./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 696e33c675918fc8350b482c3d25537e8a3aa795a76532943c9c159afade7e86 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 05:25:50,648 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 05:25:50,650 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 05:25:50,685 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 05:25:50,685 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 05:25:50,687 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 05:25:50,689 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 05:25:50,694 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 05:25:50,697 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 05:25:50,699 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 05:25:50,700 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 05:25:50,703 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 05:25:50,704 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 05:25:50,711 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 05:25:50,715 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 05:25:50,718 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 05:25:50,724 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 05:25:50,727 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 05:25:50,730 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 05:25:50,735 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 05:25:50,743 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 05:25:50,744 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 05:25:50,748 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 05:25:50,749 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 05:25:50,758 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 05:25:50,762 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 05:25:50,763 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 05:25:50,764 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 05:25:50,766 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 05:25:50,767 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 05:25:50,769 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 05:25:50,770 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 05:25:50,772 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 05:25:50,773 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 05:25:50,775 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 05:25:50,776 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 05:25:50,776 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 05:25:50,777 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 05:25:50,777 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 05:25:50,778 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 05:25:50,779 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 05:25:50,780 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-11-19 05:25:50,826 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 05:25:50,829 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 05:25:50,830 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 05:25:50,830 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 05:25:50,837 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 05:25:50,838 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 05:25:50,838 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 05:25:50,838 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 05:25:50,839 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 05:25:50,839 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 05:25:50,839 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 05:25:50,839 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-19 05:25:50,839 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 05:25:50,839 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 05:25:50,840 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 05:25:50,840 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-19 05:25:50,840 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-19 05:25:50,840 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-19 05:25:50,840 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 05:25:50,840 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 05:25:50,841 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 05:25:50,841 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 05:25:50,841 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 05:25:50,841 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 05:25:50,841 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 05:25:50,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:25:50,841 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 05:25:50,842 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 05:25:50,842 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-19 05:25:50,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 05:25:50,842 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 05:25:50,842 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_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 696e33c675918fc8350b482c3d25537e8a3aa795a76532943c9c159afade7e86 [2021-11-19 05:25:51,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 05:25:51,157 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 05:25:51,160 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 05:25:51,162 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 05:25:51,163 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 05:25:51,165 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/../../sv-benchmarks/c/ldv-memsafety/memleaks_test5.i [2021-11-19 05:25:51,240 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/data/68219f0cf/9cf1847f57c144ec8dc3081d6f3518f7/FLAGe9133f43e [2021-11-19 05:25:51,856 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 05:25:51,857 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/sv-benchmarks/c/ldv-memsafety/memleaks_test5.i [2021-11-19 05:25:51,875 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/data/68219f0cf/9cf1847f57c144ec8dc3081d6f3518f7/FLAGe9133f43e [2021-11-19 05:25:52,103 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/data/68219f0cf/9cf1847f57c144ec8dc3081d6f3518f7 [2021-11-19 05:25:52,106 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 05:25:52,107 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-19 05:25:52,109 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 05:25:52,110 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 05:25:52,114 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 05:25:52,114 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:25:52" (1/1) ... [2021-11-19 05:25:52,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bb74daa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:52, skipping insertion in model container [2021-11-19 05:25:52,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:25:52" (1/1) ... [2021-11-19 05:25:52,124 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 05:25:52,171 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 05:25:52,593 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:25:52,617 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-19 05:25:52,621 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@387ee086 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:52, skipping insertion in model container [2021-11-19 05:25:52,621 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 05:25:52,622 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-11-19 05:25:52,626 INFO L158 Benchmark]: Toolchain (without parser) took 516.00ms. Allocated memory is still 100.7MB. Free memory was 61.5MB in the beginning and 69.6MB in the end (delta: -8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-19 05:25:52,627 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 100.7MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:25:52,630 INFO L158 Benchmark]: CACSL2BoogieTranslator took 512.62ms. Allocated memory is still 100.7MB. Free memory was 61.3MB in the beginning and 69.6MB in the end (delta: -8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-19 05:25:52,633 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 100.7MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 512.62ms. Allocated memory is still 100.7MB. Free memory was 61.3MB in the beginning and 69.6MB in the end (delta: -8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 696e33c675918fc8350b482c3d25537e8a3aa795a76532943c9c159afade7e86 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 05:25:54,838 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 05:25:54,842 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 05:25:54,894 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 05:25:54,895 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 05:25:54,899 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 05:25:54,901 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 05:25:54,908 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 05:25:54,911 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 05:25:54,917 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 05:25:54,918 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 05:25:54,920 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 05:25:54,921 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 05:25:54,923 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 05:25:54,925 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 05:25:54,929 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 05:25:54,931 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 05:25:54,932 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 05:25:54,934 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 05:25:54,942 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 05:25:54,944 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 05:25:54,946 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 05:25:54,949 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 05:25:54,951 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 05:25:54,960 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 05:25:54,961 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 05:25:54,961 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 05:25:54,963 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 05:25:54,964 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 05:25:54,965 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 05:25:54,966 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 05:25:54,967 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 05:25:54,969 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 05:25:54,970 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 05:25:54,971 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 05:25:54,972 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 05:25:54,973 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 05:25:54,973 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 05:25:54,973 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 05:25:54,975 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 05:25:54,976 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 05:25:54,977 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-11-19 05:25:55,018 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 05:25:55,019 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 05:25:55,019 