./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test11_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test11_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg --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 02acfb70bf31515ceb84abad2b1306b0eab86ac3ab86c4ec829443e87c9da071 ................................................................................................................................... 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_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test11_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg --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 02acfb70bf31515ceb84abad2b1306b0eab86ac3ab86c4ec829443e87c9da071 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:31:56,861 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:31:56,864 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:31:56,915 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:31:56,916 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:31:56,918 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:31:56,920 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:31:56,924 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:31:56,932 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:31:56,934 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:31:56,936 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:31:56,941 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:31:56,942 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:31:56,948 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:31:56,951 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:31:56,955 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:31:56,960 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:31:56,970 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:31:56,973 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:31:56,976 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:31:56,987 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:31:56,989 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:31:56,991 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:31:56,994 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:31:56,999 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:31:57,007 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:31:57,008 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:31:57,009 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:31:57,012 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:31:57,014 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:31:57,016 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:31:57,017 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:31:57,019 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:31:57,022 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:31:57,024 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:31:57,025 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:31:57,026 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:31:57,026 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:31:57,026 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:31:57,028 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:31:57,029 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:31:57,030 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-10-28 09:31:57,097 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:31:57,098 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:31:57,099 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:31:57,100 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:31:57,110 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:31:57,111 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:31:57,111 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:31:57,111 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:31:57,112 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:31:57,113 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:31:57,114 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:31:57,115 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:31:57,115 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:31:57,116 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-28 09:31:57,116 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-28 09:31:57,116 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-28 09:31:57,117 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:31:57,117 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-28 09:31:57,117 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:31:57,118 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:31:57,118 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:31:57,118 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:31:57,119 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:31:57,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:31:57,119 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:31:57,120 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:31:57,120 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:31:57,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 09:31:57,121 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:31:57,124 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_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02acfb70bf31515ceb84abad2b1306b0eab86ac3ab86c4ec829443e87c9da071 [2021-10-28 09:31:57,455 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:31:57,505 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:31:57,509 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:31:57,511 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:31:57,513 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:31:57,514 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/ldv-memsafety/memleaks_test11_1.i [2021-10-28 09:31:57,613 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/data/dc3f2ca96/3d435fa203ce41369ce1e21518fec5bd/FLAGd8ad04a47 [2021-10-28 09:31:58,365 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:31:58,366 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/sv-benchmarks/c/ldv-memsafety/memleaks_test11_1.i [2021-10-28 09:31:58,396 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/data/dc3f2ca96/3d435fa203ce41369ce1e21518fec5bd/FLAGd8ad04a47 [2021-10-28 09:31:58,565 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/data/dc3f2ca96/3d435fa203ce41369ce1e21518fec5bd [2021-10-28 09:31:58,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:31:58,570 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-28 09:31:58,572 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:31:58,573 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:31:58,577 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:31:58,578 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:31:58" (1/1) ... [2021-10-28 09:31:58,580 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a3d47f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:58, skipping insertion in model container [2021-10-28 09:31:58,580 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:31:58" (1/1) ... [2021-10-28 09:31:58,589 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:31:58,663 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:31:59,247 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:31:59,277 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) [2021-10-28 09:31:59,278 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@19a71e5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:59, skipping insertion in model container [2021-10-28 09:31:59,278 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:31:59,280 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-28 09:31:59,284 INFO L168 Benchmark]: Toolchain (without parser) took 710.51 ms. Allocated memory is still 117.4 MB. Free memory was 83.0 MB in the beginning and 88.7 MB in the end (delta: -5.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:31:59,286 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 86.0 MB. Free memory was 46.3 MB in the beginning and 46.2 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:31:59,288 INFO L168 Benchmark]: CACSL2BoogieTranslator took 707.02 ms. Allocated memory is still 117.4 MB. Free memory was 82.8 MB in the beginning and 88.7 MB in the end (delta: -5.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:31:59,291 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 86.0 MB. Free memory was 46.3 MB in the beginning and 46.2 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 707.02 ms. Allocated memory is still 117.4 MB. Free memory was 82.8 MB in the beginning and 88.7 MB in the end (delta: -5.9 MB). Peak memory consumption was 6.3 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-b2eff8b [2021-10-28 09:32:02,192 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:32:02,195 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:32:02,235 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:32:02,236 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:32:02,237 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:32:02,240 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:32:02,243 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:32:02,246 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:32:02,248 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:32:02,250 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:32:02,252 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:32:02,253 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:32:02,255 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:32:02,257 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:32:02,260 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:32:02,261 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:32:02,263 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:32:02,266 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:32:02,270 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:32:02,273 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:32:02,275 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:32:02,277 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:32:02,279 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:32:02,284 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:32:02,285 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:32:02,285 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:32:02,287 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:32:02,288 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:32:02,290 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:32:02,291 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:32:02,292 