./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test11.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3 --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 5ebc2f865d1d3cb7ebe0e5ed79fba8ffec2a41d4 ................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3 --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 5ebc2f865d1d3cb7ebe0e5ed79fba8ffec2a41d4 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-15 20:14:36,778 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 20:14:36,781 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 20:14:36,833 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 20:14:36,833 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 20:14:36,835 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 20:14:36,837 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 20:14:36,841 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 20:14:36,844 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 20:14:36,845 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 20:14:36,847 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 20:14:36,849 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 20:14:36,850 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 20:14:36,851 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 20:14:36,854 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 20:14:36,856 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 20:14:36,857 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 20:14:36,859 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 20:14:36,862 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 20:14:36,865 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 20:14:36,868 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 20:14:36,870 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 20:14:36,872 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 20:14:36,874 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 20:14:36,879 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 20:14:36,880 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 20:14:36,880 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 20:14:36,882 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 20:14:36,883 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 20:14:36,884 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 20:14:36,885 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 20:14:36,886 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 20:14:36,888 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 20:14:36,889 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 20:14:36,891 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 20:14:36,891 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 20:14:36,892 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 20:14:36,893 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 20:14:36,893 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 20:14:36,895 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 20:14:36,896 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 20:14:36,897 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-10-15 20:14:36,935 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 20:14:36,941 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 20:14:36,941 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 20:14:36,942 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 20:14:36,943 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 20:14:36,943 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 20:14:36,944 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 20:14:36,944 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 20:14:36,945 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 20:14:36,946 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-15 20:14:36,947 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 20:14:36,947 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 20:14:36,947 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 20:14:36,949 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-15 20:14:36,949 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-15 20:14:36,949 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-15 20:14:36,950 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 20:14:36,950 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-15 20:14:36,950 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 20:14:36,951 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 20:14:36,951 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 20:14:36,951 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 20:14:36,952 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 20:14:36,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 20:14:36,952 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 20:14:36,953 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 20:14:36,953 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 20:14:36,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-15 20:14:36,954 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 20:14:36,956 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_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ebc2f865d1d3cb7ebe0e5ed79fba8ffec2a41d4 [2021-10-15 20:14:37,304 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 20:14:37,339 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 20:14:37,342 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 20:14:37,344 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 20:14:37,347 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 20:14:37,348 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/ldv-memsafety/memleaks_test11.i [2021-10-15 20:14:37,453 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/data/b86c08071/a2a75df5fe2142a981f8129a72699ba7/FLAGc79ad4fb4 [2021-10-15 20:14:38,168 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 20:14:38,169 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/sv-benchmarks/c/ldv-memsafety/memleaks_test11.i [2021-10-15 20:14:38,196 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/data/b86c08071/a2a75df5fe2142a981f8129a72699ba7/FLAGc79ad4fb4 [2021-10-15 20:14:38,427 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/data/b86c08071/a2a75df5fe2142a981f8129a72699ba7 [2021-10-15 20:14:38,431 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 20:14:38,435 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-15 20:14:38,439 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 20:14:38,440 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 20:14:38,444 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 20:14:38,444 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:14:38" (1/1) ... [2021-10-15 20:14:38,446 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fe6f8b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:14:38, skipping insertion in model container [2021-10-15 20:14:38,446 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:14:38" (1/1) ... [2021-10-15 20:14:38,454 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 20:14:38,514 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 20:14:38,997 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:14:39,019 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-15 20:14:39,020 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@190db5eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:14:39, skipping insertion in model container [2021-10-15 20:14:39,020 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 20:14:39,021 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-15 20:14:39,025 INFO L168 Benchmark]: Toolchain (without parser) took 586.60 ms. Allocated memory was 109.1 MB in the beginning and 134.2 MB in the end (delta: 25.2 MB). Free memory was 76.4 MB in the beginning and 104.4 MB in the end (delta: -28.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-15 20:14:39,026 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 109.1 MB. Free memory is still 61.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:14:39,027 INFO L168 Benchmark]: CACSL2BoogieTranslator took 581.54 ms. Allocated memory was 109.1 MB in the beginning and 134.2 MB in the end (delta: 25.2 MB). Free memory was 76.1 MB in the beginning and 104.4 MB in the end (delta: -28.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-15 20:14:39,029 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 109.1 MB. Free memory is still 61.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 581.54 ms. Allocated memory was 109.1 MB in the beginning and 134.2 MB in the end (delta: 25.2 MB). Free memory was 76.1 MB in the beginning and 104.4 MB in the end (delta: -28.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-5709675 [2021-10-15 20:14:41,641 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 20:14:41,644 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 20:14:41,679 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 20:14:41,680 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 20:14:41,682 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 20:14:41,684 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 20:14:41,687 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 20:14:41,689 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 20:14:41,695 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 20:14:41,696 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 20:14:41,699 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 20:14:41,699 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 20:14:41,700 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 20:14:41,702 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 20:14:41,704 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 20:14:41,705 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 20:14:41,706 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 20:14:41,708 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 20:14:41,717 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 20:14:41,722 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 20:14:41,727 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 20:14:41,731 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 20:14:41,733 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 20:14:41,745 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 20:14:41,745 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 20:14:41,746 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 20:14:41,747 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 20:14:41,748 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 20:14:41,749 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 20:14:41,749 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 20:14:41,750 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 20:14:41,752 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 20:14:41,753 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 20:14:41,754 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 20:14:41,755 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 20:14:41,756 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 20:14:41,756 