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 05:25:55,020 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 05:25:55,021 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 05:25:55,021 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 05:25:55,022 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 05:25:55,022 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 05:25:55,023 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 05:25:55,023 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 05:25:55,024 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 05:25:55,024 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-19 05:25:55,025 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 05:25:55,025 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 05:25:55,025 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 05:25:55,025 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-19 05:25:55,026 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-19 05:25:55,026 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-19 05:25:55,026 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 05:25:55,026 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 05:25:55,027 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 05:25:55,027 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 05:25:55,027 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 05:25:55,027 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 05:25:55,028 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 05:25:55,028 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 05:25:55,028 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 05:25:55,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:25:55,029 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 05:25:55,029 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 05:25:55,029 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-19 05:25:55,029 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 05:25:55,030 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 05:25:55,030 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 05:25:55,030 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_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 696e33c675918fc8350b482c3d25537e8a3aa795a76532943c9c159afade7e86 [2021-11-19 05:25:55,443 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 05:25:55,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 05:25:55,467 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 05:25:55,468 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 05:25:55,469 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 05:25:55,471 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/../../sv-benchmarks/c/ldv-memsafety/memleaks_test5.i [2021-11-19 05:25:55,544 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/data/7e0d0cc58/a92de75d2b1b433b84abd9b940afa110/FLAGeb832dc53 [2021-11-19 05:25:56,110 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 05:25:56,114 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/sv-benchmarks/c/ldv-memsafety/memleaks_test5.i [2021-11-19 05:25:56,131 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/data/7e0d0cc58/a92de75d2b1b433b84abd9b940afa110/FLAGeb832dc53 [2021-11-19 05:25:56,395 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/data/7e0d0cc58/a92de75d2b1b433b84abd9b940afa110 [2021-11-19 05:25:56,398 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 05:25:56,399 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-19 05:25:56,401 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 05:25:56,401 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 05:25:56,405 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 05:25:56,406 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:25:56" (1/1) ... [2021-11-19 05:25:56,407 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ebf55e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:56, skipping insertion in model container [2021-11-19 05:25:56,408 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:25:56" (1/1) ... [2021-11-19 05:25:56,415 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 05:25:56,458 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 05:25:56,866 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:25:56,884 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 05:25:56,895 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 05:25:56,936 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:25:56,944 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 05:25:57,008 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:25:57,076 INFO L208 MainTranslator]: Completed translation [2021-11-19 05:25:57,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:57 WrapperNode [2021-11-19 05:25:57,077 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 05:25:57,079 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 05:25:57,079 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 05:25:57,079 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 05:25:57,091 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:57" (1/1) ... [2021-11-19 05:25:57,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:57" (1/1) ... [2021-11-19 05:25:57,141 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:57" (1/1) ... [2021-11-19 05:25:57,141 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:57" (1/1) ... [2021-11-19 05:25:57,208 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:57" (1/1) ... [2021-11-19 05:25:57,220 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:57" (1/1) ... [2021-11-19 05:25:57,226 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:57" (1/1) ... [2021-11-19 05:25:57,248 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 05:25:57,249 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 05:25:57,250 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 05:25:57,250 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 05:25:57,251 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:57" (1/1) ... [2021-11-19 05:25:57,258 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:25:57,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:25:57,296 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 05:25:57,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 05:25:57,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-11-19 05:25:57,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 05:25:57,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 05:25:57,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-11-19 05:25:57,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-11-19 05:25:57,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-11-19 05:25:57,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-11-19 05:25:57,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-11-19 05:25:57,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-11-19 05:25:57,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-11-19 05:25:57,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-11-19 05:25:57,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 05:25:57,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-19 05:25:57,341 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-11-19 05:25:57,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-11-19 05:25:57,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-11-19 05:25:57,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-11-19 05:25:57,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-11-19 05:25:57,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-11-19 05:25:57,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-11-19 05:25:57,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-11-19 05:25:57,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-11-19 05:25:57,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-11-19 05:25:57,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-11-19 05:25:57,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-11-19 05:25:57,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-19 05:25:57,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-11-19 05:25:57,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-11-19 05:25:57,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-11-19 05:25:57,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-11-19 05:25:57,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-11-19 05:25:57,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-11-19 05:25:57,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-11-19 05:25:57,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-11-19 05:25:57,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-11-19 05:25:57,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-11-19 05:25:57,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-11-19 05:25:57,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-11-19 05:25:57,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-11-19 05:25:57,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-11-19 05:25:57,346 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-11-19 05:25:57,346 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-11-19 05:25:57,347 INFO L138 BoogieDeclarations]: Found implementation of procedure h5 [2021-11-19 05:25:57,347 INFO L138 BoogieDeclarations]: Found implementation of procedure g5 [2021-11-19 05:25:57,349 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-11-19 05:25:57,350 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-11-19 05:25:57,350 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 05:25:57,350 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-19 05:25:57,351 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-19 05:25:57,351 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-11-19 05:25:57,351 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-11-19 05:25:57,351 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-11-19 05:25:57,351 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-11-19 05:25:57,352 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-11-19 05:25:57,352 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-11-19 05:25:57,352 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-11-19 05:25:57,352 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-11-19 05:25:57,352 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-11-19 05:25:57,353 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-11-19 05:25:57,353 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-11-19 05:25:57,355 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-11-19 05:25:57,355 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-11-19 05:25:57,356 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-11-19 05:25:57,357 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-11-19 05:25:57,357 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-11-19 05:25:57,357 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-11-19 05:25:57,357 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-11-19 05:25:57,358 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-11-19 05:25:57,358 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-11-19 05:25:57,358 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-11-19 05:25:57,358 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-11-19 05:25:57,359 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-11-19 05:25:57,359 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-11-19 05:25:57,359 