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:32:02,293 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:32:02,295 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:32:02,297 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:32:02,298 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:32:02,299 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:32:02,300 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:32:02,300 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:32:02,302 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:32:02,303 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:32:02,304 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-10-28 09:32:02,340 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:32:02,341 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:32:02,341 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:32:02,341 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:32:02,343 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:32:02,343 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:32:02,344 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:32:02,344 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:32:02,344 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:32:02,345 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:32:02,345 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:32:02,345 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:32:02,346 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:32:02,346 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-28 09:32:02,346 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-28 09:32:02,346 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-28 09:32:02,347 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:32:02,347 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-28 09:32:02,347 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-28 09:32:02,348 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-28 09:32:02,348 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:32:02,348 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:32:02,349 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:32:02,349 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:32:02,349 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:32:02,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:32:02,350 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:32:02,350 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:32:02,350 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-28 09:32:02,351 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-28 09:32:02,351 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:32:02,351 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-28 09:32:02,351 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_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02acfb70bf31515ceb84abad2b1306b0eab86ac3ab86c4ec829443e87c9da071 [2021-10-28 09:32:02,908 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:32:02,960 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:32:02,964 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:32:02,966 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:32:02,967 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:32:02,970 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/ldv-memsafety/memleaks_test11_1.i [2021-10-28 09:32:03,071 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/data/6ba7e9957/3734b9711f574ab4a928bac2a9bc929a/FLAG46cfab04b [2021-10-28 09:32:04,024 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:32:04,024 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/sv-benchmarks/c/ldv-memsafety/memleaks_test11_1.i [2021-10-28 09:32:04,074 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/data/6ba7e9957/3734b9711f574ab4a928bac2a9bc929a/FLAG46cfab04b [2021-10-28 09:32:04,184 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/data/6ba7e9957/3734b9711f574ab4a928bac2a9bc929a [2021-10-28 09:32:04,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:32:04,190 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-28 09:32:04,192 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:32:04,192 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:32:04,212 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:32:04,213 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:32:04" (1/1) ... [2021-10-28 09:32:04,215 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d4c53ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:32:04, skipping insertion in model container [2021-10-28 09:32:04,215 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:32:04" (1/1) ... [2021-10-28 09:32:04,226 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:32:04,331 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:32:04,883 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:32:04,907 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-28 09:32:04,918 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:32:05,007 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:32:05,023 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:32:05,161 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:32:05,240 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:32:05,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:32:05 WrapperNode [2021-10-28 09:32:05,242 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:32:05,244 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:32:05,244 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:32:05,245 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:32:05,261 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:32:05" (1/1) ... [2021-10-28 09:32:05,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:32:05" (1/1) ... [2021-10-28 09:32:05,323 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:32:05" (1/1) ... [2021-10-28 09:32:05,328 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:32:05" (1/1) ... [2021-10-28 09:32:05,389 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:32:05" (1/1) ... [2021-10-28 09:32:05,398 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:32:05" (1/1) ... [2021-10-28 09:32:05,408 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:32:05" (1/1) ... [2021-10-28 09:32:05,425 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:32:05,426 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:32:05,427 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:32:05,427 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:32:05,428 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:32:05" (1/1) ... [2021-10-28 09:32:05,451 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:32:05,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:32:05,486 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 09:32:05,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 09:32:05,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-10-28 09:32:05,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:32:05,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-10-28 09:32:05,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-10-28 09:32:05,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-10-28 09:32:05,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-10-28 09:32:05,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-10-28 09:32:05,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-10-28 09:32:05,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-10-28 09:32:05,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-10-28 09:32:05,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-10-28 09:32:05,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-10-28 09:32:05,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-10-28 09:32:05,567 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-10-28 09:32:05,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-10-28 09:32:05,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-10-28 09:32:05,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-10-28 09:32:05,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-10-28 09:32:05,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-10-28 09:32:05,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-10-28 09:32:05,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-10-28 09:32:05,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-10-28 09:32:05,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-10-28 09:32:05,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-10-28 09:32:05,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-10-28 09:32:05,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-10-28 09:32:05,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-10-28 09:32:05,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-10-28 09:32:05,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-10-28 09:32:05,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-10-28 09:32:05,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-10-28 09:32:05,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-10-28 09:32:05,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-10-28 09:32:05,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-10-28 09:32:05,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-10-28 09:32:05,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-10-28 09:32:05,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-10-28 09:32:05,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-10-28 09:32:05,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-10-28 09:32:05,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-10-28 09:32:05,576 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-10-28 09:32:05,576 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-10-28 09:32:05,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_i2c_get_clientdata [2021-10-28 09:32:05,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_i2c_set_clientdata [2021-10-28 09:32:05,577 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_2_11 [2021-10-28 09:32:05,577 INFO L138 BoogieDeclarations]: Found implementation of procedure free_11 [2021-10-28 09:32:05,578 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-10-28 09:32:05,579 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-10-28 09:32:05,580 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-10-28 09:32:05,580 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-10-28 09:32:05,580 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-10-28 09:32:05,581 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-10-28 09:32:05,581 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-10-28 09:32:05,581 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-10-28 09:32:05,582 