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 20:14:41,757 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 20:14:41,758 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 20:14:41,759 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 20:14:41,764 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-10-15 20:14:41,823 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 20:14:41,824 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 20:14:41,824 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 20:14:41,825 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 20:14:41,826 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 20:14:41,828 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 20:14:41,829 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 20:14:41,831 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 20:14:41,831 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 20:14:41,831 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-15 20:14:41,833 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 20:14:41,833 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 20:14:41,834 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 20:14:41,834 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-15 20:14:41,834 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-15 20:14:41,834 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-15 20:14:41,835 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 20:14:41,835 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-15 20:14:41,835 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-15 20:14:41,836 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-15 20:14:41,836 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 20:14:41,836 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 20:14:41,836 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 20:14:41,837 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 20:14:41,837 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 20:14:41,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 20:14:41,838 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 20:14:41,838 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 20:14:41,839 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-15 20:14:41,839 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-15 20:14:41,839 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 20:14:41,840 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-15 20:14:41,840 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_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ebc2f865d1d3cb7ebe0e5ed79fba8ffec2a41d4 [2021-10-15 20:14:42,377 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 20:14:42,406 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 20:14:42,409 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 20:14:42,410 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 20:14:42,411 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 20:14:42,413 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/ldv-memsafety/memleaks_test11.i [2021-10-15 20:14:42,493 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/data/79b91ddab/9539e98e2b5e4455bbb7bb3e571b37c9/FLAG5c29a1fe8 [2021-10-15 20:14:43,199 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 20:14:43,200 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/sv-benchmarks/c/ldv-memsafety/memleaks_test11.i [2021-10-15 20:14:43,227 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/data/79b91ddab/9539e98e2b5e4455bbb7bb3e571b37c9/FLAG5c29a1fe8 [2021-10-15 20:14:43,446 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/data/79b91ddab/9539e98e2b5e4455bbb7bb3e571b37c9 [2021-10-15 20:14:43,449 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 20:14:43,451 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-15 20:14:43,453 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 20:14:43,453 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 20:14:43,458 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 20:14:43,459 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:14:43" (1/1) ... [2021-10-15 20:14:43,460 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ca20535 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:14:43, skipping insertion in model container [2021-10-15 20:14:43,461 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:14:43" (1/1) ... [2021-10-15 20:14:43,483 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 20:14:43,563 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 20:14:44,151 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:14:44,174 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-15 20:14:44,190 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 20:14:44,250 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:14:44,260 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 20:14:44,331 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:14:44,444 INFO L208 MainTranslator]: Completed translation [2021-10-15 20:14:44,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:14:44 WrapperNode [2021-10-15 20:14:44,445 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 20:14:44,448 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 20:14:44,448 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 20:14:44,448 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 20:14:44,463 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:14:44" (1/1) ... [2021-10-15 20:14:44,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:14:44" (1/1) ... [2021-10-15 20:14:44,511 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:14:44" (1/1) ... [2021-10-15 20:14:44,512 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:14:44" (1/1) ... [2021-10-15 20:14:44,590 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:14:44" (1/1) ... [2021-10-15 20:14:44,598 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:14:44" (1/1) ... [2021-10-15 20:14:44,606 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:14:44" (1/1) ... [2021-10-15 20:14:44,620 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 20:14:44,622 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 20:14:44,622 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 20:14:44,622 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 20:14:44,623 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:14:44" (1/1) ... [2021-10-15 20:14:44,632 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 20:14:44,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:14:44,672 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 20:14:44,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 20:14:44,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-10-15 20:14:44,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 20:14:44,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-10-15 20:14:44,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-10-15 20:14:44,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-10-15 20:14:44,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-10-15 20:14:44,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-10-15 20:14:44,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-10-15 20:14:44,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-10-15 20:14:44,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-10-15 20:14:44,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-10-15 20:14:44,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-10-15 20:14:44,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-10-15 20:14:44,735 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-10-15 20:14:44,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-10-15 20:14:44,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-10-15 20:14:44,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-10-15 20:14:44,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-10-15 20:14:44,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-10-15 20:14:44,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-10-15 20:14:44,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-10-15 20:14:44,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-10-15 20:14:44,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-10-15 20:14:44,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-10-15 20:14:44,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-10-15 20:14:44,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-10-15 20:14:44,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-10-15 20:14:44,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-10-15 20:14:44,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-10-15 20:14:44,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-10-15 20:14:44,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-10-15 20:14:44,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-10-15 20:14:44,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-10-15 20:14:44,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-10-15 20:14:44,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-10-15 20:14:44,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-10-15 20:14:44,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-10-15 20:14:44,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-10-15 20:14:44,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-10-15 20:14:44,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-10-15 20:14:44,747 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-10-15 20:14:44,747 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-10-15 20:14:44,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_i2c_get_clientdata [2021-10-15 20:14:44,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_i2c_set_clientdata [2021-10-15 20:14:44,749 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_11 [2021-10-15 20:14:44,749 INFO L138 BoogieDeclarations]: Found implementation of procedure free_11 [2021-10-15 20:14:44,749 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-10-15 20:14:44,750 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-10-15 20:14:44,750 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-10-15 20:14:44,751 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-10-15 20:14:44,751 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-10-15 20:14:44,751 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-10-15 20:14:44,751 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-10-15 20:14:44,751 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-10-15 20:14:44,751 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-10-15 20:14:44,752 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-10-15 20:14:44,752 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-10-15 20:14:44,752 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-10-15 20:14:44,753 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-10-15 20:14:44,753 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-10-15 20:14:44,753 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-10-15 20:14:44,754 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-10-15 20:14:44,755 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-10-15 20:14:44,755 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-10-15 