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-11-19 05:25:57,359 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-11-19 05:25:57,359 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-11-19 05:25:57,359 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-11-19 05:25:57,359 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-11-19 05:25:57,359 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-11-19 05:25:57,361 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-11-19 05:25:57,361 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-11-19 05:25:57,361 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-11-19 05:25:57,361 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-11-19 05:25:57,361 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-11-19 05:25:57,361 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-11-19 05:25:57,361 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-11-19 05:25:57,362 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-11-19 05:25:57,362 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-11-19 05:25:57,362 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-11-19 05:25:57,362 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-11-19 05:25:57,362 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-11-19 05:25:57,362 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-11-19 05:25:57,362 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-11-19 05:25:57,363 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-11-19 05:25:57,363 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-11-19 05:25:57,363 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-11-19 05:25:57,363 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-11-19 05:25:57,363 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-11-19 05:25:57,364 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-11-19 05:25:57,364 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-11-19 05:25:57,364 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-11-19 05:25:57,364 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-11-19 05:25:57,364 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-11-19 05:25:57,364 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-11-19 05:25:57,365 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-11-19 05:25:57,365 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-11-19 05:25:57,365 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-11-19 05:25:57,365 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-11-19 05:25:57,365 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-11-19 05:25:57,365 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-11-19 05:25:57,365 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-11-19 05:25:57,366 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-11-19 05:25:57,366 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-11-19 05:25:57,366 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-11-19 05:25:57,366 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-11-19 05:25:57,366 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-11-19 05:25:57,366 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-11-19 05:25:57,367 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-11-19 05:25:57,367 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-11-19 05:25:57,367 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-11-19 05:25:57,368 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-11-19 05:25:57,369 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-11-19 05:25:57,372 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-11-19 05:25:57,372 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-11-19 05:25:57,373 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-11-19 05:25:57,373 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-11-19 05:25:57,373 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-11-19 05:25:57,374 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-11-19 05:25:57,374 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-11-19 05:25:57,374 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-11-19 05:25:57,374 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-11-19 05:25:57,379 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-11-19 05:25:57,379 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-11-19 05:25:57,379 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-11-19 05:25:57,379 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-11-19 05:25:57,379 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-11-19 05:25:57,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-11-19 05:25:57,380 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-11-19 05:25:57,380 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-11-19 05:25:57,380 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-11-19 05:25:57,380 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-11-19 05:25:57,380 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-11-19 05:25:57,380 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-11-19 05:25:57,380 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-11-19 05:25:57,380 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-11-19 05:25:57,380 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-11-19 05:25:57,381 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-11-19 05:25:57,381 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-11-19 05:25:57,381 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-11-19 05:25:57,381 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-11-19 05:25:57,381 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-11-19 05:25:57,381 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-11-19 05:25:57,381 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-11-19 05:25:57,381 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-11-19 05:25:57,382 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-11-19 05:25:57,382 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-11-19 05:25:57,382 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-19 05:25:57,382 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-11-19 05:25:57,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-11-19 05:25:57,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-11-19 05:25:57,382 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-11-19 05:25:57,382 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-11-19 05:25:57,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 05:25:57,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 05:25:57,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-19 05:25:57,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-19 05:25:57,383 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-11-19 05:25:57,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 05:25:57,383 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-11-19 05:25:57,383 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-11-19 05:25:57,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-11-19 05:25:57,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 05:25:57,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-11-19 05:25:57,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-11-19 05:25:57,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-11-19 05:25:57,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-11-19 05:25:57,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-19 05:25:57,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-11-19 05:25:57,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 05:25:57,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-11-19 05:25:57,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-11-19 05:25:57,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-11-19 05:25:57,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-19 05:25:57,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-11-19 05:25:57,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 05:25:57,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 05:25:57,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-11-19 05:25:57,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-11-19 05:25:57,386 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 05:25:57,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-11-19 05:25:57,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-11-19 05:25:57,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-11-19 05:25:57,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-11-19 05:25:57,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-11-19 05:25:57,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-11-19 05:25:57,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-11-19 05:25:57,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-11-19 05:25:57,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-11-19 05:25:57,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-11-19 05:25:57,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-11-19 05:25:57,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 05:25:57,387 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-11-19 05:25:57,388 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-11-19 05:25:57,388 INFO L130 BoogieDeclarations]: Found specification of procedure h5 [2021-11-19 05:25:57,388 INFO L130 BoogieDeclarations]: Found specification of procedure g5 [2021-11-19 05:25:57,388 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-11-19 05:25:57,388 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-11-19 05:25:57,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-11-19 05:25:57,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 05:25:57,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 05:25:57,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 05:25:57,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-11-19 05:25:57,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-19 05:25:57,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-19 05:25:57,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 05:25:57,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 05:25:57,833 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 05:25:57,838 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 05:25:58,140 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-19 05:25:58,510 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-19 05:25:58,850 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 05:25:58,861 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 05:25:58,873 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-19 05:25:58,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:25:58 BoogieIcfgContainer [2021-11-19 05:25:58,876 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 05:25:58,878 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 05:25:58,878 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 05:25:58,881 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 05:25:58,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:25:56" (1/3) ... [2021-11-19 05:25:58,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@159eded8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:25:58, skipping insertion in model container [2021-11-19 05:25:58,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:57" (2/3) ... [2021-11-19 05:25:58,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@159eded8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:25:58, skipping