 8146.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 132 SDtfs, 43 SDslu, 451 SDs, 0 SdLazy, 402 SolverSat, 16 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 4907.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 241 GetRequests, 185 SyntacticMatches, 10 SemanticMatches, 46 ConstructedPredicates, 7 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 17689.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=100occurred in iteration=0, InterpolantAutomatonStates: 47, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 39.0ms AutomataMinimizationTime, 6 MinimizatonAttempts, 7 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 62.5ms SsaConstructionTime, 144.0ms SatisfiabilityAnalysisTime, 19436.0ms InterpolantComputationTime, 120 NumberOfCodeBlocks, 120 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 228 ConstructedInterpolants, 20 QuantifiedInterpolants, 1446 SizeOfPredicates, 2 NumberOfNonLiveVariables, 446 ConjunctsInSsa, 55 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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 - AllSpecificationsHoldResult: All specifications hold 74 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-21 19:52:44,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07bc0da-b39b-4071-819b-be53c1bc3d02/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...