20:14:44,756 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-10-15 20:14:44,757 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-10-15 20:14:44,757 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-10-15 20:14:44,757 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-10-15 20:14:44,757 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-10-15 20:14:44,757 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-10-15 20:14:44,757 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-10-15 20:14:44,758 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-10-15 20:14:44,758 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-10-15 20:14:44,758 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-10-15 20:14:44,758 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-10-15 20:14:44,758 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-10-15 20:14:44,758 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-10-15 20:14:44,759 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-10-15 20:14:44,759 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-10-15 20:14:44,760 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-10-15 20:14:44,760 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-10-15 20:14:44,760 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-10-15 20:14:44,761 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-10-15 20:14:44,761 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-10-15 20:14:44,761 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-10-15 20:14:44,761 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-10-15 20:14:44,761 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-10-15 20:14:44,761 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-10-15 20:14:44,762 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-10-15 20:14:44,762 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-10-15 20:14:44,762 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-10-15 20:14:44,762 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-10-15 20:14:44,762 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-10-15 20:14:44,762 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-10-15 20:14:44,762 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-10-15 20:14:44,763 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-10-15 20:14:44,763 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-10-15 20:14:44,763 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-10-15 20:14:44,763 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-10-15 20:14:44,763 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-10-15 20:14:44,764 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-10-15 20:14:44,764 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-10-15 20:14:44,764 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-10-15 20:14:44,764 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-10-15 20:14:44,765 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-10-15 20:14:44,765 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-10-15 20:14:44,765 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-10-15 20:14:44,765 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-10-15 20:14:44,765 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-10-15 20:14:44,765 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-10-15 20:14:44,766 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-10-15 20:14:44,766 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-10-15 20:14:44,766 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-10-15 20:14:44,766 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-10-15 20:14:44,766 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-10-15 20:14:44,766 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-10-15 20:14:44,766 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-10-15 20:14:44,767 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-10-15 20:14:44,767 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-10-15 20:14:44,767 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-10-15 20:14:44,767 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-10-15 20:14:44,768 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-10-15 20:14:44,769 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-10-15 20:14:44,769 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-10-15 20:14:44,773 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-10-15 20:14:44,773 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-10-15 20:14:44,774 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-10-15 20:14:44,774 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-10-15 20:14:44,775 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-10-15 20:14:44,777 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-10-15 20:14:44,777 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-10-15 20:14:44,777 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-10-15 20:14:44,778 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-10-15 20:14:44,783 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-10-15 20:14:44,784 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-10-15 20:14:44,784 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-10-15 20:14:44,784 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-10-15 20:14:44,784 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-10-15 20:14:44,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-10-15 20:14:44,784 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-10-15 20:14:44,784 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-10-15 20:14:44,785 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-10-15 20:14:44,785 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-10-15 20:14:44,785 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-10-15 20:14:44,785 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-10-15 20:14:44,785 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-10-15 20:14:44,785 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-10-15 20:14:44,785 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-10-15 20:14:44,786 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-10-15 20:14:44,786 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-10-15 20:14:44,786 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-10-15 20:14:44,786 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-10-15 20:14:44,786 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-10-15 20:14:44,786 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-10-15 20:14:44,786 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-10-15 20:14:44,787 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-10-15 20:14:44,787 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-10-15 20:14:44,787 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-10-15 20:14:44,787 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-10-15 20:14:44,787 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-10-15 20:14:44,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-10-15 20:14:44,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-10-15 20:14:44,788 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-10-15 20:14:44,788 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-10-15 20:14:44,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-10-15 20:14:44,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-15 20:14:44,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-10-15 20:14:44,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-10-15 20:14:44,788 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-10-15 20:14:44,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-15 20:14:44,789 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-10-15 20:14:44,789 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-10-15 20:14:44,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-10-15 20:14:44,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-15 20:14:44,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-10-15 20:14:44,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-10-15 20:14:44,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-10-15 20:14:44,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-10-15 20:14:44,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-10-15 20:14:44,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-10-15 20:14:44,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-15 20:14:44,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-10-15 20:14:44,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-10-15 20:14:44,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-10-15 20:14:44,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-10-15 20:14:44,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-10-15 20:14:44,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-15 20:14:44,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-15 20:14:44,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-10-15 20:14:44,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-10-15 20:14:44,792 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-10-15 20:14:44,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-10-15 20:14:44,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-10-15 20:14:44,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-10-15 20:14:44,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-10-15 20:14:44,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-10-15 20:14:44,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-10-15 20:14:44,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-10-15 20:14:44,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-10-15 20:14:44,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-10-15 20:14:44,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-10-15 20:14:44,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-10-15 20:14:44,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-10-15 20:14:44,793 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-10-15 20:14:44,794 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-10-15 20:14:44,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_i2c_get_clientdata [2021-10-15 20:14:44,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_i2c_set_clientdata [2021-10-15 20:14:44,796 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_11 [2021-10-15 20:14:44,796 INFO L130 BoogieDeclarations]: Found specification of procedure free_11 [2021-10-15 20:14:44,796 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-10-15 20:14:44,797 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-10-15 20:14:44,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-10-15 20:14:44,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 20:14:44,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-15 20:14:44,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 20:14:44,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-10-15 20:14:44,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-15 20:14:44,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-15 20:14:44,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-10-15 20:14:44,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-10-15 20:14:45,587 