insertion in model container [2021-11-19 05:25:58,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:25:58" (3/3) ... [2021-11-19 05:25:58,884 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test5.i [2021-11-19 05:25:58,889 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 05:25:58,890 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 74 error locations. [2021-11-19 05:25:58,934 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 05:25:58,941 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 05:25:58,941 INFO L340 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2021-11-19 05:25:58,958 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 57 states have (on average 1.4912280701754386) internal successors, (85), 78 states have internal predecessors, (85), 13 states have call successors, (13), 12 states have call predecessors, (13), 12 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-19 05:25:58,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-19 05:25:58,966 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:25:58,967 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:25:58,967 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting g5Err0ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-11-19 05:25:58,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:25:58,973 INFO L85 PathProgramCache]: Analyzing trace with hash -797462538, now seen corresponding path program 1 times [2021-11-19 05:25:58,985 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:25:58,985 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1862849870] [2021-11-19 05:25:58,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:25:58,986 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:25:58,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 05:25:58,990 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:25:59,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 05:25:59,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:25:59,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-19 05:25:59,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:25:59,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:25:59,443 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:25:59,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:25:59,652 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:25:59,652 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1862849870] [2021-11-19 05:25:59,653 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1862849870] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 05:25:59,653 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:25:59,653 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2021-11-19 05:25:59,655 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748854079] [2021-11-19 05:25:59,658 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 05:25:59,662 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:25:59,664 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:25:59,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:25:59,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:25:59,703 INFO L87 Difference]: Start difference. First operand has 104 states, 57 states have (on average 1.4912280701754386) internal successors, (85), 78 states have internal predecessors, (85), 13 states have call successors, (13), 12 states have call predecessors, (13), 12 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 9 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-19 05:25:59,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:25:59,826 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2021-11-19 05:25:59,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:25:59,830 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 20 [2021-11-19 05:25:59,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:25:59,839 INFO L225 Difference]: With dead ends: 33 [2021-11-19 05:25:59,839 INFO L226 Difference]: Without dead ends: 30 [2021-11-19 05:25:59,846 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-11-19 05:25:59,858 INFO L933 BasicCegarLoop]: 27 mSDtfsCounter, 17 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 05:25:59,861 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 198 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 05:25:59,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-11-19 05:25:59,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2021-11-19 05:25:59,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 6 states have call successors, (6), 6 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-19 05:25:59,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2021-11-19 05:25:59,893 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 20 [2021-11-19 05:25:59,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:25:59,894 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2021-11-19 05:25:59,894 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-19 05:25:59,894 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2021-11-19 05:25:59,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-19 05:25:59,896 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:25:59,896 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:25:59,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 05:26:00,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 [2021-11-19 05:26:00,114 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting g5Err1ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-11-19 05:26:00,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:26:00,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1048465454, now seen corresponding path program 1 times [2021-11-19 05:26:00,116 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:26:00,116 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [413186986] [2021-11-19 05:26:00,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:26:00,116 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:26:00,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 05:26:00,120 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:26:00,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 05:26:00,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:26:00,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-19 05:26:00,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:26:00,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:26:00,631 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:26:01,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:26:01,065 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:26:01,066 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [413186986] [2021-11-19 05:26:01,066 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [413186986] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 05:26:01,066 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:26:01,066 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 8] imperfect sequences [] total 16 [2021-11-19 05:26:01,066 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119722565] [2021-11-19 05:26:01,067 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 05:26:01,068 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-19 05:26:01,068 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:26:01,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-19 05:26:01,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2021-11-19 05:26:01,073 INFO L87 Difference]: Start difference. First operand 30 states and 31 transitions. Second operand has 17 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 11 states have internal predecessors, (24), 4 states have call successors, (11), 4 states have call predecessors, (11), 6 states have return successors, (6), 6 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-19 05:26:01,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:26:01,606 INFO L93 Difference]: Finished difference Result 46 states and 47 transitions. [2021-11-19 05:26:01,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-19 05:26:01,607 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 11 states have internal predecessors, (24), 4 states have call successors, (11), 4 states have call predecessors, (11), 6 states have return successors, (6), 6 states have call predecessors, (6), 2 states have call successors, (6) Word has length 21 [2021-11-19 05:26:01,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:26:01,609 INFO L225 Difference]: With dead ends: 46 [2021-11-19 05:26:01,610 INFO L226 Difference]: Without dead ends: 46 [2021-11-19 05:26:01,610 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-11-19 05:26:01,611 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 47 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-19 05:26:01,612 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [54 Valid, 143 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-19 05:26:01,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2021-11-19 05:26:01,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 43. [2021-11-19 05:26:01,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 26 states have (on average 1.1538461538461537) internal successors, (30), 28 states have internal predecessors, (30), 7 states have call successors, (7), 7 states have call predecessors, (7), 8 states have return successors, (8), 7 states have call predecessors, (8), 6 states have call successors, (8) [2021-11-19 05:26:01,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 45 transitions. [2021-11-19 05:26:01,627 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 45 transitions. Word has length 21 [2021-11-19 05:26:01,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:26:01,628 INFO L470 AbstractCegarLoop]: Abstraction has 43 states and 45 transitions. [2021-11-19 05:26:01,628 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 11 states have internal predecessors, (24), 4 states have call successors, (11), 4 states have call predecessors, (11), 6 states have return successors, (6), 6 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-19 05:26:01,629 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2021-11-19 05:26:01,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-19 05:26:01,632 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:26:01,632 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:26:01,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 05:26:01,843 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 [2021-11-19 05:26:01,843 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting g5Err2ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-11-19 05:26:01,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:26:01,844 INFO L85 PathProgramCache]: Analyzing trace with hash -1857308936, now seen corresponding path program 1 times [2021-11-19 05:26:01,845 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:26:01,845 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [314171137] [2021-11-19 05:26:01,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:26:01,846 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:26:01,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 05:26:01,847 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:26:01,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 05:26:02,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:26:02,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-19 05:26:02,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:26:02,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-19 