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-10-28 09:32:05,582 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-10-28 09:32:05,582 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-10-28 09:32:05,582 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-10-28 09:32:05,583 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-10-28 09:32:05,584 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-10-28 09:32:05,585 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-10-28 09:32:05,585 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-10-28 09:32:05,587 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-10-28 09:32:05,587 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-10-28 09:32:05,588 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-10-28 09:32:05,588 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-10-28 09:32:05,588 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-10-28 09:32:05,589 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-10-28 09:32:05,589 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-10-28 09:32:05,589 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-10-28 09:32:05,589 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-10-28 09:32:05,590 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-10-28 09:32:05,591 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-10-28 09:32:05,591 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-10-28 09:32:05,591 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-10-28 09:32:05,592 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-10-28 09:32:05,592 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-10-28 09:32:05,592 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-10-28 09:32:05,594 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-10-28 09:32:05,594 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-10-28 09:32:05,594 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-10-28 09:32:05,594 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-10-28 09:32:05,595 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-10-28 09:32:05,595 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-10-28 09:32:05,595 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-10-28 09:32:05,596 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-10-28 09:32:05,596 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-10-28 09:32:05,596 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-10-28 09:32:05,596 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-10-28 09:32:05,597 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-10-28 09:32:05,597 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-10-28 09:32:05,597 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-10-28 09:32:05,597 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-10-28 09:32:05,626 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-10-28 09:32:05,627 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-10-28 09:32:05,627 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-10-28 09:32:05,627 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-10-28 09:32:05,628 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-10-28 09:32:05,628 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-10-28 09:32:05,628 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-10-28 09:32:05,629 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-10-28 09:32:05,629 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-10-28 09:32:05,629 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-10-28 09:32:05,630 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-10-28 09:32:05,630 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-10-28 09:32:05,630 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-10-28 09:32:05,630 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-10-28 09:32:05,631 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-10-28 09:32:05,631 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-10-28 09:32:05,631 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-10-28 09:32:05,631 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-10-28 09:32:05,632 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-10-28 09:32:05,632 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-10-28 09:32:05,632 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-10-28 09:32:05,632 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-10-28 09:32:05,633 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-10-28 09:32:05,633 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-10-28 09:32:05,633 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-10-28 09:32:05,633 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-10-28 09:32:05,634 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-10-28 09:32:05,635 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-10-28 09:32:05,635 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-10-28 09:32:05,636 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-10-28 09:32:05,637 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-10-28 09:32:05,640 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-10-28 09:32:05,641 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-10-28 09:32:05,641 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-10-28 09:32:05,642 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-10-28 09:32:05,643 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-10-28 09:32:05,645 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-10-28 09:32:05,645 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-10-28 09:32:05,645 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-10-28 09:32:05,647 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-10-28 09:32:05,652 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-10-28 09:32:05,652 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-10-28 09:32:05,653 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-10-28 09:32:05,653 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-10-28 09:32:05,654 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-10-28 09:32:05,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-10-28 09:32:05,654 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-10-28 09:32:05,654 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-10-28 09:32:05,655 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-10-28 09:32:05,655 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-10-28 09:32:05,655 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-10-28 09:32:05,655 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-10-28 09:32:05,656 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-10-28 09:32:05,656 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-10-28 09:32:05,656 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-10-28 09:32:05,656 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-10-28 09:32:05,657 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-10-28 09:32:05,657 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-10-28 09:32:05,657 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-10-28 09:32:05,657 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-10-28 09:32:05,658 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-10-28 09:32:05,658 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-10-28 09:32:05,658 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-10-28 09:32:05,658 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-10-28 09:32:05,659 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-10-28 09:32:05,659 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-10-28 09:32:05,659 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-10-28 09:32:05,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-10-28 09:32:05,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-10-28 09:32:05,660 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-10-28 09:32:05,660 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-10-28 09:32:05,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-10-28 09:32:05,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-28 09:32:05,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-10-28 09:32:05,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-10-28 09:32:05,662 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-10-28 09:32:05,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-28 09:32:05,662 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-10-28 09:32:05,662 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-10-28 09:32:05,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-10-28 09:32:05,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-28 09:32:05,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-10-28 09:32:05,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-10-28 09:32:05,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-10-28 09:32:05,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-10-28 09:32:05,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-10-28 09:32:05,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-10-28 09:32:05,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 09:32:05,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-10-28 09:32:05,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-10-28 09:32:05,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-10-28 09:32:05,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-10-28 09:32:05,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-10-28 09:32:05,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-28 09:32:05,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-28 09:32:05,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-10-28 09:32:05,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-10-28 09:32:05,667 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-10-28 09:32:05,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-10-28 09:32:05,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-10-28 09:32:05,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-10-28 09:32:05,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-10-28 09:32:05,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-10-28 09:32:05,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-10-28 09:32:05,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-10-28 09:32:05,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-10-28 09:32:05,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-10-28 09:32:05,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-10-28 09:32:05,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-10-28 09:32:05,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-10-28 09:32:05,670 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-10-28 09:32:05,671 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-10-28 