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-15 20:14:46,039 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-15 20:14:46,505 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 20:14:46,505 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-10-15 20:14:46,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:14:46 BoogieIcfgContainer [2021-10-15 20:14:46,509 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 20:14:46,511 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 20:14:46,511 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 20:14:46,515 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 20:14:46,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 08:14:43" (1/3) ... [2021-10-15 20:14:46,516 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55f4aa7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:14:46, skipping insertion in model container [2021-10-15 20:14:46,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:14:44" (2/3) ... [2021-10-15 20:14:46,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55f4aa7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:14:46, skipping insertion in model container [2021-10-15 20:14:46,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:14:46" (3/3) ... [2021-10-15 20:14:46,519 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test11.i [2021-10-15 20:14:46,525 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 20:14:46,526 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 93 error locations. [2021-10-15 20:14:46,603 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 20:14:46,609 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, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-15 20:14:46,609 INFO L340 AbstractCegarLoop]: Starting to check reachability of 93 error locations. [2021-10-15 20:14:46,631 INFO L276 IsEmpty]: Start isEmpty. Operand has 178 states, 96 states have (on average 1.5729166666666667) internal successors, (151), 140 states have internal predecessors, (151), 21 states have call successors, (21), 16 states have call predecessors, (21), 16 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2021-10-15 20:14:46,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-15 20:14:46,640 INFO L504 BasicCegarLoop]: Found error trace [2021-10-15 20:14:46,641 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:14:46,641 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 89 more)] === [2021-10-15 20:14:46,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:14:46,648 INFO L82 PathProgramCache]: Analyzing trace with hash -1516499371, now seen corresponding path program 1 times [2021-10-15 20:14:46,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-15 20:14:46,663 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1009811567] [2021-10-15 20:14:46,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:14:46,664 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-15 20:14:46,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/mathsat [2021-10-15 20:14:46,668 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-15 20:14:46,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-15 20:14:46,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:14:46,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-15 20:14:46,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:14:47,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 20:14:47,080 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-15 20:14:47,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 20:14:47,248 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-15 20:14:47,252 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1009811567] [2021-10-15 20:14:47,253 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1009811567] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-15 20:14:47,253 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-15 20:14:47,254 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-15 20:14:47,256 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100321739] [2021-10-15 20:14:47,263 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-15 20:14:47,264 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-15 20:14:47,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-15 20:14:47,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-15 20:14:47,290 INFO L87 Difference]: Start difference. First operand has 178 states, 96 states have (on average 1.5729166666666667) internal successors, (151), 140 states have internal predecessors, (151), 21 states have call successors, (21), 16 states have call predecessors, (21), 16 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-15 20:14:47,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:14:47,448 INFO L93 Difference]: Finished difference Result 146 states and 167 transitions. [2021-10-15 20:14:47,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-15 20:14:47,450 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 16 [2021-10-15 20:14:47,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-15 20:14:47,468 INFO L225 Difference]: With dead ends: 146 [2021-10-15 20:14:47,468 INFO L226 Difference]: Without dead ends: 143 [2021-10-15 20:14:47,470 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 22.6ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-15 20:14:47,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2021-10-15 20:14:47,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 109. [2021-10-15 20:14:47,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 58 states have (on average 1.5517241379310345) internal successors, (90), 84 states have internal predecessors, (90), 14 states have call successors, (14), 10 states have call predecessors, (14), 10 states have return successors, (17), 14 states have call predecessors, (17), 13 states have call successors, (17) [2021-10-15 20:14:47,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 121 transitions. [2021-10-15 20:14:47,539 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 121 transitions. Word has length 16 [2021-10-15 20:14:47,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-15 20:14:47,539 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 121 transitions. [2021-10-15 20:14:47,540 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-15 20:14:47,540 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 121 transitions. [2021-10-15 20:14:47,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-15 20:14:47,542 INFO L504 BasicCegarLoop]: Found error trace [2021-10-15 20:14:47,542 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:14:47,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-15 20:14:47,756 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 [2021-10-15 20:14:47,757 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 89 more)] === [2021-10-15 20:14:47,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:14:47,757 INFO L82 PathProgramCache]: Analyzing trace with hash 226310964, now seen corresponding path program 1 times [2021-10-15 20:14:47,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-15 20:14:47,758 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [597191818] [2021-10-15 20:14:47,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:14:47,758 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-15 20:14:47,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/mathsat [2021-10-15 20:14:47,781 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-15 20:14:47,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-15 20:14:47,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:14:47,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-15 20:14:47,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:14:48,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 20:14:48,054 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-15 20:14:48,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 20:14:48,176 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-15 20:14:48,176 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [597191818] [2021-10-15 20:14:48,177 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [597191818] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-15 20:14:48,177 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-15 20:14:48,177 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-15 20:14:48,178 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577848056] [2021-10-15 20:14:48,185 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-15 20:14:48,186 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-15 20:14:48,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-15 20:14:48,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:14:48,191 INFO L87 Difference]: Start difference. First operand 109 states and 121 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-10-15 20:14:48,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:14:48,478 INFO L93 Difference]: Finished difference Result 158 states and 182 transitions. [2021-10-15 20:14:48,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-15 20:14:48,479 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 16 [2021-10-15 20:14:48,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-15 20:14:48,483 INFO L225 Difference]: With dead ends: 158 [2021-10-15 20:14:48,483 INFO L226 Difference]: Without dead ends: 155 [2021-10-15 20:14:48,483 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 20:14:48,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2021-10-15 20:14:48,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 105. [2021-10-15 20:14:48,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 55 states have (on average 1.5636363636363637) internal successors, (86), 81 states have internal predecessors, (86), 14 states have call successors, (14), 10 states have call predecessors, (14), 9 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2021-10-15 20:14:48,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 113 transitions. [2021-10-15 20:14:48,501 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 113 transitions. Word has length 16 [2021-10-15 20:14:48,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-15 20:14:48,501 INFO L470 AbstractCegarLoop]: Abstraction has 105 states and 113 transitions. [2021-10-15 20:14:48,502 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-10-15 20:14:48,502 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 113 transitions. [2021-10-15 20:14:48,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-15 20:14:48,503 INFO L504 BasicCegarLoop]: Found error trace [2021-10-15 20:14:48,503 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:14:48,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-15 20:14:48,716 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 [2021-10-15 20:14:48,717 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting entry_pointErr10ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 89 more)] === [2021-10-15 20:14:48,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:14:48,717 INFO L82 PathProgramCache]: Analyzing trace with hash -1524206166, now seen corresponding path program 1 times [2021-10-15 20:14:48,718 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-15 20:14:48,718 