05:26:02,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:26:02,215 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:26:02,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:26:02,420 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:26:02,420 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [314171137] [2021-11-19 05:26:02,420 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [314171137] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 05:26:02,421 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:26:02,421 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2021-11-19 05:26:02,421 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332124712] [2021-11-19 05:26:02,421 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 05:26:02,422 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:26:02,422 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:26:02,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:26:02,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:26:02,424 INFO L87 Difference]: Start difference. First operand 43 states and 45 transitions. Second operand has 9 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-19 05:26:02,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:26:02,560 INFO L93 Difference]: Finished difference Result 43 states and 44 transitions. [2021-11-19 05:26:02,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:26:02,560 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 22 [2021-11-19 05:26:02,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:26:02,561 INFO L225 Difference]: With dead ends: 43 [2021-11-19 05:26:02,561 INFO L226 Difference]: Without dead ends: 43 [2021-11-19 05:26:02,562 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 29 SyntacticMatches, 7 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-11-19 05:26:02,563 INFO L933 BasicCegarLoop]: 25 mSDtfsCounter, 4 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 05:26:02,563 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 152 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 05:26:02,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-11-19 05:26:02,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2021-11-19 05:26:02,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 28 states have internal predecessors, (29), 7 states have call successors, (7), 7 states have call predecessors, (7), 8 states have return successors, (8), 7 states have call predecessors, (8), 6 states have call successors, (8) [2021-11-19 05:26:02,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 44 transitions. [2021-11-19 05:26:02,579 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 44 transitions. Word has length 22 [2021-11-19 05:26:02,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:26:02,579 INFO L470 AbstractCegarLoop]: Abstraction has 43 states and 44 transitions. [2021-11-19 05:26:02,580 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-19 05:26:02,580 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2021-11-19 05:26:02,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-19 05:26:02,581 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:26:02,582 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:26:02,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 05:26:02,797 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 [2021-11-19 05:26:02,797 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting g5Err2ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-11-19 05:26:02,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:26:02,798 INFO L85 PathProgramCache]: Analyzing trace with hash 2144255353, now seen corresponding path program 1 times [2021-11-19 05:26:02,798 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:26:02,798 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1364873444] [2021-11-19 05:26:02,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:26:02,798 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:26:02,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 05:26:02,799 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:26:02,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 05:26:02,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:26:02,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-19 05:26:02,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:26:03,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:26:03,114 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:26:03,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:26:03,316 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:26:03,316 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1364873444] [2021-11-19 05:26:03,316 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1364873444] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 05:26:03,317 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:26:03,317 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 9 [2021-11-19 05:26:03,317 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126224856] [2021-11-19 05:26:03,317 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 05:26:03,317 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:26:03,318 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:26:03,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:26:03,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:26:03,318 INFO L87 Difference]: Start difference. First operand 43 states and 44 transitions. Second operand has 9 states, 8 states have (on average 1.625) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-19 05:26:03,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:26:03,388 INFO L93 Difference]: Finished difference Result 41 states and 41 transitions. [2021-11-19 05:26:03,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:26:03,389 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.625) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 22 [2021-11-19 05:26:03,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:26:03,390 INFO L225 Difference]: With dead ends: 41 [2021-11-19 05:26:03,390 INFO L226 Difference]: Without dead ends: 41 [2021-11-19 05:26:03,390 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-11-19 05:26:03,392 INFO L933 BasicCegarLoop]: 33 mSDtfsCounter, 6 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 05:26:03,392 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 246 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 05:26:03,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2021-11-19 05:26:03,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2021-11-19 05:26:03,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 23 states have (on average 1.0434782608695652) internal successors, (24), 24 states have internal predecessors, (24), 7 states have call successors, (7), 7 states have call predecessors, (7), 8 states have return successors, (8), 7 states have call predecessors, (8), 6 states have call successors, (8) [2021-11-19 05:26:03,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 39 transitions. [2021-11-19 05:26:03,399 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 39 transitions. Word has length 22 [2021-11-19 05:26:03,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:26:03,399 INFO L470 AbstractCegarLoop]: Abstraction has 39 states and 39 transitions. [2021-11-19 05:26:03,399 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.625) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-19 05:26:03,399 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 39 transitions. [2021-11-19 05:26:03,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 05:26:03,400 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:26:03,400 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:26:03,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-19 05:26:03,601 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 [2021-11-19 05:26:03,601 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-11-19 05:26:03,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:26:03,602 INFO L85 PathProgramCache]: Analyzing trace with hash -714793594, now seen corresponding path program 1 times [2021-11-19 05:26:03,602 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:26:03,602 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [962877865] [2021-11-19 05:26:03,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:26:03,602 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:26:03,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 05:26:03,603 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:26:03,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 05:26:03,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:26:03,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-19 05:26:03,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:26:03,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:26:03,818 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:26:03,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:26:03,983 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:26:03,984 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [962877865] [2021-11-19 05:26:03,984 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [962877865] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 05:26:03,984 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:26:03,984 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-19 05:26:03,984 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783604008] [2021-11-19 05:26:03,985 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 05:26:03,986 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 05:26:03,986 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:26:03,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 05:26:03,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 05:26:03,987 INFO L87 Difference]: Start difference. First operand 39 states and 39 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-19 05:26:04,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:26:04,014 INFO L93 Difference]: Finished difference Result 42 states and 41 transitions. [2021-11-19 05:26:04,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:26:04,014 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 24 [2021-11-19 05:26:04,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:26:04,015 INFO L225 Difference]: With dead ends: 42 [2021-11-19 05:26:04,015 INFO L226 Difference]: Without dead ends: 28 [2021-11-19 05:26:04,016 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 05:26:04,017 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 3 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 05:26:04,017 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 39 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 05:26:04,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2021-11-19 05:26:04,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2021-11-19 05:26:04,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 16 states have (on average 1.0) internal successors, (16), 16 states have internal predecessors, (16), 6 states have call successors, (6), 6 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-19 05:26:04,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 27 transitions. [2021-11-19 05:26:04,021 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 27 transitions. Word has length 24 [2021-11-19 