09:32:05,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_i2c_get_clientdata [2021-10-28 09:32:05,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_i2c_set_clientdata [2021-10-28 09:32:05,671 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_2_11 [2021-10-28 09:32:05,672 INFO L130 BoogieDeclarations]: Found specification of procedure free_11 [2021-10-28 09:32:05,672 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-10-28 09:32:05,672 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-10-28 09:32:05,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-10-28 09:32:05,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:32:05,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-28 09:32:05,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:32:05,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-10-28 09:32:05,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-28 09:32:05,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-28 09:32:05,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-10-28 09:32:05,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-10-28 09:32:06,610 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 09:32:07,162 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 09:32:07,894 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:32:07,899 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-10-28 09:32:07,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:32:07 BoogieIcfgContainer [2021-10-28 09:32:07,905 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:32:07,909 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 09:32:07,911 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 09:32:07,916 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 09:32:07,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:32:04" (1/3) ... [2021-10-28 09:32:07,917 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7876464c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:32:07, skipping insertion in model container [2021-10-28 09:32:07,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:32:05" (2/3) ... [2021-10-28 09:32:07,920 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7876464c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:32:07, skipping insertion in model container [2021-10-28 09:32:07,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:32:07" (3/3) ... [2021-10-28 09:32:07,922 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test11_1.i [2021-10-28 09:32:07,930 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 09:32:07,930 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 96 error locations. [2021-10-28 09:32:08,007 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 09:32:08,015 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 09:32:08,015 INFO L340 AbstractCegarLoop]: Starting to check reachability of 96 error locations. [2021-10-28 09:32:08,048 INFO L276 IsEmpty]: Start isEmpty. Operand has 183 states, 98 states have (on average 1.5918367346938775) internal successors, (156), 145 states have internal predecessors, (156), 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) [2021-10-28 09:32:08,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-28 09:32:08,059 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:32:08,060 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:32:08,061 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 92 more)] === [2021-10-28 09:32:08,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:08,073 INFO L85 PathProgramCache]: Analyzing trace with hash 2088463859, now seen corresponding path program 1 times [2021-10-28 09:32:08,091 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:32:08,092 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1493494367] [2021-10-28 09:32:08,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:08,095 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:32:08,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:32:08,108 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:32:08,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-28 09:32:08,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:08,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:32:08,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:32:08,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:32:08,569 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:32:08,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:32:08,759 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:32:08,763 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1493494367] [2021-10-28 09:32:08,765 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1493494367] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:32:08,767 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:32:08,767 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-28 09:32:08,769 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419557371] [2021-10-28 09:32:08,777 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 09:32:08,778 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:32:08,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:32:08,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:32:08,807 INFO L87 Difference]: Start difference. First operand has 183 states, 98 states have (on average 1.5918367346938775) internal successors, (156), 145 states have internal predecessors, (156), 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) [2021-10-28 09:32:08,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:32:08,987 INFO L93 Difference]: Finished difference Result 151 states and 172 transitions. [2021-10-28 09:32:08,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:32:08,989 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 [2021-10-28 09:32:08,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:32:09,009 INFO L225 Difference]: With dead ends: 151 [2021-10-28 09:32:09,009 INFO L226 Difference]: Without dead ends: 148 [2021-10-28 09:32:09,011 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:32:09,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2021-10-28 09:32:09,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 114. [2021-10-28 09:32:09,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 60 states have (on average 1.5833333333333333) internal successors, (95), 89 states have internal predecessors, (95), 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) [2021-10-28 09:32:09,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 126 transitions. [2021-10-28 09:32:09,117 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 126 transitions. Word has length 16 [2021-10-28 09:32:09,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:32:09,118 INFO L470 AbstractCegarLoop]: Abstraction has 114 states and 126 transitions. [2021-10-28 09:32:09,118 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) [2021-10-28 09:32:09,118 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 126 transitions. [2021-10-28 09:32:09,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-28 09:32:09,122 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:32:09,122 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:32:09,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-28 09:32:09,339 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:32:09,339 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 92 more)] === [2021-10-28 09:32:09,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:09,343 INFO L85 PathProgramCache]: Analyzing trace with hash -463693102, now seen corresponding path program 1 times [2021-10-28 09:32:09,344 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:32:09,348 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1355981777] [2021-10-28 09:32:09,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:09,349 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:32:09,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:32:09,351 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:32:09,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-28 09:32:09,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:09,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 09:32:09,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:32:09,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:32:09,725 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:32:09,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:32:09,904 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:32:09,905 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1355981777] [2021-10-28 09:32:09,905 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1355981777] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:32:09,906 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:32:09,906 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-28 09:32:09,906 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643845963] [2021-10-28 09:32:09,908 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:32:09,909 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:32:09,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:32:09,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:32:09,910 INFO L87 Difference]: Start difference. First operand 114 states and 126 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) [2021-10-28 09:32:10,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:32:10,227 INFO L93 Difference]: Finished difference Result 168 states and 192 transitions. [2021-10-28 09:32:10,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:32:10,228 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 [2021-10-28 09:32:10,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:32:10,232 INFO L225 Difference]: With dead ends: 168 [2021-10-28 09:32:10,233 INFO L226 Difference]: Without dead ends: 165 [2021-10-28 09:32:10,234 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:32:10,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-10-28 09:32:10,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 110. [2021-10-28 09:32:10,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 57 states have (on average 1.5964912280701755) internal successors, (91), 86 states have internal predecessors, (91), 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) [2021-10-28 09:32:10,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 118 transitions. [2021-10-28 09:32:10,267 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 118 transitions. Word has length 16 [2021-10-28 09:32:10,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:32:10,267 INFO L470 AbstractCegarLoop]: Abstraction has 110 states and 118 transitions. [2021-10-28 09:32:10,268 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) [2021-10-28 09:32:10,268 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 118 transitions. [2021-10-28 09:32:10,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-28 09:32:10,269 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:32:10,269 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:32:10,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-28 09:32:10,486 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:32:10,487 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 92 more)] === [2021-10-28 09:32:10,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:10,487 INFO L85 PathProgramCache]: Analyzing trace with hash -914027467, now seen corresponding path program 1 times [2021-10-28 09:32:10,488 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:32:10,489 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [755196195] [2021-10-28 09:32:10,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:10,489 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:32:10,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:32:10,491 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:32:10,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-28 09:32:10,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:10,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:32:10,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:32:10,880 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 09:32:10,880 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:32:11,035 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 09:32:11,036 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:32:11,036 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [755196195] [2021-10-28 09:32:11,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [755196195] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:32:11,037 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:32:11,037 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-28 09:32:11,037 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976807728] [2021-10-28 09:32:11,038 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 09:32:11,038 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:32:11,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:32:11,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:32:11,043 INFO L87 Difference]: Start difference. First operand 110 states and 118 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) [2021-10-28 09:32:11,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:32:11,181 INFO L93 Difference]: Finished difference Result 145 states and 162 transitions. [2021-10-28 09:32:11,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:32:11,197 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 [2021-10-28 09:32:11,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:32:11,199 INFO L225 Difference]: With dead ends: 145 [2021-10-28 09:32:11,199 INFO L226 Difference]: Without dead ends: 145 [2021-10-28 09:32:11,200 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:32:11,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2021-10-28 09:32:11,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 114. [2021-10-28 09:32:11,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 60 states have (on average 1.5666666666666667) internal successors, (94), 89 states have internal predecessors, (94), 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) [2021-10-28 09:32:11,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 125 transitions. [2021-10-28 09:32:11,215 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 125 transitions. Word has length 21 [2021-10-28 09:32:11,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:32:11,215 INFO L470 AbstractCegarLoop]: Abstraction has 114 states and 125 transitions. [2021-10-28 09:32:11,216 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) [2021-10-28 09:32:11,216 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 125 transitions. [2021-10-28 09:32:11,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-28 09:32:11,217 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:32:11,217 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:32:11,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-28 09:32:11,441 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:32:11,442 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 92 more)] === [2021-10-28 09:32:11,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:11,443 INFO L85 PathProgramCache]: Analyzing trace with hash -914027434, now seen corresponding path program 1 times [2021-10-28 09:32:11,443 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:32:11,443 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [584960872] [2021-10-28 09:32:11,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:11,444 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:32:11,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:32:11,445 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:32:11,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-28 09:32:11,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:11,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 09:32:11,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:32:11,774 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 [2021-10-28 09:32:11,989 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-10-28 09:32:11,990 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 [2021-10-28 09:32:12,062 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:32:12,063 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:32:12,488 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:32:12,489 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:32:12,489 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [584960872] [2021-10-28 09:32:12,490 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [584960872] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-28 09:32:12,490 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:32:12,490 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2021-10-28 09:32:12,491 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833305169] [2021-10-28 09:32:12,492 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-28 09:32:12,497 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:32:12,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 09:32:12,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-10-28 09:32:12,500 INFO L87 Difference]: Start difference. First operand 114 states and 125 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) [2021-10-28 09:32:14,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:32:14,355 INFO L93 Difference]: Finished difference Result 227 states and 264 transitions. [2021-10-28 09:32:14,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-28 09:32:14,356 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 [2021-10-28 09:32:14,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:32:14,360 INFO L225 Difference]: With dead ends: 227 [2021-10-28 09:32:14,361 INFO L226 Difference]: Without dead ends: 227 [2021-10-28 09:32:14,362 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 31 SyntacticMatches, 5 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2021-10-28 09:32:14,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2021-10-28 09:32:14,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 129. [2021-10-28 09:32:14,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 73 states have (on average 1.5342465753424657) internal successors, (112), 100 states have internal predecessors, (112), 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) [2021-10-28 09:32:14,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 146 transitions. [2021-10-28 09:32:14,406 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 146 transitions. Word has length 21 [2021-10-28 09:32:14,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:32:14,407 INFO L470 AbstractCegarLoop]: Abstraction has 129 states and 146 transitions. [2021-10-28 09:32:14,408 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) [2021-10-28 09:32:14,408 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 146 transitions. [2021-10-28 09:32:14,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-28 09:32:14,411 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:32:14,411 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:32:14,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-28 09:32:14,624 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:32:14,625 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 92 more)] === [2021-10-28 09:32:14,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:14,626 INFO L85 PathProgramCache]: Analyzing trace with hash -914027433, now seen corresponding path program 1 times [2021-10-28 09:32:14,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:32:14,626 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1358853160] [2021-10-28 09:32:14,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:14,627 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:32:14,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:32:14,629 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:32:14,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-28 09:32:14,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:14,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-28 09:32:14,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:32:14,986 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 [2021-10-28 09:32:14,994 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 [2021-10-28 09:32:17,432 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-10-28 09:32:17,433 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 [2021-10-28 09:32:17,451 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-28 09:32:17,452 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 [2021-10-28 09:32:17,532 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:32:17,532 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:32:25,247 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_ldv_malloc_#res.base_36| (_ BitVec 32)) (v_entry_point_~c11~0.base_BEFORE_CALL_4 (_ BitVec 32)) (v_entry_point_~c11~0.offset_BEFORE_CALL_2 (_ BitVec 32))) (or (not (= (_ bv0 1) (bvneg (select |c_#valid| |v_ldv_malloc_#res.base_36|)))) (exists ((|v_ldv_malloc_#res.base_35| (_ BitVec 32))) (and (or (not (bvule v_entry_point_~c11~0.offset_BEFORE_CALL_2 (bvadd (_ bv4 32) v_entry_point_~c11~0.offset_BEFORE_CALL_2))) (exists ((v_ldv_malloc_~size_31 (_ BitVec 32))) (not (bvule (bvadd (_ bv4 32) v_entry_point_~c11~0.offset_BEFORE_CALL_2) (select (store |c_old(#length)| |v_ldv_malloc_#res.base_35| v_ldv_malloc_~size_31) v_entry_point_~c11~0.base_BEFORE_CALL_4))))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| |v_ldv_malloc_#res.base_35|))))))))))) (and (forall ((ldv_malloc_~size (_ BitVec 32))) (bvule (bvadd (_ bv4 32) v_entry_point_~c11~0.offset_BEFORE_CALL_2) (select (store |c_#length| |v_ldv_malloc_#res.base_36| ldv_malloc_~size) v_entry_point_~c11~0.base_BEFORE_CALL_4))) (bvule v_entry_point_~c11~0.offset_BEFORE_CALL_2 (bvadd (_ bv4 32) v_entry_point_~c11~0.offset_BEFORE_CALL_2))))) is different from true [2021-10-28 09:32:27,266 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 [2021-10-28 09:32:27,387 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2021-10-28 09:32:27,387 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:32:27,387 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1358853160] [2021-10-28 09:32:27,387 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1358853160] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-28 09:32:27,388 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:32:27,388 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2021-10-28 09:32:27,388 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135478381] [2021-10-28 09:32:27,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-10-28 09:32:27,389 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:32:27,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-28 09:32:27,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=174, Unknown=3, NotChecked=26, Total=240 [2021-10-28 09:32:27,390 INFO L87 Difference]: Start difference. First operand 129 states and 146 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) [2021-10-28 09:33:07,102 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (bvadd (_ bv4 32) c_entry_point_~c11~0.offset))) (and (bvule c_entry_point_~c11~0.offset .cse0) (forall ((|v_ldv_malloc_#res.base_35| (_ BitVec 32))) (or (and (bvule c_entry_point_~c11~0.offset (bvadd (_ bv4 32) c_entry_point_~c11~0.offset)) (forall ((v_ldv_malloc_~size_31 (_ BitVec 32))) (bvule (bvadd (_ bv4 32) c_entry_point_~c11~0.offset) (select (store |c_#length| |v_ldv_malloc_#res.base_35| v_ldv_malloc_~size_31) c_entry_point_~c11~0.base)))) (not (= (_ bv0 1) (bvneg (bvneg (bvneg (select |c_#valid| |v_ldv_malloc_#res.base_35|)))))))) (= |c_old(#valid)| |c_#valid|) (= |c_#length| |c_old(#length)|) (bvule .cse0 (select |c_#length| c_entry_point_~c11~0.base)))) is different from false [2021-10-28 09:34:23,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:34:23,410 INFO L93 Difference]: Finished difference Result 327 states and 379 transitions. [2021-10-28 09:34:23,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-28 09:34:23,411 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 [2021-10-28 09:34:23,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:34:23,415 INFO L225 Difference]: With dead ends: 327 [2021-10-28 09:34:23,416 INFO L226 Difference]: Without dead ends: 327 [2021-10-28 09:34:23,417 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 30.8s TimeCoverageRelationStatistics Valid=112, Invalid=537, Unknown=9, NotChecked=98, Total=756 [2021-10-28 09:34:23,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2021-10-28 09:34:23,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 166. [2021-10-28 09:34:23,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 100 states have (on average 1.58) internal successors, (158), 129 states have internal predecessors, (158), 22 states have call successors, (22), 12 states have call predecessors, (22), 14 states have return successors, (33), 24 states have call predecessors, (33), 21 states have call successors, (33) [2021-10-28 09:34:23,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 213 transitions. [2021-10-28 09:34:23,440 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 213 transitions. Word has length 21 [2021-10-28 09:34:23,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:34:23,440 INFO L470 AbstractCegarLoop]: Abstraction has 166 states and 213 transitions. [2021-10-28 09:34:23,441 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) [2021-10-28 09:34:23,441 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 213 transitions. [2021-10-28 09:34:23,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-28 09:34:23,443 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:34:23,443 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:34:23,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-28 09:34:23,648 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:34:23,649 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 92 more)] === [2021-10-28 09:34:23,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:34:23,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1207430441, now seen corresponding path program 1 times [2021-10-28 09:34:23,650 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:34:23,650 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [36183555] [2021-10-28 09:34:23,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:34:23,650 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:34:23,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:34:23,652 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:34:23,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-28 09:34:23,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:34:23,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 09:34:23,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:34:24,050 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:34:24,051 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:34:24,197 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 09:34:24,197 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:34:24,197 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [36183555] [2021-10-28 09:34:24,197 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [36183555] provided 1 perfect and 1 imperfect interpolant sequences [2021-10-28 09:34:24,198 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 09:34:24,198 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2021-10-28 09:34:24,198 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93360320] [2021-10-28 09:34:24,199 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 09:34:24,199 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:34:24,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:34:24,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:34:24,200 INFO L87 Difference]: Start difference. First operand 166 states and 213 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) [2021-10-28 09:34:24,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:34:24,244 INFO L93 Difference]: Finished difference Result 147 states and 179 transitions. [2021-10-28 09:34:24,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:34:24,245 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 [2021-10-28 09:34:24,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:34:24,247 INFO L225 Difference]: With dead ends: 147 [2021-10-28 09:34:24,248 INFO L226 Difference]: Without dead ends: 143 [2021-10-28 09:34:24,248 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:34:24,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2021-10-28 09:34:24,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2021-10-28 09:34:24,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 85 states have (on average 1.5647058823529412) internal successors, (133), 111 states have internal predecessors, (133), 18 states have call successors, (18), 11 states have call predecessors, (18), 12 states have return successors, (24), 20 states have call predecessors, (24), 17 states have call successors, (24) [2021-10-28 09:34:24,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 175 transitions. [2021-10-28 09:34:24,261 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 175 transitions. Word has length 21 [2021-10-28 09:34:24,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:34:24,261 INFO L470 AbstractCegarLoop]: Abstraction has 143 states and 175 transitions. [2021-10-28 09:34:24,261 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) [2021-10-28 09:34:24,262 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 175 transitions. [2021-10-28 09:34:24,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-28 09:34:24,263 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:34:24,263 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:34:24,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-28 09:34:24,476 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:34:24,480 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 92 more)] === [2021-10-28 09:34:24,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:34:24,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1677543537, now seen corresponding path program 1 times [2021-10-28 09:34:24,481 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:34:24,481 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1152230124] [2021-10-28 09:34:24,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:34:24,481 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:34:24,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:34:24,484 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:34:24,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-28 09:34:24,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:34:24,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 09:34:24,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:34:25,092 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:34:25,092 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:34:25,301 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 09:34:25,302 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:34:25,302 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1152230124] [2021-10-28 09:34:25,302 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1152230124] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-28 09:34:25,302 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:34:25,303 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 9 [2021-10-28 09:34:25,303 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111805322] [2021-10-28 09:34:25,303 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-28 09:34:25,303 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:34:25,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-28 09:34:25,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-10-28 09:34:25,305 INFO L87 Difference]: Start difference. First operand 143 states and 175 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) [2021-10-28 09:34:25,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:34:25,817 INFO L93 Difference]: Finished difference Result 142 states and 173 transitions. [2021-10-28 09:34:25,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 09:34:25,818 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 [2021-10-28 09:34:25,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:34:25,820 INFO L225 Difference]: With dead ends: 142 [2021-10-28 09:34:25,820 INFO L226 Difference]: Without dead ends: 142 [2021-10-28 09:34:25,821 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2021-10-28 09:34:25,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2021-10-28 09:34:25,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2021-10-28 09:34:25,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 85 states have (on average 1.5411764705882354) internal successors, (131), 110 states have internal predecessors, (131), 18 states have call successors, (18), 11 states have call predecessors, (18), 12 states have return successors, (24), 20 states have call predecessors, (24), 17 states have call successors, (24) [2021-10-28 09:34:25,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 173 transitions. [2021-10-28 09:34:25,831 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 173 transitions. Word has length 22 [2021-10-28 09:34:25,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:34:25,832 INFO L470 AbstractCegarLoop]: Abstraction has 142 states and 173 transitions. [2021-10-28 09:34:25,832 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) [2021-10-28 09:34:25,833 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 173 transitions. [2021-10-28 09:34:25,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-28 09:34:25,834 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:34:25,834 INFO L513 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] [2021-10-28 09:34:25,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-28 09:34:26,044 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:34:26,045 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 92 more)] === [2021-10-28 09:34:26,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:34:26,045 INFO L85 PathProgramCache]: Analyzing trace with hash -426625510, now seen corresponding path program 1 times [2021-10-28 09:34:26,045 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:34:26,046 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [952897096] [2021-10-28 09:34:26,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:34:26,046 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:34:26,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:34:26,047 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:34:26,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-28 09:34:26,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:34:26,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-28 09:34:26,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:34:26,692 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 09:34:26,692 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:34:36,063 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:34:36,063 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [952897096] [2021-10-28 09:34:36,063 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))} [2021-10-28 09:34:36,064 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [749256834] [2021-10-28 09:34:36,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:34:36,064 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-28 09:34:36,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/cvc4 [2021-10-28 09:34:36,068 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-28 09:34:36,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2021-10-28 09:34:36,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:34:36,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-28 09:34:36,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:34:36,672 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-10-28 09:34:36,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 28 [2021-10-28 09:34:44,471 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 09:34:44,471 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:34:55,631 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))} [2021-10-28 09:34:55,631 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [133823835] [2021-10-28 09:34:55,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:34:55,631 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:34:55,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:34:55,638 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:34:55,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-10-28 09:34:56,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:34:56,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-28 09:34:56,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:34:56,312 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 09:34:56,312 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:35:09,174 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))} [2021-10-28 09:35:09,174 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:35:09,174 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-10-28 09:35:09,174 ERROR L172 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2021-10-28 09:35:09,175 INFO L627 BasicCegarLoop]: Counterexample might be feasible [2021-10-28 09:35:09,183 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK [2021-10-28 09:35:09,185 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr0REQUIRES_VIOLATION [2021-10-28 09:35:09,186 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr1REQUIRES_VIOLATION [2021-10-28 09:35:09,186 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr0REQUIRES_VIOLATION [2021-10-28 09:35:09,186 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr1REQUIRES_VIOLATION [2021-10-28 09:35:09,187 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION [2021-10-28 09:35:09,187 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION [2021-10-28 09:35:09,187 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION [2021-10-28 09:35:09,187 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION [2021-10-28 09:35:09,188 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION [2021-10-28 09:35:09,188 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION [2021-10-28 09:35:09,188 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION [2021-10-28 09:35:09,188 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION [2021-10-28 09:35:09,189 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr0REQUIRES_VIOLATION [2021-10-28 09:35:09,189 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr1REQUIRES_VIOLATION [2021-10-28 09:35:09,189 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr2REQUIRES_VIOLATION [2021-10-28 09:35:09,189 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr3REQUIRES_VIOLATION [2021-10-28 09:35:09,189 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr4REQUIRES_VIOLATION [2021-10-28 09:35:09,190 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr5REQUIRES_VIOLATION [2021-10-28 09:35:09,190 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr6REQUIRES_VIOLATION [2021-10-28 09:35:09,190 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr7REQUIRES_VIOLATION [2021-10-28 09:35:09,190 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION [2021-10-28 09:35:09,191 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION [2021-10-28 09:35:09,191 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr0REQUIRES_VIOLATION [2021-10-28 09:35:09,191 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr1REQUIRES_VIOLATION [2021-10-28 09:35:09,191 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr2REQUIRES_VIOLATION [2021-10-28 09:35:09,192 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr3REQUIRES_VIOLATION [2021-10-28 09:35:09,192 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION [2021-10-28 09:35:09,192 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION [2021-10-28 09:35:09,192 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION [2021-10-28 09:35:09,193 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION [2021-10-28 09:35:09,193 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr0REQUIRES_VIOLATION [2021-10-28 09:35:09,193 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr1REQUIRES_VIOLATION [2021-10-28 09:35:09,193 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr0REQUIRES_VIOLATION [2021-10-28 09:35:09,194 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr1REQUIRES_VIOLATION [2021-10-28 09:35:09,194 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr2REQUIRES_VIOLATION [2021-10-28 09:35:09,194 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr3REQUIRES_VIOLATION [2021-10-28 09:35:09,194 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr4REQUIRES_VIOLATION [2021-10-28 09:35:09,195 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr5REQUIRES_VIOLATION [2021-10-28 09:35:09,195 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION [2021-10-28 09:35:09,195 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION [2021-10-28 09:35:09,195 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr0REQUIRES_VIOLATION [2021-10-28 09:35:09,196 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr1REQUIRES_VIOLATION [2021-10-28 09:35:09,196 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:35:09,196 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:35:09,196 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:35:09,197 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:35:09,197 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:35:09,197 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:35:09,198 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr0REQUIRES_VIOLATION [2021-10-28 09:35:09,198 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr1REQUIRES_VIOLATION [2021-10-28 09:35:09,198 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr2REQUIRES_VIOLATION [2021-10-28 09:35:09,198 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr3REQUIRES_VIOLATION [2021-10-28 09:35:09,199 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr4REQUIRES_VIOLATION [2021-10-28 09:35:09,199 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr5REQUIRES_VIOLATION [2021-10-28 09:35:09,199 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION [2021-10-28 09:35:09,199 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION [2021-10-28 09:35:09,200 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:35:09,200 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:35:09,200 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:35:09,201 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:35:09,201 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:35:09,201 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:35:09,201 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr0REQUIRES_VIOLATION [2021-10-28 09:35:09,202 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr1REQUIRES_VIOLATION [2021-10-28 09:35:09,202 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr0REQUIRES_VIOLATION [2021-10-28 09:35:09,202 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr1REQUIRES_VIOLATION [2021-10-28 09:35:09,202 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr2REQUIRES_VIOLATION [2021-10-28 09:35:09,203 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr3REQUIRES_VIOLATION [2021-10-28 09:35:09,203 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_2_11Err0REQUIRES_VIOLATION [2021-10-28 09:35:09,203 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_2_11Err1REQUIRES_VIOLATION [2021-10-28 09:35:09,203 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_2_11Err2REQUIRES_VIOLATION [2021-10-28 09:35:09,204 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_2_11Err3REQUIRES_VIOLATION [2021-10-28 09:35:09,204 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_2_11Err4REQUIRES_VIOLATION [2021-10-28 09:35:09,204 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_2_11Err5REQUIRES_VIOLATION [2021-10-28 09:35:09,204 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_2_11Err6ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:35:09,205 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_2_11Err7ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:35:09,205 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_2_11Err8ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:35:09,205 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_11Err0ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:35:09,206 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_11Err1ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:35:09,206 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_11Err2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:35:09,206 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr0REQUIRES_VIOLATION [2021-10-28 09:35:09,206 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr1REQUIRES_VIOLATION [2021-10-28 09:35:09,206 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr0REQUIRES_VIOLATION [2021-10-28 09:35:09,207 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr1REQUIRES_VIOLATION [2021-10-28 09:35:09,207 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr2REQUIRES_VIOLATION [2021-10-28 09:35:09,207 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr3REQUIRES_VIOLATION [2021-10-28 09:35:09,207 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:35:09,208 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:35:09,208 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:35:09,208 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:35:09,209 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr8ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:35:09,209 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr9ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:35:09,209 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr10ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:35:09,209 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr11ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:35:09,210 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:35:09,226 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-28 09:35:09,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-10-28 09:35:09,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2021-10-28 09:35:09,821 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/cvc4 --incremental --print-success --lang smt [2021-10-28 09:35:09,824 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:35:09,828 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 09:35:09,832 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2021-10-28 09:35:09,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:35:09 BoogieIcfgContainer [2021-10-28 09:35:09,862 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:35:09,863 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:35:09,863 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:35:09,864 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:35:09,864 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:32:07" (3/4) ... [2021-10-28 09:35:09,869 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 09:35:09,869 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:35:09,870 INFO L168 Benchmark]: Toolchain (without parser) took 185680.24 ms. Allocated memory was 83.9 MB in the beginning and 138.4 MB in the end (delta: 54.5 MB). Free memory was 46.6 MB in the beginning and 108.6 MB in the end (delta: -62.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:35:09,871 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 83.9 MB. Free memory was 65.0 MB in the beginning and 64.9 MB in the end (delta: 88.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:35:09,871 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1050.89 ms. Allocated memory is still 83.9 MB. Free memory was 46.4 MB in the beginning and 48.9 MB in the end (delta: -2.5 MB). Peak memory consumption was 12.8 MB. Max. memory is 16.1 GB. [2021-10-28 09:35:09,872 INFO L168 Benchmark]: Boogie Preprocessor took 181.12 ms. Allocated memory is still 83.9 MB. Free memory was 48.9 MB in the beginning and 43.9 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:35:09,872 INFO L168 Benchmark]: RCFGBuilder took 2479.96 ms. Allocated memory was 83.9 MB in the beginning and 113.2 MB in the end (delta: 29.4 MB). Free memory was 43.7 MB in the beginning and 79.3 MB in the end (delta: -35.6 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-28 09:35:09,873 INFO L168 Benchmark]: TraceAbstraction took 181954.00 ms. Allocated memory was 113.2 MB in the beginning and 138.4 MB in the end (delta: 25.2 MB). Free memory was 78.9 MB in the beginning and 108.6 MB in the end (delta: -29.6 MB). Peak memory consumption was 72.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:35:09,874 INFO L168 Benchmark]: Witness Printer took 5.96 ms. Allocated memory is still 138.4 MB. Free memory was 108.6 MB in the beginning and 108.6 MB in the end (delta: 2.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:35:09,876 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 83.9 MB. Free memory was 65.0 MB in the beginning and 64.9 MB in the end (delta: 88.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1050.89 ms. Allocated memory is still 83.9 MB. Free memory was 46.4 MB in the beginning and 48.9 MB in the end (delta: -2.5 MB). Peak memory consumption was 12.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 181.12 ms. Allocated memory is still 83.9 MB. Free memory was 48.9 MB in the beginning and 43.9 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2479.96 ms. Allocated memory was 83.9 MB in the beginning and 113.2 MB in the end (delta: 29.4 MB). Free memory was 43.7 MB in the beginning and 79.3 MB in the end (delta: -35.6 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 181954.00 ms. Allocated memory was 113.2 MB in the beginning and 138.4 MB in the end (delta: 25.2 MB). Free memory was 78.9 MB in the beginning and 108.6 MB in the end (delta: -29.6 MB). Peak memory consumption was 72.1 MB. Max. memory is 16.1 GB. * Witness Printer took 5.96 ms. Allocated memory is still 138.4 MB. Free memory was 108.6 MB in the beginning and 108.6 MB in the end (delta: 2.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 823]: 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 823. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L824] CALL entry_point() [L803] CALL, EXPR ldv_malloc(sizeof(struct ldv_i2c_client)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L803] RET, EXPR ldv_malloc(sizeof(struct ldv_i2c_client)) [L803] struct ldv_i2c_client *c11 = (struct ldv_i2c_client *)ldv_malloc(sizeof(struct ldv_i2c_client)); [L804] COND FALSE !(!c11) [L806] CALL, EXPR ldv_malloc(sizeof(struct ldv_m88ts2022_config)) [L526] COND FALSE !(__VERIFIER_nondet_int()) [L529] return 0; [L806] RET, EXPR ldv_malloc(sizeof(struct ldv_m88ts2022_config)) [L805-L806] struct ldv_m88ts2022_config *cfg = (struct ldv_m88ts2022_config *) ldv_malloc(sizeof(struct ldv_m88ts2022_config)); [L807] COND TRUE !cfg [L819] free(c11) [L819] free(c11) [L819] free(c11) [L824] RET entry_point() - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 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: 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: 790]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 790]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 790]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 799]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 799]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 799]: 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: 808]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 808]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 812]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 812]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 815]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 815]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 815]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 817]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 817]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 817]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 819]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 819]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 819]: 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, 410 locations, 96 error locations. Started 1 CEGAR loops. OverallTime: 181.8s, OverallIterations: 8, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 119.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 890 SDtfs, 993 SDslu, 2482 SDs, 0 SdLazy, 2019 SolverSat, 296 SolverUnsat, 42 SolverUnknown, 0 SolverNotchecked, 93.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 290 GetRequests, 227 SyntacticMatches, 6 SemanticMatches, 57 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 31.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=183occurred in iteration=0, InterpolantAutomatonStates: 56, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 379 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 24.8s InterpolantComputationTime, 164 NumberOfCodeBlocks, 164 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 287 ConstructedInterpolants, 24 QuantifiedInterpolants, 1549 SizeOfPredicates, 8 NumberOfNonLiveVariables, 714 ConjunctsInSsa, 64 ConjunctsInUnsatCore, 15 InterpolantComputations, 7 PerfectInterpolantSequences, 26/44 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 [2021-10-28 09:35:09,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29af0797-203a-4b6d-90f6-74138137506b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...