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1957508908] [2021-10-15 20:14:48,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:14:48,718 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-15 20:14:48,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/mathsat [2021-10-15 20:14:48,720 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-15 20:14:48,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-15 20:14:48,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:14:48,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-15 20:14:48,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:14:49,019 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-15 20:14:49,020 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-15 20:14:49,121 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-15 20:14:49,122 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-15 20:14:49,122 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1957508908] [2021-10-15 20:14:49,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1957508908] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-15 20:14:49,122 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-15 20:14:49,122 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-15 20:14:49,123 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969959723] [2021-10-15 20:14:49,124 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-15 20:14:49,124 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-15 20:14:49,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-15 20:14:49,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-15 20:14:49,128 INFO L87 Difference]: Start difference. First operand 105 states and 113 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-15 20:14:49,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:14:49,227 INFO L93 Difference]: Finished difference Result 140 states and 157 transitions. [2021-10-15 20:14:49,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-15 20:14:49,228 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 21 [2021-10-15 20:14:49,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-15 20:14:49,231 INFO L225 Difference]: With dead ends: 140 [2021-10-15 20:14:49,231 INFO L226 Difference]: Without dead ends: 140 [2021-10-15 20:14:49,231 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.7ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-15 20:14:49,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-10-15 20:14:49,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 109. [2021-10-15 20:14:49,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 58 states have (on average 1.5344827586206897) internal successors, (89), 84 states have internal predecessors, (89), 14 states have call successors, (14), 10 states have call predecessors, (14), 10 states have return successors, (17), 14 states have call predecessors, (17), 13 states have call successors, (17) [2021-10-15 20:14:49,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 120 transitions. [2021-10-15 20:14:49,245 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 120 transitions. Word has length 21 [2021-10-15 20:14:49,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-15 20:14:49,246 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 120 transitions. [2021-10-15 20:14:49,246 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-15 20:14:49,247 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 120 transitions. [2021-10-15 20:14:49,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-15 20:14:49,248 INFO L504 BasicCegarLoop]: Found error trace [2021-10-15 20:14:49,248 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:14:49,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-15 20:14:49,464 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 [2021-10-15 20:14:49,464 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting entry_pointErr0REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 89 more)] === [2021-10-15 20:14:49,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:14:49,465 INFO L82 PathProgramCache]: Analyzing trace with hash -1524206133, now seen corresponding path program 1 times [2021-10-15 20:14:49,465 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-15 20:14:49,465 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1007895403] [2021-10-15 20:14:49,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:14:49,466 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-15 20:14:49,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/mathsat [2021-10-15 20:14:49,467 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-15 20:14:49,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-15 20:14:49,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:14:49,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-15 20:14:49,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:14:49,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-15 20:14:49,939 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-10-15 20:14:49,940 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 1 case distinctions, treesize of input 16 treesize of output 21 [2021-10-15 20:14:49,996 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 20:14:49,996 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-15 20:14:50,371 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 20:14:50,371 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-15 20:14:50,372 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1007895403] [2021-10-15 20:14:50,372 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1007895403] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-15 20:14:50,372 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-15 20:14:50,372 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2021-10-15 20:14:50,372 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525103408] [2021-10-15 20:14:50,373 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-15 20:14:50,373 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-15 20:14:50,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-15 20:14:50,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-10-15 20:14:50,374 INFO L87 Difference]: Start difference. First operand 109 states and 120 transitions. Second operand has 8 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2021-10-15 20:14:51,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:14:51,707 INFO L93 Difference]: Finished difference Result 205 states and 236 transitions. [2021-10-15 20:14:51,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-15 20:14:51,707 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 21 [2021-10-15 20:14:51,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-15 20:14:51,711 INFO L225 Difference]: With dead ends: 205 [2021-10-15 20:14:51,711 INFO L226 Difference]: Without dead ends: 205 [2021-10-15 20:14:51,712 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 31 SyntacticMatches, 5 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 273.2ms TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2021-10-15 20:14:51,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2021-10-15 20:14:51,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 124. [2021-10-15 20:14:51,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 71 states have (on average 1.5070422535211268) internal successors, (107), 95 states have internal predecessors, (107), 15 states have call successors, (15), 11 states have call predecessors, (15), 11 states have return successors, (19), 17 states have call predecessors, (19), 14 states have call successors, (19) [2021-10-15 20:14:51,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 141 transitions. [2021-10-15 20:14:51,731 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 141 transitions. Word has length 21 [2021-10-15 20:14:51,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-15 20:14:51,732 INFO L470 AbstractCegarLoop]: Abstraction has 124 states and 141 transitions. [2021-10-15 20:14:51,732 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2021-10-15 20:14:51,732 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 141 transitions. [2021-10-15 20:14:51,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-15 20:14:51,734 INFO L504 BasicCegarLoop]: Found error trace [2021-10-15 20:14:51,734 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:14:51,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-15 20:14:51,948 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 [2021-10-15 20:14:51,948 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting entry_pointErr1REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 89 more)] === [2021-10-15 20:14:51,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:14:51,949 INFO L82 PathProgramCache]: Analyzing trace with hash -1524206132, now seen corresponding path program 1 times [2021-10-15 20:14:51,949 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-15 20:14:51,949 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1955406581] [2021-10-15 20:14:51,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:14:51,949 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-15 20:14:51,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/mathsat [2021-10-15 20:14:51,951 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-15 20:14:51,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-15 20:14:52,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:14:52,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-15 20:14:52,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:14:52,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-15 20:14:52,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-15 20:14:54,652 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-10-15 20:14:54,653 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 1 case distinctions, treesize of input 34 treesize of output 36 [2021-10-15 20:14:54,668 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-15 20:14:54,669 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 28 [2021-10-15 20:14:54,742 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 20:14:54,743 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-15 20:15:15,944 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 28 treesize of output 26 [2021-10-15 20:15:16,073 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 20:15:16,074 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-15 20:15:16,074 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1955406581] [2021-10-15 20:15:16,074 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1955406581] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-15 20:15:16,074 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-15 20:15:16,074 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2021-10-15 20:15:16,074 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564222730] [2021-10-15 20:15:16,075 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-10-15 20:15:16,075 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-15 20:15:16,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-15 20:15:16,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=194, Unknown=8, NotChecked=0, Total=240 [2021-10-15 20:15:16,076 INFO L87 Difference]: Start difference. First operand 124 states and 141 transitions. Second operand has 16 states, 15 states have (on average 1.6) internal successors, (24), 14 states have internal predecessors, (24), 3 states have call successors, (6), 3 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2021-10-15 20:21:20,012 WARN L207 SmtUtils]: Spent 10.07 s on a formula simplification that was a NOOP. DAG size: 74 [2021-10-15 20:21:44,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:21:44,816 INFO L93 Difference]: Finished difference Result 301 states and 356 transitions. [2021-10-15 20:21:44,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-15 20:21:44,818 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.6) internal successors, (24), 14 states have internal predecessors, (24), 3 states have call successors, (6), 3 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) Word has length 21 [2021-10-15 20:21:44,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-15 20:21:44,822 INFO L225 Difference]: With dead ends: 301 [2021-10-15 20:21:44,822 INFO L226 Difference]: Without dead ends: 301 [2021-10-15 20:21:44,823 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 103173.7ms TimeCoverageRelationStatistics Valid=160, Invalid=802, Unknown=30, NotChecked=0, Total=992 [2021-10-15 20:21:44,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2021-10-15 20:21:44,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 138. [2021-10-15 20:21:44,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 82 states have (on average 1.524390243902439) internal successors, (125), 106 states have internal predecessors, (125), 18 states have call successors, (18), 11 states have call predecessors, (18), 11 states have return successors, (23), 20 states have call predecessors, (23), 17 states have call successors, (23) [2021-10-15 20:21:44,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 166 transitions. [2021-10-15 20:21:44,856 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 166 transitions. Word has length 21 [2021-10-15 20:21:44,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-15 20:21:44,857 INFO L470 AbstractCegarLoop]: Abstraction has 138 states and 166 transitions. [2021-10-15 20:21:44,858 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.6) internal successors, (24), 14 states have internal predecessors, (24), 3 states have call successors, (6), 3 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2021-10-15 20:21:44,858 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 166 transitions. [2021-10-15 20:21:44,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-15 20:21:44,859 INFO L504 BasicCegarLoop]: Found error trace [2021-10-15 20:21:44,859 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:21:44,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-15 20:21:45,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 [2021-10-15 20:21:45,070 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting entry_pointErr0REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 89 more)] === [2021-10-15 20:21:45,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:21:45,070 INFO L82 PathProgramCache]: Analyzing trace with hash -1817609140, now seen corresponding path program 1 times [2021-10-15 20:21:45,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-15 20:21:45,071 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [243928768] [2021-10-15 20:21:45,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:21:45,071 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-15 20:21:45,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/mathsat [2021-10-15 20:21:45,074 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-15 20:21:45,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-15 20:21:45,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:21:45,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-15 20:21:45,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:21:45,430 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 20:21:45,430 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-15 20:21:45,594 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-15 20:21:45,594 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-15 20:21:45,594 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [243928768] [2021-10-15 20:21:45,594 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [243928768] provided 1 perfect and 1 imperfect interpolant sequences [2021-10-15 20:21:45,595 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-15 20:21:45,595 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2021-10-15 20:21:45,595 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135431961] [2021-10-15 20:21:45,596 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-15 20:21:45,596 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-15 20:21:45,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-15 20:21:45,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-15 20:21:45,597 INFO L87 Difference]: Start difference. First operand 138 states and 166 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-10-15 20:21:45,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:21:45,654 INFO L93 Difference]: Finished difference Result 129 states and 151 transitions. [2021-10-15 20:21:45,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-15 20:21:45,655 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21 [2021-10-15 20:21:45,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-15 20:21:45,656 INFO L225 Difference]: With dead ends: 129 [2021-10-15 20:21:45,657 INFO L226 Difference]: Without dead ends: 125 [2021-10-15 20:21:45,657 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 44.0ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-15 20:21:45,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2021-10-15 20:21:45,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2021-10-15 20:21:45,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 74 states have (on average 1.527027027027027) internal successors, (113), 96 states have internal predecessors, (113), 16 states have call successors, (16), 11 states have call predecessors, (16), 10 states have return successors, (18), 17 states have call predecessors, (18), 15 states have call successors, (18) [2021-10-15 20:21:45,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 147 transitions. [2021-10-15 20:21:45,668 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 147 transitions. Word has length 21 [2021-10-15 20:21:45,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-15 20:21:45,668 INFO L470 AbstractCegarLoop]: Abstraction has 125 states and 147 transitions. [2021-10-15 20:21:45,668 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-10-15 20:21:45,669 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 147 transitions. [2021-10-15 20:21:45,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-15 20:21:45,670 INFO L504 BasicCegarLoop]: Found error trace [2021-10-15 20:21:45,670 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:21:45,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-15 20:21:45,891 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 [2021-10-15 20:21:45,892 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting entry_pointErr11ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 89 more)] === [2021-10-15 20:21:45,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:21:45,893 INFO L82 PathProgramCache]: Analyzing trace with hash 881753269, now seen corresponding path program 1 times [2021-10-15 20:21:45,893 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-15 20:21:45,893 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [808670507] [2021-10-15 20:21:45,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:21:45,893 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-15 20:21:45,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/mathsat [2021-10-15 20:21:45,894 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-15 20:21:45,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-15 20:21:46,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:21:46,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-15 20:21:46,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:21:46,552 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 20:21:46,552 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-15 20:21:46,863 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-15 20:21:46,863 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-15 20:21:46,863 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [808670507] [2021-10-15 20:21:46,863 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [808670507] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-15 20:21:46,864 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-15 20:21:46,864 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 9 [2021-10-15 20:21:46,864 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403931910] [2021-10-15 20:21:46,864 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-15 20:21:46,865 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-15 20:21:46,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-15 20:21:46,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-10-15 20:21:46,866 INFO L87 Difference]: Start difference. First operand 125 states and 147 transitions. Second operand has 10 states, 9 states have (on average 3.0) internal successors, (27), 8 states have internal predecessors, (27), 4 states have call successors, (9), 3 states have call predecessors, (9), 5 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2021-10-15 20:21:47,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:21:47,474 INFO L93 Difference]: Finished difference Result 124 states and 145 transitions. [2021-10-15 20:21:47,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-15 20:21:47,475 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.0) internal successors, (27), 8 states have internal predecessors, (27), 4 states have call successors, (9), 3 states have call predecessors, (9), 5 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) Word has length 22 [2021-10-15 20:21:47,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-15 20:21:47,477 INFO L225 Difference]: With dead ends: 124 [2021-10-15 20:21:47,477 INFO L226 Difference]: Without dead ends: 124 [2021-10-15 20:21:47,478 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 294.6ms TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2021-10-15 20:21:47,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2021-10-15 20:21:47,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2021-10-15 20:21:47,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 74 states have (on average 1.5) internal successors, (111), 95 states have internal predecessors, (111), 16 states have call successors, (16), 11 states have call predecessors, (16), 10 states have return successors, (18), 17 states have call predecessors, (18), 15 states have call successors, (18) [2021-10-15 20:21:47,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 145 transitions. [2021-10-15 20:21:47,488 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 145 transitions. Word has length 22 [2021-10-15 