05:26:04,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:26:04,021 INFO L470 AbstractCegarLoop]: Abstraction has 28 states and 27 transitions. [2021-11-19 05:26:04,022 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-19 05:26:04,022 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 27 transitions. [2021-11-19 05:26:04,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-19 05:26:04,023 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:26:04,023 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:26:04,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-19 05:26:04,225 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 [2021-11-19 05:26:04,226 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-11-19 05:26:04,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:26:04,226 INFO L85 PathProgramCache]: Analyzing trace with hash -745239103, now seen corresponding path program 1 times [2021-11-19 05:26:04,227 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:26:04,227 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1679025592] [2021-11-19 05:26:04,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:26:04,227 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:26:04,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 05:26:04,228 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:26:04,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-19 05:26:04,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:26:04,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-19 05:26:04,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:26:04,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-19 05:26:08,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:26:08,854 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:26:13,289 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_entry_point_~p~1.base_15 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |c_old(#valid)| v_entry_point_~p~1.base_15 (_ bv0 1)))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_entry_point_~p~1.base_15)))))))))) (= |v_old(#valid)_BEFORE_CALL_13| |c_#valid|))) is different from false [2021-11-19 05:26:13,403 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| c_entry_point_~p~1.base (_ bv0 1))) (exists ((v_entry_point_~p~1.base_15 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |c_old(#valid)| v_entry_point_~p~1.base_15 (_ bv0 1)))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_entry_point_~p~1.base_15)))))))))))) is different from false [2021-11-19 05:26:13,478 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:26:13,479 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1679025592] [2021-11-19 05:26:13,479 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Substitution failed: {(= (store |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~p~1.base_15 (_ bv0 1)) v_prenex_1)=(= (select v_prenex_1 v_antiDerIndex_entry0_1) (select (store |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~p~1.base_15 (_ bv0 1)) v_antiDerIndex_entry0_1))} [2021-11-19 05:26:13,480 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [686245210] [2021-11-19 05:26:13,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:26:13,480 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 05:26:13,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/cvc4 [2021-11-19 05:26:13,483 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 05:26:13,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2021-11-19 05:26:13,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:26:13,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-19 05:26:13,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:26:13,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 13 treesize of output 10 [2021-11-19 05:26:14,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:26:14,006 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:26:18,402 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_19| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_19| |c_#valid|) (exists ((v_entry_point_~p~1.base_15 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_19| (store |c_old(#valid)| v_entry_point_~p~1.base_15 (_ bv0 1)))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_entry_point_~p~1.base_15)))))))))))) is different from false [2021-11-19 05:26:18,517 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_19| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_entry_point_~p~1.base_15 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_19| (store |c_old(#valid)| v_entry_point_~p~1.base_15 (_ bv0 1)))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_entry_point_~p~1.base_15)))))))))) (= |v_old(#valid)_BEFORE_CALL_19| (store |c_#valid| c_entry_point_~p~1.base (_ bv0 1))))) is different from false [2021-11-19 05:26:18,589 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Substitution failed: {(= (store |v_old(#valid)_BEFORE_CALL_20| v_entry_point_~p~1.base_15 (_ bv0 1)) v_prenex_3)=(= (select (store |v_old(#valid)_BEFORE_CALL_20| v_entry_point_~p~1.base_15 (_ bv0 1)) v_antiDerIndex_entry0_2) (select v_prenex_3 v_antiDerIndex_entry0_2))} [2021-11-19 05:26:18,589 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [562496563] [2021-11-19 05:26:18,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:26:18,589 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:26:18,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:26:18,598 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:26:18,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-19 05:26:18,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:26:18,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-19 05:26:18,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:26:18,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:26:18,921 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:26:23,235 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_25| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_entry_point_~p~1.base_15 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_25| (store |c_old(#valid)| v_entry_point_~p~1.base_15 (_ bv0 1)))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_entry_point_~p~1.base_15)))))))))) (= |v_old(#valid)_BEFORE_CALL_25| |c_#valid|))) is different from false [2021-11-19 05:26:23,599 INFO L354 Elim1Store]: treesize reduction 16, result has 78.1 percent of original size [2021-11-19 05:26:23,600 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 65 treesize of output 112 [2021-11-19 05:26:24,050 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 05:26:24,051 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 28 treesize of output 32 [2021-11-19 05:26:27,504 INFO L354 Elim1Store]: treesize reduction 16, result has 78.1 percent of original size [2021-11-19 05:26:27,505 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 80 treesize of output 127 [2021-11-19 05:26:28,803 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 05:26:28,803 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 40 treesize of output 44 [2021-11-19 05:26:28,991 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 [2021-11-19 05:26:29,593 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 05:26:29,594 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 63 treesize of output 103 [2021-11-19 05:26:32,122 WARN L860 $PredicateComparison]: unable to prove that (or (exists ((|v_entry_point_#t~ret39.base_48| (_ BitVec 32))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| |v_entry_point_#t~ret39.base_48|)))))))))) (forall ((v_antiDerIndex_entry0_8 (_ BitVec 32)) (v_arrayElimCell_14 (_ BitVec 1))) (or (= (_ bv0 1) (bvadd (bvneg (select (store |c_#valid| |c_h5_#res.base| (_ bv0 1)) v_antiDerIndex_entry0_8)) v_arrayElimCell_14)) (not (= (_ bv0 1) (bvneg v_arrayElimCell_14)))))) is different from true [2021-11-19 05:26:34,175 WARN L860 $PredicateComparison]: unable to prove that (or (forall ((v_antiDerIndex_entry0_8 (_ BitVec 32)) (v_arrayElimCell_14 (_ BitVec 1))) (let ((.cse0 (bvneg v_arrayElimCell_14))) (or (= (_ bv0 1) (bvadd (bvneg (bvneg (select (store |c_#valid| |c_h5_#t~ret38.base| (_ bv0 1)) v_antiDerIndex_entry0_8))) .cse0)) (not (= (_ bv0 1) .cse0))))) (exists ((|v_entry_point_#t~ret39.base_48| (_ BitVec 32))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| |v_entry_point_#t~ret39.base_48|))))))))))) is different from true [2021-11-19 05:26:36,277 WARN L860 $PredicateComparison]: unable to prove that (or (forall ((v_antiDerIndex_entry0_8 (_ BitVec 32)) (v_arrayElimCell_14 (_ BitVec 1)) (|v_h5_#t~ret38.base_78| (_ BitVec 32))) (let ((.cse0 (bvneg v_arrayElimCell_14))) (or (= (_ bv0 1) (bvadd (bvneg (bvneg (select (store |c_#valid| |v_h5_#t~ret38.base_78| (_ bv0 1)) v_antiDerIndex_entry0_8))) .cse0)) (not (= (_ bv0 1) (bvneg (select |c_#valid| |v_h5_#t~ret38.base_78|)))) (not (= (_ bv0 1) .cse0))))) (exists ((|v_entry_point_#t~ret39.base_48| (_ BitVec 32))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| |v_entry_point_#t~ret39.base_48|))))))))))) is different from true [2021-11-19 05:26:38,379 WARN L860 $PredicateComparison]: unable to prove that (or (forall ((v_antiDerIndex_entry0_8 (_ BitVec 32)) (v_arrayElimCell_14 (_ BitVec 1))) (let ((.cse0 (bvneg v_arrayElimCell_14))) (or (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (select (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) v_antiDerIndex_entry0_8)))) (bvneg .cse0))) (not (= (_ bv0 1) .cse0))))) (exists ((v_antiDerIndex_entry0_8 (_ BitVec 32)) (v_arrayElimCell_14 (_ BitVec 1)) (|v_h5_#t~ret38.base_78| (_ BitVec 32))) (let ((.cse1 (bvneg v_arrayElimCell_14))) (and (= (_ bv0 1) (bvneg (bvneg (select |c_old(#valid)| |v_h5_#t~ret38.base_78|)))) (= (_ bv0 1) .cse1) (not (= (_ bv0 1) (bvadd (bvneg (bvneg (select (store |c_old(#valid)| |v_h5_#t~ret38.base_78| (_ bv0 1)) v_antiDerIndex_entry0_8))) .cse1)))))) (forall ((|v_old(#valid)_BEFORE_CALL_28| (Array (_ BitVec 32) (_ BitVec 1)))) (exists ((|v_entry_point_#t~ret39.base_48| (_ BitVec 32))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |v_old(#valid)_BEFORE_CALL_28| |v_entry_point_#t~ret39.base_48|)))))))))))) is different from true [2021-11-19 05:26:40,531 WARN L860 $PredicateComparison]: unable to prove that (or (exists ((v_antiDerIndex_entry0_8 (_ BitVec 32)) (v_arrayElimCell_14 (_ BitVec 1)) (|v_h5_#t~ret38.base_78| (_ BitVec 32))) (let ((.cse0 (bvneg v_arrayElimCell_14))) (and (= (_ bv0 1) (bvneg (bvneg (select |c_old(#valid)| |v_h5_#t~ret38.base_78|)))) (= (_ bv0 1) .cse0) (not (= (_ bv0 1) (bvadd (bvneg (bvneg (select (store |c_old(#valid)| |v_h5_#t~ret38.base_78| (_ bv0 1)) v_antiDerIndex_entry0_8))) .cse0)))))) (forall ((|v_old(#valid)_BEFORE_CALL_28| (Array (_ BitVec 32) (_ BitVec 1)))) (exists ((|v_entry_point_#t~ret39.base_48| (_ BitVec 32))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |v_old(#valid)_BEFORE_CALL_28| |v_entry_point_#t~ret39.base_48|))))))))))) (forall ((v_antiDerIndex_entry0_8 (_ BitVec 32)) (|v_ldv_malloc_#res.base_63| (_ BitVec 32)) (v_arrayElimCell_14 (_ BitVec 1))) (let ((.cse1 (bvneg v_arrayElimCell_14))) (or (not (= (_ bv0 1) .cse1)) (not (= (_ bv0 1) (bvneg (bvneg (select |c_#valid| |v_ldv_malloc_#res.base_63|))))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (bvneg .cse1))))) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select (store |c_#valid| |v_ldv_malloc_#res.base_63| (_ bv0 1)) v_antiDerIndex_entry0_8)))))))))))))) is different from true [2021-11-19 05:26:40,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:26:40,637 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [562496563] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 05:26:40,638 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:26:40,638 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 12] imperfect sequences [] total 20 [2021-11-19 05:26:40,638 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948856933] [2021-11-19 05:26:40,638 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 05:26:40,639 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-11-19 05:26:40,639 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:26:40,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-11-19 05:26:40,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=230, Unknown=37, NotChecked=410, Total=756 [2021-11-19 05:26:40,640 INFO L87 Difference]: Start difference. First operand 28 states and 27 transitions. Second operand has 21 states, 15 states have (on average 2.0) internal successors, (30), 14 states have internal predecessors, (30), 7 states have call successors, (11), 6 states have call predecessors, (11), 8 states have return successors, (9), 8 states have call predecessors, (9), 7 states have call successors, (9) [2021-11-19 05:27:04,890 WARN L227 SmtUtils]: Spent 16.06s on a formula simplification. DAG size of input: 62 DAG size of output: 49 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-19 05:27:25,038 WARN L227 SmtUtils]: Spent 18.08s on a formula simplification. DAG size of input: 57 DAG size of output: 44 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-19 05:27:31,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:27:31,612 INFO L93 Difference]: Finished difference Result 27 states and 26 transitions. [2021-11-19 05:27:31,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-19 05:27:31,613 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 15 states have (on average 2.0) internal successors, (30), 14 states have internal predecessors, (30), 7 states have call successors, (11), 6 states have call predecessors, (11), 8 states have return successors, (9), 8 states have call predecessors, (9), 7 states have call successors, (9) Word has length 27 [2021-11-19 05:27:31,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:27:31,614 INFO L225 Difference]: With dead ends: 27 [2021-11-19 05:27:31,614 INFO L226 Difference]: Without dead ends: 0 [2021-11-19 05:27:31,615 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 89 SyntacticMatches, 5 SemanticMatches, 29 ConstructedPredicates, 10 IntricatePredicates, 1 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 80.7s TimeCoverageRelationStatistics Valid=99, Invalid=304, Unknown=57, NotChecked=470, Total=930 [2021-11-19 05:27:31,616 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 17 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 178 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 05:27:31,616 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 84 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 178 Unchecked, 0.1s Time] [2021-11-19 05:27:31,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-19 05:27:31,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-19 05:27:31,618 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) [2021-11-19 05:27:31,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-19 05:27:31,618 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2021-11-19 05:27:31,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:27:31,618 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-19 05:27:31,619 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 15 states have (on average 2.0) internal successors, (30), 14 states have internal predecessors, (30), 7 states have call successors, (11), 6 states have call predecessors, (11), 8 states have return successors, (9), 8 states have call predecessors, (9), 7 states have call successors, (9) [2021-11-19 05:27:31,619 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-19 05:27:31,619 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-19 05:27:31,621 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_allocErr0REQUIRES_VIOLATION (73 of 74 remaining) [2021-11-19 05:27:31,622 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_allocErr1REQUIRES_VIOLATION (72 of 74 remaining) [2021-11-19 05:27:31,622 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kref_initErr0REQUIRES_VIOLATION (71 of 74 remaining) [2021-11-19 05:27:31,622 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kref_initErr1REQUIRES_VIOLATION (70 of 74 remaining) [2021-11-19 05:27:31,623 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION (69 of 74 remaining) [2021-11-19 05:27:31,623 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION (68 of 74 remaining) [2021-11-19 05:27:31,623 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION (67 of 74 remaining) [2021-11-19 05:27:31,623 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION (66 of 74 remaining) [2021-11-19 05:27:31,623 INFO L764 garLoopResultBuilder]: Registering result SAFE for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION (65 of 74 remaining) [2021-11-19 05:27:31,624 INFO L764 garLoopResultBuilder]: Registering result SAFE for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION (64 of 74 remaining) [2021-11-19 05:27:31,624 INFO L764 garLoopResultBuilder]: Registering result SAFE for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION (63 of 74 remaining) [2021-11-19 05:27:31,624 INFO L764 garLoopResultBuilder]: Registering result SAFE for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION (62 of 74 remaining) [2021-11-19 05:27:31,624 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr0REQUIRES_VIOLATION (61 of 74 remaining) [2021-11-19 05:27:31,624 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr1REQUIRES_VIOLATION (60 of 74 remaining) [2021-11-19 05:27:31,625 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr2REQUIRES_VIOLATION (59 of 74 remaining) [2021-11-19 05:27:31,625 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr3REQUIRES_VIOLATION (58 of 74 remaining) [2021-11-19 05:27:31,625 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr4REQUIRES_VIOLATION (57 of 74 remaining) [2021-11-19 05:27:31,625 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr5REQUIRES_VIOLATION (56 of 74 remaining) [2021-11-19 05:27:31,625 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr6REQUIRES_VIOLATION (55 of 74 remaining) [2021-11-19 05:27:31,626 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr7REQUIRES_VIOLATION (54 of 74 remaining) [2021-11-19 05:27:31,626 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION (53 of 74 remaining) [2021-11-19 05:27:31,626 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION (52 of 74 remaining) [2021-11-19 05:27:31,626 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_delErr0REQUIRES_VIOLATION (51 of 74 remaining) [2021-11-19 05:27:31,626 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_delErr1REQUIRES_VIOLATION (50 of 74 remaining) [2021-11-19 05:27:31,627 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_delErr2REQUIRES_VIOLATION (49 of 74 remaining) [2021-11-19 05:27:31,627 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_delErr3REQUIRES_VIOLATION (48 of 74 remaining) [2021-11-19 05:27:31,627 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION (47 of 74 remaining) [2021-11-19 05:27:31,627 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION (46 of 74 remaining) [2021-11-19 05:27:31,627 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION (45 of 74 remaining) [2021-11-19 05:27:31,628 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION (44 of 74 remaining) [2021-11-19 05:27:31,628 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_addErr0REQUIRES_VIOLATION (43 of 74 remaining) [2021-11-19 05:27:31,628 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_addErr1REQUIRES_VIOLATION (42 of 74 remaining) [2021-11-19 05:27:31,628 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_destroy_msgsErr0REQUIRES_VIOLATION (41 of 74 remaining) [2021-11-19 05:27:31,628 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_destroy_msgsErr1REQUIRES_VIOLATION (40 of 74 remaining) [2021-11-19 05:27:31,629 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_destroy_msgsErr2REQUIRES_VIOLATION (39 of 74 remaining) [2021-11-19 05:27:31,629 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_destroy_msgsErr3REQUIRES_VIOLATION (38 of 74 remaining) [2021-11-19 05:27:31,629 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_destroy_msgsErr4REQUIRES_VIOLATION (37 of 74 remaining) [2021-11-19 05:27:31,629 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_destroy_msgsErr5REQUIRES_VIOLATION (36 of 74 remaining) [2021-11-19 05:27:31,629 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION (35 of 74 remaining) [2021-11-19 05:27:31,630 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION (34 of 74 remaining) [2021-11-19 05:27:31,630 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr0REQUIRES_VIOLATION (33 of 74 remaining) [2021-11-19 05:27:31,630 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr1REQUIRES_VIOLATION (32 of 74 remaining) [2021-11-19 05:27:31,630 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE (31 of 74 remaining) [2021-11-19 05:27:31,630 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE (30 of 74 remaining) [2021-11-19 05:27:31,631 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE (29 of 74 remaining) [2021-11-19 05:27:31,631 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE (28 of 74 remaining) [2021-11-19 05:27:31,631 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE (27 of 74 remaining) [2021-11-19 05:27:31,631 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE (26 of 74 remaining) [2021-11-19 05:27:31,631 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK (25 of 74 remaining) [2021-11-19 05:27:31,632 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_fillErr0REQUIRES_VIOLATION (24 of 74 remaining) [2021-11-19 05:27:31,632 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_fillErr1REQUIRES_VIOLATION (23 of 74 remaining) [2021-11-19 05:27:31,632 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_fillErr2REQUIRES_VIOLATION (22 of 74 remaining) [2021-11-19 05:27:31,632 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_fillErr3REQUIRES_VIOLATION (21 of 74 remaining) [2021-11-19 05:27:31,632 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_fillErr4REQUIRES_VIOLATION (20 of 74 remaining) [2021-11-19 05:27:31,633 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_fillErr5REQUIRES_VIOLATION (19 of 74 remaining) [2021-11-19 05:27:31,633 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION (18 of 74 remaining) [2021-11-19 05:27:31,633 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION (17 of 74 remaining) [2021-11-19 05:27:31,633 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE (16 of 74 remaining) [2021-11-19 05:27:31,633 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE (15 of 74 remaining) [2021-11-19 05:27:31,634 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE (14 of 74 remaining) [2021-11-19 05:27:31,634 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE (13 of 74 remaining) [2021-11-19 05:27:31,634 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE (12 of 74 remaining) [2021-11-19 05:27:31,634 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE (11 of 74 remaining) [2021-11-19 05:27:31,634 