20:21:47,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-15 20:21:47,488 INFO L470 AbstractCegarLoop]: Abstraction has 124 states and 145 transitions. [2021-10-15 20:21:47,489 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.0) internal successors, (27), 8 states have internal predecessors, (27), 4 states have call successors, (9), 3 states have call predecessors, (9), 5 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2021-10-15 20:21:47,489 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 145 transitions. [2021-10-15 20:21:47,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-15 20:21:47,490 INFO L504 BasicCegarLoop]: Found error trace [2021-10-15 20:21:47,490 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:21:47,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-15 20:21:47,702 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 [2021-10-15 20:21:47,703 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 89 more)] === [2021-10-15 20:21:47,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:21:47,703 INFO L82 PathProgramCache]: Analyzing trace with hash 466132951, now seen corresponding path program 1 times [2021-10-15 20:21:47,703 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-15 20:21:47,703 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [287407047] [2021-10-15 20:21:47,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:21:47,704 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-15 20:21:47,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/mathsat [2021-10-15 20:21:47,705 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-15 20:21:47,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-15 20:21:47,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:21:47,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-15 20:21:47,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:21:47,991 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-10-15 20:21:47,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2021-10-15 20:21:52,697 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-15 20:21:52,697 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-15 20:21:57,013 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_8| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_8| |c_#valid|) (exists ((v_entry_point_~c11~0.base_29 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_8| (store |c_old(#valid)| v_entry_point_~c11~0.base_29 (_ bv0 1)))) (= (_ bv0 1) (bvneg (bvneg (bvneg (select |c_old(#valid)| v_entry_point_~c11~0.base_29))))))))) is different from false [2021-10-15 20:21:57,120 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_8| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_8| (store |c_#valid| c_entry_point_~c11~0.base (_ bv0 1))) (exists ((v_entry_point_~c11~0.base_29 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_8| (store |c_old(#valid)| v_entry_point_~c11~0.base_29 (_ bv0 1)))) (= (_ bv0 1) (bvneg (bvneg (bvneg (select |c_old(#valid)| v_entry_point_~c11~0.base_29))))))))) is different from false [2021-10-15 20:21:57,485 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-15 20:21:57,485 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [287407047] [2021-10-15 20:21:57,486 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Substitution failed: {(= (store |v_old(#valid)_BEFORE_CALL_9| v_entry_point_~c11~0.base_29 (_ bv0 1)) v_prenex_1)=(= (select (store |v_old(#valid)_BEFORE_CALL_9| v_entry_point_~c11~0.base_29 (_ bv0 1)) v_antiDerIndex_entry0_1) (select v_prenex_1 v_antiDerIndex_entry0_1))} [2021-10-15 20:21:57,486 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1821309310] [2021-10-15 20:21:57,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:21:57,487 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-15 20:21:57,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/cvc4 [2021-10-15 20:21:57,492 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-15 20:21:57,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2021-10-15 20:21:58,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:21:58,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-15 20:21:58,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:21:58,058 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-10-15 20:21:58,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 27 [2021-10-15 20:21:58,553 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-15 20:21:58,553 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-15 20:22:09,410 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Substitution failed: {(= (store |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~c11~0.base_29 (_ bv0 1)) v_prenex_5)=(= (select v_prenex_5 v_antiDerIndex_entry0_2) (select (store |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~c11~0.base_29 (_ bv0 1)) v_antiDerIndex_entry0_2))} [2021-10-15 20:22:09,411 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2006554799] [2021-10-15 20:22:09,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:22:09,411 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-15 20:22:09,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:22:09,419 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-15 20:22:09,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-10-15 20:22:09,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:22:09,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-15 20:22:09,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:22:12,220 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-15 20:22:12,220 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-15 20:22:23,524 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Substitution failed: {(= (store |v_old(#valid)_BEFORE_CALL_19| v_entry_point_~c11~0.base_29 (_ bv0 1)) v_prenex_9)=(= (select v_prenex_9 v_antiDerIndex_entry0_3) (select (store |v_old(#valid)_BEFORE_CALL_19| v_entry_point_~c11~0.base_29 (_ bv0 1)) v_antiDerIndex_entry0_3))} [2021-10-15 20:22:23,524 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2021-10-15 20:22:23,524 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-10-15 20:22:23,524 ERROR L172 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2021-10-15 20:22:23,525 INFO L626 BasicCegarLoop]: Counterexample might be feasible [2021-10-15 20:22:23,533 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK [2021-10-15 20:22:23,535 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr0REQUIRES_VIOLATION [2021-10-15 20:22:23,535 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr1REQUIRES_VIOLATION [2021-10-15 20:22:23,536 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr0REQUIRES_VIOLATION [2021-10-15 20:22:23,536 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr1REQUIRES_VIOLATION [2021-10-15 20:22:23,536 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION [2021-10-15 20:22:23,536 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION [2021-10-15 20:22:23,536 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION [2021-10-15 20:22:23,537 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION [2021-10-15 20:22:23,537 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION [2021-10-15 20:22:23,537 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION [2021-10-15 20:22:23,537 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION [2021-10-15 20:22:23,538 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION [2021-10-15 20:22:23,538 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr0REQUIRES_VIOLATION [2021-10-15 20:22:23,538 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr1REQUIRES_VIOLATION [2021-10-15 20:22:23,538 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr2REQUIRES_VIOLATION [2021-10-15 20:22:23,539 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr3REQUIRES_VIOLATION [2021-10-15 20:22:23,539 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr4REQUIRES_VIOLATION [2021-10-15 20:22:23,539 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr5REQUIRES_VIOLATION [2021-10-15 20:22:23,539 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr6REQUIRES_VIOLATION [2021-10-15 20:22:23,539 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr7REQUIRES_VIOLATION [2021-10-15 20:22:23,540 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION [2021-10-15 20:22:23,540 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION [2021-10-15 20:22:23,540 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr0REQUIRES_VIOLATION [2021-10-15 20:22:23,540 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr1REQUIRES_VIOLATION [2021-10-15 20:22:23,541 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr2REQUIRES_VIOLATION [2021-10-15 20:22:23,541 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr3REQUIRES_VIOLATION [2021-10-15 20:22:23,541 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION [2021-10-15 20:22:23,541 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION [2021-10-15 20:22:23,541 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION [2021-10-15 20:22:23,542 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION [2021-10-15 20:22:23,542 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr0REQUIRES_VIOLATION [2021-10-15 20:22:23,542 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr1REQUIRES_VIOLATION [2021-10-15 20:22:23,542 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr0REQUIRES_VIOLATION [2021-10-15 20:22:23,542 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr1REQUIRES_VIOLATION [2021-10-15 20:22:23,543 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr2REQUIRES_VIOLATION [2021-10-15 20:22:23,543 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr3REQUIRES_VIOLATION [2021-10-15 20:22:23,543 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr4REQUIRES_VIOLATION [2021-10-15 20:22:23,543 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr5REQUIRES_VIOLATION [2021-10-15 20:22:23,543 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_11Err0REQUIRES_VIOLATION [2021-10-15 20:22:23,544 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_11Err1REQUIRES_VIOLATION [2021-10-15 20:22:23,544 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_11Err2REQUIRES_VIOLATION [2021-10-15 20:22:23,544 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_11Err3REQUIRES_VIOLATION [2021-10-15 20:22:23,544 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_11Err4REQUIRES_VIOLATION [2021-10-15 20:22:23,545 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_11Err5REQUIRES_VIOLATION [2021-10-15 20:22:23,545 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION [2021-10-15 20:22:23,545 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION [2021-10-15 20:22:23,545 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr0REQUIRES_VIOLATION [2021-10-15 20:22:23,545 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr1REQUIRES_VIOLATION [2021-10-15 20:22:23,546 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-15 20:22:23,546 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-15 20:22:23,546 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-15 20:22:23,546 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-15 20:22:23,547 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-15 20:22:23,547 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-15 20:22:23,547 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr0REQUIRES_VIOLATION [2021-10-15 20:22:23,547 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr1REQUIRES_VIOLATION [2021-10-15 20:22:23,547 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr2REQUIRES_VIOLATION [2021-10-15 20:22:23,548 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr3REQUIRES_VIOLATION [2021-10-15 20:22:23,548 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr4REQUIRES_VIOLATION [2021-10-15 20:22:23,548 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr5REQUIRES_VIOLATION [2021-10-15 20:22:23,548 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION [2021-10-15 20:22:23,548 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION [2021-10-15 20:22:23,549 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-15 20:22:23,549 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-15 20:22:23,549 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-15 20:22:23,550 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-15 20:22:23,550 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-15 20:22:23,550 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-15 20:22:23,550 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr0REQUIRES_VIOLATION [2021-10-15 20:22:23,550 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr1REQUIRES_VIOLATION [2021-10-15 20:22:23,551 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr0REQUIRES_VIOLATION [2021-10-15 20:22:23,551 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr1REQUIRES_VIOLATION [2021-10-15 20:22:23,551 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr2REQUIRES_VIOLATION [2021-10-15 20:22:23,551 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr3REQUIRES_VIOLATION [2021-10-15 20:22:23,552 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_11Err0ASSERT_VIOLATIONMEMORY_FREE [2021-10-15 20:22:23,552 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_11Err1ASSERT_VIOLATIONMEMORY_FREE [2021-10-15 20:22:23,552 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_11Err2ASSERT_VIOLATIONMEMORY_FREE [2021-10-15 20:22:23,552 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr0REQUIRES_VIOLATION [2021-10-15 20:22:23,552 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr1REQUIRES_VIOLATION [2021-10-15 20:22:23,553 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr0REQUIRES_VIOLATION [2021-10-15 20:22:23,553 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr1REQUIRES_VIOLATION [2021-10-15 20:22:23,553 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr2REQUIRES_VIOLATION [2021-10-15 20:22:23,553 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr3REQUIRES_VIOLATION [2021-10-15 20:22:23,553 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-15 20:22:23,554 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-15 20:22:23,554 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-15 20:22:23,554 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-15 20:22:23,554 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr8ASSERT_VIOLATIONMEMORY_FREE [2021-10-15 20:22:23,555 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr9ASSERT_VIOLATIONMEMORY_FREE [2021-10-15 20:22:23,555 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr10ASSERT_VIOLATIONMEMORY_FREE [2021-10-15 20:22:23,555 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr11ASSERT_VIOLATIONMEMORY_FREE [2021-10-15 20:22:23,555 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE [2021-10-15 20:22:23,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-15 20:22:23,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2021-10-15 20:22:23,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2021-10-15 20:22:24,169 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/cvc4 --incremental --print-success --lang smt,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-15 20:22:24,177 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-15 20:22:24,180 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2021-10-15 20:22:24,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 08:22:24 BoogieIcfgContainer [2021-10-15 20:22:24,189 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-15 20:22:24,190 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-15 20:22:24,190 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-15 20:22:24,190 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-15 20:22:24,206 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:14:46" (3/4) ... [2021-10-15 20:22:24,210 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-15 20:22:24,210 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-15 20:22:24,212 INFO L168 Benchmark]: Toolchain (without parser) took 460760.53 ms. Allocated memory was 56.6 MB in the beginning and 121.6 MB in the end (delta: 65.0 MB). Free memory was 33.2 MB in the beginning and 40.1 MB in the end (delta: -7.0 MB). Peak memory consumption was 57.7 MB. Max. memory is 16.1 GB. [2021-10-15 20:22:24,212 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 56.6 MB. Free memory is still 38.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:22:24,213 INFO L168 Benchmark]: CACSL2BoogieTranslator took 993.10 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 32.9 MB in the beginning and 50.4 MB in the end (delta: -17.5 MB). Peak memory consumption was 14.6 MB. Max. memory is 16.1 GB. [2021-10-15 20:22:24,213 INFO L168 Benchmark]: Boogie Preprocessor took 172.77 ms. Allocated memory is still 69.2 MB. Free memory was 50.4 MB in the beginning and 45.4 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-15 20:22:24,213 INFO L168 Benchmark]: RCFGBuilder took 1888.00 ms. Allocated memory is still 69.2 MB. Free memory was 45.4 MB in the beginning and 30.2 MB in the end (delta: 15.2 MB). Peak memory consumption was 20.1 MB. Max. memory is 16.1 GB. [2021-10-15 20:22:24,214 INFO L168 Benchmark]: TraceAbstraction took 457677.83 ms. Allocated memory was 69.2 MB in the beginning and 121.6 MB in the end (delta: 52.4 MB). Free memory was 29.9 MB in the beginning and 40.1 MB in the end (delta: -10.2 MB). Peak memory consumption was 41.8 MB. Max. memory is 16.1 GB. [2021-10-15 20:22:24,214 INFO L168 Benchmark]: Witness Printer took 20.91 ms. Allocated memory is still 121.6 MB. Free memory is still 40.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:22:24,216 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 56.6 MB. Free memory is still 38.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 993.10 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 32.9 MB in the beginning and 50.4 MB in the end (delta: -17.5 MB). Peak memory consumption was 14.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 172.77 ms. Allocated memory is still 69.2 MB. Free memory was 50.4 MB in the beginning and 45.4 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1888.00 ms. Allocated memory is still 69.2 MB. Free memory was 45.4 MB in the beginning and 30.2 MB in the end (delta: 15.2 MB). Peak memory consumption was 20.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 457677.83 ms. Allocated memory was 69.2 MB in the beginning and 121.6 MB in the end (delta: 52.4 MB). Free memory was 29.9 MB in the beginning and 40.1 MB in the end (delta: -10.2 MB). Peak memory consumption was 41.8 MB. Max. memory is 16.1 GB. * Witness Printer took 20.91 ms. Allocated memory is still 121.6 MB. Free memory is still 40.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 822]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: unable to decide satisfiability of path constraint, overapproximation of memtrack at line 822. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L823] CALL entry_point() [L802] CALL, EXPR ldv_malloc(sizeof(struct ldv_i2c_client)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L802] RET, EXPR ldv_malloc(sizeof(struct ldv_i2c_client)) [L802] struct ldv_i2c_client *c11 = (struct ldv_i2c_client *)ldv_malloc(sizeof(struct ldv_i2c_client)); [L803] COND FALSE !(!c11) [L805] CALL, EXPR ldv_malloc(sizeof(struct ldv_m88ts2022_config)) [L526] COND FALSE !(__VERIFIER_nondet_int()) [L529] return 0; [L805] RET, EXPR ldv_malloc(sizeof(struct ldv_m88ts2022_config)) [L804-L805] struct ldv_m88ts2022_config *cfg = (struct ldv_m88ts2022_config *) ldv_malloc(sizeof(struct ldv_m88ts2022_config)); [L806] COND TRUE !cfg [L818] free(c11) [L818] free(c11) [L818] free(c11) [L823] RET entry_point() - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 784]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 784]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 785]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 785]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 788]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 788]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 798]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 798]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 798]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 807]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 807]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 811]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 811]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 814]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 814]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 814]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 816]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 816]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 816]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 818]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 818]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 818]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 51 procedures, 405 locations, 93 error locations. Started 1 CEGAR loops. OverallTime: 457573.7ms, OverallIterations: 8, TraceHistogramMax: 2, EmptinessCheckTime: 23.7ms, AutomataDifference: 391369.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 15.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 864 SDtfs, 935 SDslu, 2287 SDs, 0 SdLazy, 1940 SolverSat, 297 SolverUnsat, 141 SolverUnknown, 0 SolverNotchecked, 305118.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 293 GetRequests, 226 SyntacticMatches, 6 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 103827.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=178occurred in iteration=0, InterpolantAutomatonStates: 59, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 145.6ms AutomataMinimizationTime, 7 MinimizatonAttempts, 359 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 90.8ms SsaConstructionTime, 219.8ms SatisfiabilityAnalysisTime, 26345.4ms InterpolantComputationTime, 138 NumberOfCodeBlocks, 138 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 262 ConstructedInterpolants, 21 QuantifiedInterpolants, 1277 SizeOfPredicates, 7 NumberOfNonLiveVariables, 617 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 14 InterpolantComputations, 7 PerfectInterpolantSequences, 24/40 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-15 20:22:24,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f709d7c1-44b3-4e6b-8bed-fd2611a9e63c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...