INFO L764 garLoopResultBuilder]: Registering result SAFE for location g5Err0ASSERT_VIOLATIONMEMORY_FREE (10 of 74 remaining) [2021-11-19 05:27:31,635 INFO L764 garLoopResultBuilder]: Registering result SAFE for location g5Err1ASSERT_VIOLATIONMEMORY_FREE (9 of 74 remaining) [2021-11-19 05:27:31,635 INFO L764 garLoopResultBuilder]: Registering result SAFE for location g5Err2ASSERT_VIOLATIONMEMORY_FREE (8 of 74 remaining) [2021-11-19 05:27:31,635 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_createErr0REQUIRES_VIOLATION (7 of 74 remaining) [2021-11-19 05:27:31,635 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_createErr1REQUIRES_VIOLATION (6 of 74 remaining) [2021-11-19 05:27:31,635 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_delErr0REQUIRES_VIOLATION (5 of 74 remaining) [2021-11-19 05:27:31,636 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_delErr1REQUIRES_VIOLATION (4 of 74 remaining) [2021-11-19 05:27:31,636 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_delErr2REQUIRES_VIOLATION (3 of 74 remaining) [2021-11-19 05:27:31,636 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_delErr3REQUIRES_VIOLATION (2 of 74 remaining) [2021-11-19 05:27:31,636 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_add_tailErr0REQUIRES_VIOLATION (1 of 74 remaining) [2021-11-19 05:27:31,636 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_add_tailErr1REQUIRES_VIOLATION (0 of 74 remaining) [2021-11-19 05:27:31,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2021-11-19 05:27:31,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-19 05:27:32,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-19 05:27:32,241 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:27:32,244 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-11-19 05:27:32,246 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-19 05:27:32,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:27:32 BoogieIcfgContainer [2021-11-19 05:27:32,250 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-19 05:27:32,250 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 05:27:32,250 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 05:27:32,250 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 05:27:32,250 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:25:58" (3/4) ... [2021-11-19 05:27:32,253 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-19 05:27:32,258 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_submit_msg [2021-11-19 05:27:32,259 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.setCurrentRoundingMode [2021-11-19 05:27:32,259 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_positive [2021-11-19 05:27:32,259 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint64_identity [2021-11-19 05:27:32,259 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_free [2021-11-19 05:27:32,259 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2021-11-19 05:27:32,259 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2021-11-19 05:27:32,259 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_nonpositive [2021-11-19 05:27:32,259 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2021-11-19 05:27:32,259 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_alloc [2021-11-19 05:27:32,259 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init_internal [2021-11-19 05:27:32,259 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_init [2021-11-19 05:27:32,259 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_fill [2021-11-19 05:27:32,259 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_sub [2021-11-19 05:27:32,259 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_add_return [2021-11-19 05:27:32,259 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2021-11-19 05:27:32,259 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_cleanup [2021-11-19 05:27:32,260 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy [2021-11-19 05:27:32,260 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure LDV_INIT_LIST_HEAD [2021-11-19 05:27:32,260 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure g5 [2021-11-19 05:27:32,260 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_add [2021-11-19 05:27:32,260 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2021-11-19 05:27:32,260 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_set_drvdata [2021-11-19 05:27:32,260 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_create [2021-11-19 05:27:32,260 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_del [2021-11-19 05:27:32,260 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_del [2021-11-19 05:27:32,260 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2021-11-19 05:27:32,260 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_del [2021-11-19 05:27:32,260 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure h5 [2021-11-19 05:27:32,260 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_get [2021-11-19 05:27:32,260 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_put [2021-11-19 05:27:32,260 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint32_identity [2021-11-19 05:27:32,260 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init [2021-11-19 05:27:32,260 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_sub_return [2021-11-19 05:27:32,260 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add_tail [2021-11-19 05:27:32,261 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint16_identity [2021-11-19 05:27:32,261 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure entry_point [2021-11-19 05:27:32,261 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add [2021-11-19 05:27:32,261 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_destroy_msgs [2021-11-19 05:27:32,261 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2021-11-19 05:27:32,261 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure f [2021-11-19 05:27:32,261 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_release [2021-11-19 05:27:32,261 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure g [2021-11-19 05:27:32,261 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2021-11-19 05:27:32,261 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2021-11-19 05:27:32,261 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_put [2021-11-19 05:27:32,261 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_get [2021-11-19 05:27:32,261 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_get_drvdata [2021-11-19 05:27:32,267 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2021-11-19 05:27:32,268 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-11-19 05:27:32,268 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-19 05:27:32,268 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-19 05:27:32,269 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-19 05:27:32,311 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/witness.graphml [2021-11-19 05:27:32,312 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 05:27:32,313 INFO L158 Benchmark]: Toolchain (without parser) took 95913.10ms. Allocated memory was 100.7MB in the beginning and 134.2MB in the end (delta: 33.6MB). Free memory was 64.0MB in the beginning and 38.0MB in the end (delta: 26.0MB). Peak memory consumption was 61.4MB. Max. memory is 16.1GB. [2021-11-19 05:27:32,313 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 100.7MB. Free memory is still 82.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:27:32,313 INFO L158 Benchmark]: CACSL2BoogieTranslator took 676.80ms. Allocated memory is still 100.7MB. Free memory was 63.8MB in the beginning and 66.2MB in the end (delta: -2.4MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2021-11-19 05:27:32,314 INFO L158 Benchmark]: Boogie Preprocessor took 169.85ms. Allocated memory is still 100.7MB. Free memory was 66.2MB in the beginning and 61.5MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-19 05:27:32,314 INFO L158 Benchmark]: RCFGBuilder took 1626.80ms. Allocated memory is still 100.7MB. Free memory was 61.5MB in the beginning and 57.7MB in the end (delta: 3.9MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2021-11-19 05:27:32,315 INFO L158 Benchmark]: TraceAbstraction took 93371.85ms. Allocated memory was 100.7MB in the beginning and 134.2MB in the end (delta: 33.6MB). Free memory was 56.7MB in the beginning and 43.4MB in the end (delta: 13.3MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. [2021-11-19 05:27:32,315 INFO L158 Benchmark]: Witness Printer took 61.97ms. Allocated memory is still 134.2MB. Free memory was 43.4MB in the beginning and 38.0MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-19 05:27:32,317 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 100.7MB. Free memory is still 82.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 676.80ms. Allocated memory is still 100.7MB. Free memory was 63.8MB in the beginning and 66.2MB in the end (delta: -2.4MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 169.85ms. Allocated memory is still 100.7MB. Free memory was 66.2MB in the beginning and 61.5MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1626.80ms. Allocated memory is still 100.7MB. Free memory was 61.5MB in the beginning and 57.7MB in the end (delta: 3.9MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. * TraceAbstraction took 93371.85ms. Allocated memory was 100.7MB in the beginning and 134.2MB in the end (delta: 33.6MB). Free memory was 56.7MB in the beginning and 43.4MB in the end (delta: 13.3MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. * Witness Printer took 61.97ms. Allocated memory is still 134.2MB. Free memory was 43.4MB in the beginning and 38.0MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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: 770]: 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: 763]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 763]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 763]: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 49 procedures, 344 locations, 74 error locations. Started 1 CEGAR loops. OverallTime: 93.3s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 52.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 103 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 94 mSDsluCounter, 862 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 178 IncrementalHoareTripleChecker+Unchecked, 708 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 528 IncrementalHoareTripleChecker+Invalid, 719 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 154 mSDtfsCounter, 528 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 342 GetRequests, 258 SyntacticMatches, 12 SemanticMatches, 72 ConstructedPredicates, 10 IntricatePredicates, 1 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 81.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred in iteration=0, InterpolantAutomatonStates: 61, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 33.3s InterpolantComputationTime, 163 NumberOfCodeBlocks, 163 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 286 ConstructedInterpolants, 24 QuantifiedInterpolants, 1999 SizeOfPredicates, 18 NumberOfNonLiveVariables, 594 ConjunctsInSsa, 100 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 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! [2021-11-19 05:27:32,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a549ffe6-8266-426e-bf94-a217e7950969/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE