./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test15-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test15-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY --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 e94333448b9ec2a5ffed0adee00d968fb025c54e55196475ef51117fcee9fc3a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 08:12:03,387 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 08:12:03,390 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 08:12:03,432 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 08:12:03,433 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 08:12:03,435 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 08:12:03,438 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 08:12:03,442 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 08:12:03,445 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 08:12:03,447 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 08:12:03,449 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 08:12:03,451 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 08:12:03,452 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 08:12:03,454 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 08:12:03,456 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 08:12:03,461 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 08:12:03,465 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 08:12:03,490 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 08:12:03,493 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 08:12:03,499 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 08:12:03,503 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 08:12:03,508 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 08:12:03,512 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 08:12:03,515 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 08:12:03,524 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 08:12:03,529 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 08:12:03,530 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 08:12:03,532 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 08:12:03,534 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 08:12:03,536 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 08:12:03,537 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 08:12:03,538 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 08:12:03,541 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 08:12:03,554 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 08:12:03,556 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 08:12:03,556 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 08:12:03,558 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 08:12:03,558 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 08:12:03,558 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 08:12:03,560 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 08:12:03,561 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 08:12:03,562 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-11-07 08:12:03,617 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 08:12:03,618 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 08:12:03,618 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 08:12:03,619 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 08:12:03,620 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 08:12:03,621 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 08:12:03,621 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 08:12:03,621 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 08:12:03,622 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 08:12:03,622 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 08:12:03,623 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 08:12:03,623 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 08:12:03,623 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 08:12:03,623 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-07 08:12:03,624 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-07 08:12:03,624 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-07 08:12:03,624 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 08:12:03,625 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 08:12:03,625 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 08:12:03,625 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 08:12:03,626 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 08:12:03,626 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 08:12:03,626 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 08:12:03,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 08:12:03,627 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 08:12:03,627 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 08:12:03,628 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 08:12:03,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 08:12:03,628 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 08:12:03,628 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_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e94333448b9ec2a5ffed0adee00d968fb025c54e55196475ef51117fcee9fc3a [2021-11-07 08:12:03,936 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 08:12:03,966 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 08:12:03,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 08:12:03,972 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 08:12:03,973 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 08:12:03,975 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/../../sv-benchmarks/c/ldv-memsafety/memleaks_test15-1.i [2021-11-07 08:12:04,059 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/data/7c726ce3d/7f225893449343ed842b53abe7528b57/FLAGe4ec03a0d [2021-11-07 08:12:04,814 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 08:12:04,814 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/sv-benchmarks/c/ldv-memsafety/memleaks_test15-1.i [2021-11-07 08:12:04,836 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/data/7c726ce3d/7f225893449343ed842b53abe7528b57/FLAGe4ec03a0d [2021-11-07 08:12:05,014 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/data/7c726ce3d/7f225893449343ed842b53abe7528b57 [2021-11-07 08:12:05,017 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 08:12:05,019 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-07 08:12:05,023 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 08:12:05,024 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 08:12:05,028 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 08:12:05,029 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:12:05" (1/1) ... [2021-11-07 08:12:05,031 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f668712 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:12:05, skipping insertion in model container [2021-11-07 08:12:05,031 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:12:05" (1/1) ... [2021-11-07 08:12:05,040 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 08:12:05,149 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 08:12:05,913 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 08:12:05,936 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-07 08:12:05,937 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1db8f770 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:12:05, skipping insertion in model container [2021-11-07 08:12:05,937 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 08:12:05,938 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-11-07 08:12:05,940 INFO L168 Benchmark]: Toolchain (without parser) took 919.42 ms. Allocated memory is still 92.3 MB. Free memory was 62.9 MB in the beginning and 49.0 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-11-07 08:12:05,941 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 92.3 MB. Free memory is still 61.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 08:12:05,942 INFO L168 Benchmark]: CACSL2BoogieTranslator took 914.15 ms. Allocated memory is still 92.3 MB. Free memory was 62.7 MB in the beginning and 49.1 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-07 08:12:05,944 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 ms. Allocated memory is still 92.3 MB. Free memory is still 61.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 914.15 ms. Allocated memory is still 92.3 MB. Free memory was 62.7 MB in the beginning and 49.1 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test15-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY --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 e94333448b9ec2a5ffed0adee00d968fb025c54e55196475ef51117fcee9fc3a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 08:12:09,012 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 08:12:09,015 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 08:12:09,055 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 08:12:09,056 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 08:12:09,058 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 08:12:09,061 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 08:12:09,064 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 08:12:09,067 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 08:12:09,069 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 08:12:09,071 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 08:12:09,073 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 08:12:09,074 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 08:12:09,075 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 08:12:09,078 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 08:12:09,080 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 08:12:09,081 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 08:12:09,083 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 08:12:09,086 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 08:12:09,090 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 08:12:09,092 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 08:12:09,094 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 08:12:09,096 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 08:12:09,098 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 08:12:09,103 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 08:12:09,104 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 08:12:09,104 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 08:12:09,106 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 08:12:09,107 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 08:12:09,108 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 08:12:09,109 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 08:12:09,110 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 08:12:09,112 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 08:12:09,113 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 08:12:09,115 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 08:12:09,115 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 08:12:09,117 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 08:12:09,117 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 08:12:09,118 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 08:12:09,119 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 08:12:09,120 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 08:12:09,122 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-11-07 08:12:09,176 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 08:12:09,178 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 08:12:09,178 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 08:12:09,179 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 08:12:09,181 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 08:12:09,182 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 08:12:09,182 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 08:12:09,182 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 08:12:09,183 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 08:12:09,183 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 08:12:09,184 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 08:12:09,185 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 08:12:09,185 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 08:12:09,185 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-07 08:12:09,185 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-07 08:12:09,186 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-07 08:12:09,186 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 08:12:09,186 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 08:12:09,187 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 08:12:09,187 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 08:12:09,187 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 08:12:09,187 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 08:12:09,188 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 08:12:09,188 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 08:12:09,188 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 08:12:09,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 08:12:09,189 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 08:12:09,189 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 08:12:09,189 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-07 08:12:09,190 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 08:12:09,190 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 08:12:09,190 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 08:12:09,191 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_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e94333448b9ec2a5ffed0adee00d968fb025c54e55196475ef51117fcee9fc3a [2021-11-07 08:12:09,678 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 08:12:09,706 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 08:12:09,709 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 08:12:09,711 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 08:12:09,712 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 08:12:09,713 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/../../sv-benchmarks/c/ldv-memsafety/memleaks_test15-1.i [2021-11-07 08:12:09,788 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/data/8704018f1/4eeeb68c2d5944d4be8c2842b1ebeca8/FLAGd3cbba7c2 [2021-11-07 08:12:10,585 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 08:12:10,585 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/sv-benchmarks/c/ldv-memsafety/memleaks_test15-1.i [2021-11-07 08:12:10,604 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/data/8704018f1/4eeeb68c2d5944d4be8c2842b1ebeca8/FLAGd3cbba7c2 [2021-11-07 08:12:10,739 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/data/8704018f1/4eeeb68c2d5944d4be8c2842b1ebeca8 [2021-11-07 08:12:10,742 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 08:12:10,744 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-07 08:12:10,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 08:12:10,747 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 08:12:10,752 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 08:12:10,753 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:12:10" (1/1) ... [2021-11-07 08:12:10,754 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@222ce5a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:12:10, skipping insertion in model container [2021-11-07 08:12:10,755 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:12:10" (1/1) ... [2021-11-07 08:12:10,765 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 08:12:10,825 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 08:12:11,472 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 08:12:11,499 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 08:12:11,514 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 08:12:11,617 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 08:12:11,642 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 08:12:11,770 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 08:12:11,872 INFO L208 MainTranslator]: Completed translation [2021-11-07 08:12:11,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:12:11 WrapperNode [2021-11-07 08:12:11,873 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 08:12:11,874 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 08:12:11,875 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 08:12:11,875 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 08:12:11,890 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:12:11" (1/1) ... [2021-11-07 08:12:11,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:12:11" (1/1) ... [2021-11-07 08:12:11,950 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:12:11" (1/1) ... [2021-11-07 08:12:11,951 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:12:11" (1/1) ... [2021-11-07 08:12:12,038 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:12:11" (1/1) ... [2021-11-07 08:12:12,058 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:12:11" (1/1) ... [2021-11-07 08:12:12,067 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:12:11" (1/1) ... [2021-11-07 08:12:12,097 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 08:12:12,098 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 08:12:12,098 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 08:12:12,099 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 08:12:12,100 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:12:11" (1/1) ... [2021-11-07 08:12:12,131 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 08:12:12,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:12:12,166 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 08:12:12,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 08:12:12,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-11-07 08:12:12,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 08:12:12,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-07 08:12:12,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-11-07 08:12:12,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-11-07 08:12:12,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-11-07 08:12:12,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-11-07 08:12:12,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-11-07 08:12:12,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-11-07 08:12:12,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-11-07 08:12:12,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-11-07 08:12:12,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-07 08:12:12,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-07 08:12:12,244 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-11-07 08:12:12,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-11-07 08:12:12,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-11-07 08:12:12,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-11-07 08:12:12,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-11-07 08:12:12,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-11-07 08:12:12,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-11-07 08:12:12,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-11-07 08:12:12,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-11-07 08:12:12,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-11-07 08:12:12,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-11-07 08:12:12,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-11-07 08:12:12,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-07 08:12:12,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-11-07 08:12:12,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-11-07 08:12:12,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-11-07 08:12:12,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-11-07 08:12:12,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-11-07 08:12:12,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-11-07 08:12:12,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-11-07 08:12:12,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-11-07 08:12:12,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-11-07 08:12:12,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-11-07 08:12:12,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-11-07 08:12:12,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-11-07 08:12:12,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-11-07 08:12:12,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-11-07 08:12:12,249 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-11-07 08:12:12,249 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-11-07 08:12:12,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_hid_get_drvdata [2021-11-07 08:12:12,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_hid_set_drvdata [2021-11-07 08:12:12,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_arvo_init_arvo_device_struct [2021-11-07 08:12:12,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_arvo_init_specials_unsafe [2021-11-07 08:12:12,251 INFO L138 BoogieDeclarations]: Found implementation of procedure lvd_arvo_remove_specials [2021-11-07 08:12:12,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_arvo_probe_unsafe [2021-11-07 08:12:12,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_arvo_remove [2021-11-07 08:12:12,252 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-11-07 08:12:12,253 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-11-07 08:12:12,253 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-07 08:12:12,253 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-07 08:12:12,253 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-07 08:12:12,254 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-11-07 08:12:12,254 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-11-07 08:12:12,254 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-11-07 08:12:12,254 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-11-07 08:12:12,255 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-11-07 08:12:12,255 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-11-07 08:12:12,256 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-11-07 08:12:12,256 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-11-07 08:12:12,258 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-11-07 08:12:12,258 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-11-07 08:12:12,259 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-11-07 08:12:12,259 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-11-07 08:12:12,259 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-11-07 08:12:12,259 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-11-07 08:12:12,260 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-11-07 08:12:12,260 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-11-07 08:12:12,260 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-11-07 08:12:12,260 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-11-07 08:12:12,260 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-11-07 08:12:12,260 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-11-07 08:12:12,261 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-11-07 08:12:12,261 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-11-07 08:12:12,261 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-11-07 08:12:12,261 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-11-07 08:12:12,261 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-11-07 08:12:12,261 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-11-07 08:12:12,262 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-11-07 08:12:12,262 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-11-07 08:12:12,262 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-11-07 08:12:12,263 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-11-07 08:12:12,263 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-11-07 08:12:12,264 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-11-07 08:12:12,264 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-11-07 08:12:12,264 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-11-07 08:12:12,264 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-11-07 08:12:12,264 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-11-07 08:12:12,264 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-11-07 08:12:12,264 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-11-07 08:12:12,265 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-11-07 08:12:12,265 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-11-07 08:12:12,265 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-11-07 08:12:12,265 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-11-07 08:12:12,265 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-11-07 08:12:12,265 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-11-07 08:12:12,266 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-11-07 08:12:12,266 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-11-07 08:12:12,266 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-11-07 08:12:12,267 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-11-07 08:12:12,267 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-11-07 08:12:12,267 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-11-07 08:12:12,267 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-11-07 08:12:12,267 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-11-07 08:12:12,268 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-11-07 08:12:12,268 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-11-07 08:12:12,268 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-11-07 08:12:12,268 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-11-07 08:12:12,268 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-11-07 08:12:12,268 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-11-07 08:12:12,268 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-11-07 08:12:12,269 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-11-07 08:12:12,269 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-11-07 08:12:12,269 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-11-07 08:12:12,269 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-11-07 08:12:12,269 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-11-07 08:12:12,269 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-11-07 08:12:12,270 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-11-07 08:12:12,270 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-11-07 08:12:12,270 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-11-07 08:12:12,271 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-11-07 08:12:12,272 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-11-07 08:12:12,276 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-11-07 08:12:12,276 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-11-07 08:12:12,276 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-11-07 08:12:12,278 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-11-07 08:12:12,279 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-11-07 08:12:12,280 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-11-07 08:12:12,280 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-11-07 08:12:12,280 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-11-07 08:12:12,281 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-11-07 08:12:12,287 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-11-07 08:12:12,287 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-11-07 08:12:12,287 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-11-07 08:12:12,287 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-11-07 08:12:12,288 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-11-07 08:12:12,288 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-11-07 08:12:12,288 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-11-07 08:12:12,288 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-11-07 08:12:12,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-11-07 08:12:12,288 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-11-07 08:12:12,289 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-11-07 08:12:12,289 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-11-07 08:12:12,289 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-11-07 08:12:12,289 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-11-07 08:12:12,289 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-11-07 08:12:12,289 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-11-07 08:12:12,289 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-11-07 08:12:12,290 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-11-07 08:12:12,290 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-11-07 08:12:12,290 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-11-07 08:12:12,290 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-11-07 08:12:12,290 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-11-07 08:12:12,290 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-11-07 08:12:12,290 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-11-07 08:12:12,291 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-11-07 08:12:12,291 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-11-07 08:12:12,291 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-11-07 08:12:12,291 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-11-07 08:12:12,291 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-07 08:12:12,291 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-11-07 08:12:12,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-11-07 08:12:12,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-11-07 08:12:12,292 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-11-07 08:12:12,292 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-11-07 08:12:12,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-07 08:12:12,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 08:12:12,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-07 08:12:12,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-07 08:12:12,293 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-11-07 08:12:12,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 08:12:12,293 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-11-07 08:12:12,293 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-11-07 08:12:12,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-11-07 08:12:12,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 08:12:12,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-11-07 08:12:12,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-11-07 08:12:12,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-11-07 08:12:12,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-11-07 08:12:12,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-07 08:12:12,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-11-07 08:12:12,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 08:12:12,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-11-07 08:12:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-11-07 08:12:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-11-07 08:12:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-07 08:12:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-11-07 08:12:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-07 08:12:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-07 08:12:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-11-07 08:12:12,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-11-07 08:12:12,296 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-07 08:12:12,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-11-07 08:12:12,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-11-07 08:12:12,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-11-07 08:12:12,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-11-07 08:12:12,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-11-07 08:12:12,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-11-07 08:12:12,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-11-07 08:12:12,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-11-07 08:12:12,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-11-07 08:12:12,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-11-07 08:12:12,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-11-07 08:12:12,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-07 08:12:12,298 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-11-07 08:12:12,298 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-11-07 08:12:12,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_hid_get_drvdata [2021-11-07 08:12:12,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_hid_set_drvdata [2021-11-07 08:12:12,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_arvo_init_arvo_device_struct [2021-11-07 08:12:12,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_arvo_init_specials_unsafe [2021-11-07 08:12:12,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-07 08:12:12,308 INFO L130 BoogieDeclarations]: Found specification of procedure lvd_arvo_remove_specials [2021-11-07 08:12:12,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_arvo_probe_unsafe [2021-11-07 08:12:12,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_arvo_remove [2021-11-07 08:12:12,308 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-11-07 08:12:12,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-07 08:12:12,309 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-11-07 08:12:12,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-11-07 08:12:12,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 08:12:12,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 08:12:12,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 08:12:12,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-11-07 08:12:12,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-07 08:12:12,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-07 08:12:12,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-07 08:12:12,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-07 08:12:12,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-07 08:12:12,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-07 08:12:13,092 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 08:12:13,603 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 08:12:14,372 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 08:12:14,375 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-07 08:12:14,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:12:14 BoogieIcfgContainer [2021-11-07 08:12:14,380 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 08:12:14,386 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 08:12:14,386 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 08:12:14,390 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 08:12:14,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:12:10" (1/3) ... [2021-11-07 08:12:14,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57447ae5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:12:14, skipping insertion in model container [2021-11-07 08:12:14,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:12:11" (2/3) ... [2021-11-07 08:12:14,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57447ae5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:12:14, skipping insertion in model container [2021-11-07 08:12:14,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:12:14" (3/3) ... [2021-11-07 08:12:14,394 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test15-1.i [2021-11-07 08:12:14,402 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 08:12:14,402 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 116 error locations. [2021-11-07 08:12:14,464 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 08:12:14,471 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 08:12:14,471 INFO L340 AbstractCegarLoop]: Starting to check reachability of 116 error locations. [2021-11-07 08:12:14,510 INFO L276 IsEmpty]: Start isEmpty. Operand has 174 states, 90 states have (on average 1.6666666666666667) internal successors, (150), 141 states have internal predecessors, (150), 18 states have call successors, (18), 15 states have call predecessors, (18), 15 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2021-11-07 08:12:14,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-07 08:12:14,542 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:12:14,543 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:12:14,544 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 112 more)] === [2021-11-07 08:12:14,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:12:14,552 INFO L85 PathProgramCache]: Analyzing trace with hash 2015920707, now seen corresponding path program 1 times [2021-11-07 08:12:14,565 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-07 08:12:14,565 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [450782794] [2021-11-07 08:12:14,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:12:14,566 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 08:12:14,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/mathsat [2021-11-07 08:12:14,571 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 08:12:14,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 08:12:14,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:12:14,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 08:12:14,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:12:14,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:12:14,995 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 08:12:15,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:12:15,230 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-07 08:12:15,230 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [450782794] [2021-11-07 08:12:15,231 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [450782794] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 08:12:15,231 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:12:15,231 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2021-11-07 08:12:15,234 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123518104] [2021-11-07 08:12:15,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 08:12:15,241 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-07 08:12:15,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 08:12:15,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-07 08:12:15,267 INFO L87 Difference]: Start difference. First operand has 174 states, 90 states have (on average 1.6666666666666667) internal successors, (150), 141 states have internal predecessors, (150), 18 states have call successors, (18), 15 states have call predecessors, (18), 15 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 2 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-07 08:12:15,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:12:15,429 INFO L93 Difference]: Finished difference Result 174 states and 185 transitions. [2021-11-07 08:12:15,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 08:12:15,432 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 2 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) Word has length 20 [2021-11-07 08:12:15,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:12:15,450 INFO L225 Difference]: With dead ends: 174 [2021-11-07 08:12:15,450 INFO L226 Difference]: Without dead ends: 171 [2021-11-07 08:12:15,453 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-07 08:12:15,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2021-11-07 08:12:15,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2021-11-07 08:12:15,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 89 states have (on average 1.651685393258427) internal successors, (147), 139 states have internal predecessors, (147), 18 states have call successors, (18), 15 states have call predecessors, (18), 14 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2021-11-07 08:12:15,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 182 transitions. [2021-11-07 08:12:15,556 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 182 transitions. Word has length 20 [2021-11-07 08:12:15,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:12:15,558 INFO L470 AbstractCegarLoop]: Abstraction has 171 states and 182 transitions. [2021-11-07 08:12:15,559 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 2 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-07 08:12:15,559 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 182 transitions. [2021-11-07 08:12:15,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-07 08:12:15,561 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:12:15,562 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:12:15,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-07 08:12:15,772 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 [2021-11-07 08:12:15,773 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 112 more)] === [2021-11-07 08:12:15,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:12:15,774 INFO L85 PathProgramCache]: Analyzing trace with hash -19424916, now seen corresponding path program 1 times [2021-11-07 08:12:15,775 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-07 08:12:15,776 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [61046117] [2021-11-07 08:12:15,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:12:15,776 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 08:12:15,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/mathsat [2021-11-07 08:12:15,795 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 08:12:15,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 08:12:16,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:12:16,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 08:12:16,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:12:16,223 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 08:12:16,224 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 08:12:16,398 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 08:12:16,398 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-07 08:12:16,399 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [61046117] [2021-11-07 08:12:16,399 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [61046117] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 08:12:16,399 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:12:16,400 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2021-11-07 08:12:16,400 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381815599] [2021-11-07 08:12:16,402 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 08:12:16,402 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-07 08:12:16,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 08:12:16,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-07 08:12:16,405 INFO L87 Difference]: Start difference. First operand 171 states and 182 transitions. Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-07 08:12:16,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:12:16,596 INFO L93 Difference]: Finished difference Result 171 states and 181 transitions. [2021-11-07 08:12:16,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 08:12:16,598 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 29 [2021-11-07 08:12:16,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:12:16,605 INFO L225 Difference]: With dead ends: 171 [2021-11-07 08:12:16,605 INFO L226 Difference]: Without dead ends: 171 [2021-11-07 08:12:16,607 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-07 08:12:16,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2021-11-07 08:12:16,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2021-11-07 08:12:16,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 89 states have (on average 1.6404494382022472) internal successors, (146), 139 states have internal predecessors, (146), 18 states have call successors, (18), 15 states have call predecessors, (18), 14 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2021-11-07 08:12:16,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 181 transitions. [2021-11-07 08:12:16,637 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 181 transitions. Word has length 29 [2021-11-07 08:12:16,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:12:16,638 INFO L470 AbstractCegarLoop]: Abstraction has 171 states and 181 transitions. [2021-11-07 08:12:16,638 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-07 08:12:16,638 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 181 transitions. [2021-11-07 08:12:16,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-07 08:12:16,640 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:12:16,640 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:12:16,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 08:12:16,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 [2021-11-07 08:12:16,855 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting entry_pointErr0REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 112 more)] === [2021-11-07 08:12:16,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:12:16,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1436515094, now seen corresponding path program 1 times [2021-11-07 08:12:16,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-07 08:12:16,857 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1660723586] [2021-11-07 08:12:16,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:12:16,858 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 08:12:16,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/mathsat [2021-11-07 08:12:16,859 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 08:12:16,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 08:12:17,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:12:17,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 08:12:17,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:12:17,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-07 08:12:17,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-07 08:12:17,665 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-11-07 08:12:17,665 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 22 treesize of output 27 [2021-11-07 08:12:17,720 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 08:12:17,720 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 08:12:18,189 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-07 08:12:18,190 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-07 08:12:18,190 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1660723586] [2021-11-07 08:12:18,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1660723586] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 08:12:18,190 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 08:12:18,191 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 9 [2021-11-07 08:12:18,191 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187917718] [2021-11-07 08:12:18,192 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-07 08:12:18,192 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-07 08:12:18,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-07 08:12:18,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-11-07 08:12:18,193 INFO L87 Difference]: Start difference. First operand 171 states and 181 transitions. Second operand has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 8 states have internal predecessors, (23), 5 states have call successors, (12), 4 states have call predecessors, (12), 5 states have return successors, (10), 6 states have call predecessors, (10), 5 states have call successors, (10) [2021-11-07 08:12:20,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:12:20,179 INFO L93 Difference]: Finished difference Result 210 states and 227 transitions. [2021-11-07 08:12:20,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-07 08:12:20,180 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 8 states have internal predecessors, (23), 5 states have call successors, (12), 4 states have call predecessors, (12), 5 states have return successors, (10), 6 states have call predecessors, (10), 5 states have call successors, (10) Word has length 38 [2021-11-07 08:12:20,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:12:20,184 INFO L225 Difference]: With dead ends: 210 [2021-11-07 08:12:20,184 INFO L226 Difference]: Without dead ends: 210 [2021-11-07 08:12:20,190 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 56 SyntacticMatches, 12 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2021-11-07 08:12:20,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2021-11-07 08:12:20,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 185. [2021-11-07 08:12:20,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 101 states have (on average 1.5841584158415842) internal successors, (160), 150 states have internal predecessors, (160), 19 states have call successors, (19), 15 states have call predecessors, (19), 18 states have return successors, (23), 21 states have call predecessors, (23), 18 states have call successors, (23) [2021-11-07 08:12:20,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 202 transitions. [2021-11-07 08:12:20,218 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 202 transitions. Word has length 38 [2021-11-07 08:12:20,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:12:20,218 INFO L470 AbstractCegarLoop]: Abstraction has 185 states and 202 transitions. [2021-11-07 08:12:20,219 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 8 states have internal predecessors, (23), 5 states have call successors, (12), 4 states have call predecessors, (12), 5 states have return successors, (10), 6 states have call predecessors, (10), 5 states have call successors, (10) [2021-11-07 08:12:20,219 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 202 transitions. [2021-11-07 08:12:20,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-07 08:12:20,220 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:12:20,221 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:12:20,239 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 08:12:20,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 [2021-11-07 08:12:20,421 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting entry_pointErr1REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 112 more)] === [2021-11-07 08:12:20,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:12:20,422 INFO L85 PathProgramCache]: Analyzing trace with hash 1436515095, now seen corresponding path program 1 times [2021-11-07 08:12:20,423 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-07 08:12:20,423 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [659724495] [2021-11-07 08:12:20,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:12:20,423 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 08:12:20,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/mathsat [2021-11-07 08:12:20,426 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 08:12:20,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 08:12:20,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:12:20,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-07 08:12:20,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:12:20,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-07 08:12:20,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-07 08:12:23,287 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 13 treesize of output 12 [2021-11-07 08:12:23,415 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-07 08:12:23,416 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 31 treesize of output 33 [2021-11-07 08:12:23,433 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-07 08:12:23,434 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 25 treesize of output 25 [2021-11-07 08:12:23,488 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 08:12:23,489 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 08:12:41,489 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 26 treesize of output 24 [2021-11-07 08:12:41,567 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-07 08:12:41,567 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-07 08:12:41,567 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [659724495] [2021-11-07 08:12:41,571 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [659724495] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 08:12:41,572 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 08:12:41,572 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 16 [2021-11-07 08:12:41,574 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870281492] [2021-11-07 08:12:41,575 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-07 08:12:41,575 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-07 08:12:41,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-07 08:12:41,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=220, Unknown=7, NotChecked=0, Total=272 [2021-11-07 08:12:41,577 INFO L87 Difference]: Start difference. First operand 185 states and 202 transitions. Second operand has 17 states, 16 states have (on average 1.8125) internal successors, (29), 11 states have internal predecessors, (29), 7 states have call successors, (12), 4 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 7 states have call successors, (11) [2021-11-07 08:14:36,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:14:36,471 INFO L93 Difference]: Finished difference Result 204 states and 224 transitions. [2021-11-07 08:14:36,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-07 08:14:36,472 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 1.8125) internal successors, (29), 11 states have internal predecessors, (29), 7 states have call successors, (12), 4 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 7 states have call successors, (11) Word has length 38 [2021-11-07 08:14:36,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:14:36,475 INFO L225 Difference]: With dead ends: 204 [2021-11-07 08:14:36,476 INFO L226 Difference]: Without dead ends: 204 [2021-11-07 08:14:36,477 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 61 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 25.3s TimeCoverageRelationStatistics Valid=125, Invalid=516, Unknown=9, NotChecked=0, Total=650 [2021-11-07 08:14:36,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2021-11-07 08:14:36,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 185. [2021-11-07 08:14:36,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 104 states have (on average 1.5) internal successors, (156), 148 states have internal predecessors, (156), 20 states have call successors, (20), 16 states have call predecessors, (20), 19 states have return successors, (24), 22 states have call predecessors, (24), 19 states have call successors, (24) [2021-11-07 08:14:36,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 200 transitions. [2021-11-07 08:14:36,493 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 200 transitions. Word has length 38 [2021-11-07 08:14:36,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:14:36,494 INFO L470 AbstractCegarLoop]: Abstraction has 185 states and 200 transitions. [2021-11-07 08:14:36,494 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 1.8125) internal successors, (29), 11 states have internal predecessors, (29), 7 states have call successors, (12), 4 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 7 states have call successors, (11) [2021-11-07 08:14:36,495 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 200 transitions. [2021-11-07 08:14:36,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-07 08:14:36,497 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:14:36,497 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:14:36,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 08:14:36,712 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 [2021-11-07 08:14:36,712 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 112 more)] === [2021-11-07 08:14:36,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:14:36,713 INFO L85 PathProgramCache]: Analyzing trace with hash 2009561276, now seen corresponding path program 1 times [2021-11-07 08:14:36,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-07 08:14:36,713 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [175478055] [2021-11-07 08:14:36,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:14:36,714 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 08:14:36,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/mathsat [2021-11-07 08:14:36,717 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 08:14:36,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 08:14:37,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:14:37,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 08:14:37,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:14:37,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 18 treesize of output 14 [2021-11-07 08:14:37,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 20 treesize of output 8 [2021-11-07 08:14:37,367 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-07 08:14:37,367 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 08:14:37,612 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-07 08:14:37,613 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-07 08:14:37,613 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [175478055] [2021-11-07 08:14:37,613 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [175478055] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 08:14:37,613 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:14:37,613 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2021-11-07 08:14:37,614 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535522729] [2021-11-07 08:14:37,614 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 08:14:37,615 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-07 08:14:37,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 08:14:37,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-07 08:14:37,616 INFO L87 Difference]: Start difference. First operand 185 states and 200 transitions. Second operand has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 2 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-07 08:14:37,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:14:37,959 INFO L93 Difference]: Finished difference Result 182 states and 195 transitions. [2021-11-07 08:14:37,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 08:14:37,963 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 2 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 43 [2021-11-07 08:14:37,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:14:37,965 INFO L225 Difference]: With dead ends: 182 [2021-11-07 08:14:37,966 INFO L226 Difference]: Without dead ends: 182 [2021-11-07 08:14:37,967 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-11-07 08:14:37,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2021-11-07 08:14:37,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2021-11-07 08:14:37,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 101 states have (on average 1.495049504950495) internal successors, (151), 145 states have internal predecessors, (151), 20 states have call successors, (20), 16 states have call predecessors, (20), 19 states have return successors, (24), 22 states have call predecessors, (24), 19 states have call successors, (24) [2021-11-07 08:14:37,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 195 transitions. [2021-11-07 08:14:37,990 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 195 transitions. Word has length 43 [2021-11-07 08:14:37,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:14:37,991 INFO L470 AbstractCegarLoop]: Abstraction has 182 states and 195 transitions. [2021-11-07 08:14:37,992 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 2 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-07 08:14:37,992 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 195 transitions. [2021-11-07 08:14:37,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-07 08:14:37,994 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:14:37,994 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:14:38,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 08:14:38,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 [2021-11-07 08:14:38,200 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting entry_pointErr6REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 112 more)] === [2021-11-07 08:14:38,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:14:38,201 INFO L85 PathProgramCache]: Analyzing trace with hash 2009562273, now seen corresponding path program 1 times [2021-11-07 08:14:38,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-07 08:14:38,202 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [977106863] [2021-11-07 08:14:38,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:14:38,202 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 08:14:38,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/mathsat [2021-11-07 08:14:38,204 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 08:14:38,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 08:14:38,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:14:38,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 08:14:38,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:14:38,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-07 08:14:38,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 26 treesize of output 22 [2021-11-07 08:14:38,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 16 [2021-11-07 08:14:38,994 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-07 08:14:38,995 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 08:14:39,345 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-07 08:14:39,345 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-07 08:14:39,345 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [977106863] [2021-11-07 08:14:39,346 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [977106863] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 08:14:39,346 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:14:39,346 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 7 [2021-11-07 08:14:39,346 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997861243] [2021-11-07 08:14:39,347 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 08:14:39,347 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-07 08:14:39,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 08:14:39,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-11-07 08:14:39,348 INFO L87 Difference]: Start difference. First operand 182 states and 195 transitions. Second operand has 8 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-07 08:14:40,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:14:40,660 INFO L93 Difference]: Finished difference Result 189 states and 204 transitions. [2021-11-07 08:14:40,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 08:14:40,664 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 43 [2021-11-07 08:14:40,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:14:40,666 INFO L225 Difference]: With dead ends: 189 [2021-11-07 08:14:40,667 INFO L226 Difference]: Without dead ends: 189 [2021-11-07 08:14:40,667 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 72 SyntacticMatches, 7 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2021-11-07 08:14:40,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2021-11-07 08:14:40,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 181. [2021-11-07 08:14:40,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 101 states have (on average 1.4851485148514851) internal successors, (150), 144 states have internal predecessors, (150), 20 states have call successors, (20), 16 states have call predecessors, (20), 19 states have return successors, (24), 22 states have call predecessors, (24), 19 states have call successors, (24) [2021-11-07 08:14:40,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 194 transitions. [2021-11-07 08:14:40,682 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 194 transitions. Word has length 43 [2021-11-07 08:14:40,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:14:40,683 INFO L470 AbstractCegarLoop]: Abstraction has 181 states and 194 transitions. [2021-11-07 08:14:40,684 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-07 08:14:40,684 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 194 transitions. [2021-11-07 08:14:40,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-07 08:14:40,686 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:14:40,687 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:14:40,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-07 08:14:40,900 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 [2021-11-07 08:14:40,900 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting entry_pointErr7REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 112 more)] === [2021-11-07 08:14:40,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:14:40,901 INFO L85 PathProgramCache]: Analyzing trace with hash 2009562274, now seen corresponding path program 1 times [2021-11-07 08:14:40,902 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-07 08:14:40,902 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1853910259] [2021-11-07 08:14:40,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:14:40,902 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 08:14:40,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/mathsat [2021-11-07 08:14:40,903 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 08:14:40,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-07 08:14:41,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:14:41,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-07 08:14:41,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:14:41,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-07 08:14:41,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 13 treesize of output 9 [2021-11-07 08:14:41,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 19 treesize of output 15 [2021-11-07 08:14:41,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 39 treesize of output 27 [2021-11-07 08:14:41,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 24 treesize of output 12 [2021-11-07 08:14:41,709 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-07 08:14:41,709 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 08:14:43,033 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-07 08:14:43,033 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-07 08:14:43,033 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1853910259] [2021-11-07 08:14:43,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1853910259] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 08:14:43,034 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:14:43,034 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 11 [2021-11-07 08:14:43,034 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17739502] [2021-11-07 08:14:43,035 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-07 08:14:43,035 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-07 08:14:43,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-07 08:14:43,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-11-07 08:14:43,036 INFO L87 Difference]: Start difference. First operand 181 states and 194 transitions. Second operand has 12 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 10 states have internal predecessors, (29), 3 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (8), 5 states have call predecessors, (8), 3 states have call successors, (8) [2021-11-07 08:14:45,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:14:45,390 INFO L93 Difference]: Finished difference Result 181 states and 194 transitions. [2021-11-07 08:14:45,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 08:14:45,400 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 10 states have internal predecessors, (29), 3 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (8), 5 states have call predecessors, (8), 3 states have call successors, (8) Word has length 43 [2021-11-07 08:14:45,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:14:45,403 INFO L225 Difference]: With dead ends: 181 [2021-11-07 08:14:45,403 INFO L226 Difference]: Without dead ends: 181 [2021-11-07 08:14:45,403 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2021-11-07 08:14:45,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2021-11-07 08:14:45,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 180. [2021-11-07 08:14:45,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 101 states have (on average 1.4752475247524752) internal successors, (149), 143 states have internal predecessors, (149), 20 states have call successors, (20), 16 states have call predecessors, (20), 19 states have return successors, (24), 22 states have call predecessors, (24), 19 states have call successors, (24) [2021-11-07 08:14:45,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 193 transitions. [2021-11-07 08:14:45,447 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 193 transitions. Word has length 43 [2021-11-07 08:14:45,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:14:45,450 INFO L470 AbstractCegarLoop]: Abstraction has 180 states and 193 transitions. [2021-11-07 08:14:45,451 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 10 states have internal predecessors, (29), 3 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (8), 5 states have call predecessors, (8), 3 states have call successors, (8) [2021-11-07 08:14:45,451 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 193 transitions. [2021-11-07 08:14:45,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-07 08:14:45,453 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:14:45,453 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:14:45,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-07 08:14:45,677 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 [2021-11-07 08:14:45,678 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting entry_pointErr8REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 112 more)] === [2021-11-07 08:14:45,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:14:45,678 INFO L85 PathProgramCache]: Analyzing trace with hash -1545924638, now seen corresponding path program 1 times [2021-11-07 08:14:45,678 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-07 08:14:45,679 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1756470380] [2021-11-07 08:14:45,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:14:45,679 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 08:14:45,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/mathsat [2021-11-07 08:14:45,680 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 08:14:45,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-07 08:14:46,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:14:46,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-07 08:14:46,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:14:46,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-07 08:14:46,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2021-11-07 08:14:46,566 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-11-07 08:14:46,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 33 [2021-11-07 08:14:46,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-07 08:14:46,985 INFO L354 Elim1Store]: treesize reduction 30, result has 36.2 percent of original size [2021-11-07 08:14:46,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 31 treesize of output 42 [2021-11-07 08:14:47,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 22 treesize of output 18 [2021-11-07 08:14:47,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 15 treesize of output 9 [2021-11-07 08:14:47,496 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-07 08:14:47,496 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 08:15:13,208 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 8 refuted. 4 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-07 08:15:13,208 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-07 08:15:13,208 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1756470380] [2021-11-07 08:15:13,208 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1756470380] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 08:15:13,209 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 08:15:13,209 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9] total 20 [2021-11-07 08:15:13,209 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081570698] [2021-11-07 08:15:13,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-11-07 08:15:13,210 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-07 08:15:13,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-11-07 08:15:13,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=327, Unknown=12, NotChecked=0, Total=420 [2021-11-07 08:15:13,212 INFO L87 Difference]: Start difference. First operand 180 states and 193 transitions. Second operand has 21 states, 20 states have (on average 2.4) internal successors, (48), 16 states have internal predecessors, (48), 10 states have call successors, (14), 5 states have call predecessors, (14), 8 states have return successors, (13), 12 states have call predecessors, (13), 10 states have call successors, (13) [2021-11-07 08:19:24,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:19:24,240 INFO L93 Difference]: Finished difference Result 205 states and 221 transitions. [2021-11-07 08:19:24,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-07 08:19:24,241 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 2.4) internal successors, (48), 16 states have internal predecessors, (48), 10 states have call successors, (14), 5 states have call predecessors, (14), 8 states have return successors, (13), 12 states have call predecessors, (13), 10 states have call successors, (13) Word has length 45 [2021-11-07 08:19:24,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:19:24,244 INFO L225 Difference]: With dead ends: 205 [2021-11-07 08:19:24,244 INFO L226 Difference]: Without dead ends: 205 [2021-11-07 08:19:24,245 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 61 SyntacticMatches, 10 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 28.1s TimeCoverageRelationStatistics Valid=174, Invalid=683, Unknown=13, NotChecked=0, Total=870 [2021-11-07 08:19:24,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2021-11-07 08:19:24,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 179. [2021-11-07 08:19:24,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 101 states have (on average 1.4653465346534653) internal successors, (148), 142 states have internal predecessors, (148), 20 states have call successors, (20), 16 states have call predecessors, (20), 19 states have return successors, (24), 22 states have call predecessors, (24), 19 states have call successors, (24) [2021-11-07 08:19:24,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 192 transitions. [2021-11-07 08:19:24,256 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 192 transitions. Word has length 45 [2021-11-07 08:19:24,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:19:24,257 INFO L470 AbstractCegarLoop]: Abstraction has 179 states and 192 transitions. [2021-11-07 08:19:24,257 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 2.4) internal successors, (48), 16 states have internal predecessors, (48), 10 states have call successors, (14), 5 states have call predecessors, (14), 8 states have return successors, (13), 12 states have call predecessors, (13), 10 states have call successors, (13) [2021-11-07 08:19:24,258 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 192 transitions. [2021-11-07 08:19:24,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-07 08:19:24,259 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:19:24,259 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:19:24,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-07 08:19:24,472 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 [2021-11-07 08:19:24,472 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting entry_pointErr9REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 112 more)] === [2021-11-07 08:19:24,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:19:24,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1545924637, now seen corresponding path program 1 times [2021-11-07 08:19:24,474 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-07 08:19:24,474 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [147143145] [2021-11-07 08:19:24,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:19:24,474 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 08:19:24,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/mathsat [2021-11-07 08:19:24,475 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 08:19:24,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-07 08:19:24,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:19:24,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-07 08:19:24,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:19:25,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-07 08:19:25,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-07 08:19:25,453 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 19 treesize of output 18 [2021-11-07 08:19:25,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2021-11-07 08:19:25,716 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-07 08:19:25,716 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 42 treesize of output 44 [2021-11-07 08:19:25,756 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-11-07 08:19:25,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 43 [2021-11-07 08:19:28,086 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 13 treesize of output 12 [2021-11-07 08:19:28,234 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-07 08:19:28,235 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 48 treesize of output 50 [2021-11-07 08:19:28,277 INFO L354 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2021-11-07 08:19:28,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 44 [2021-11-07 08:19:28,409 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 08:19:28,409 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 08:19:41,621 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-07 08:19:41,622 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [147143145] [2021-11-07 08:19:41,622 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Shadow problem: [|v_ldv_zalloc_#t~malloc13.base_87|] [2021-11-07 08:19:41,622 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [908921477] [2021-11-07 08:19:41,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:19:41,623 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 08:19:41,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/cvc4 [2021-11-07 08:19:41,625 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 08:19:41,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2021-11-07 08:19:42,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:19:42,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-07 08:19:42,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:19:42,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-07 08:19:42,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-07 08:19:42,706 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 21 treesize of output 20 [2021-11-07 08:19:42,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 12 [2021-11-07 08:19:42,950 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-07 08:19:42,951 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 37 treesize of output 39 [2021-11-07 08:19:42,991 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-11-07 08:19:42,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 38 [2021-11-07 08:19:43,206 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 14 treesize of output 13 [2021-11-07 08:19:43,347 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-07 08:19:43,347 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 48 treesize of output 50 [2021-11-07 08:19:43,390 INFO L354 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2021-11-07 08:19:43,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 44 [2021-11-07 08:19:43,516 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 08:19:43,516 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 08:20:04,993 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Shadow problem: [|v_ldv_zalloc_#t~malloc13.base_87|] [2021-11-07 08:20:04,993 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1949516250] [2021-11-07 08:20:04,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:20:04,994 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:20:04,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:20:04,995 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 08:20:04,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-07 08:20:05,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:20:05,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-07 08:20:05,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:20:05,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-07 08:20:05,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-07 08:20:05,845 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 22 treesize of output 21 [2021-11-07 08:20:05,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2021-11-07 08:20:06,058 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-07 08:20:06,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 38 [2021-11-07 08:20:06,097 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-11-07 08:20:06,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 37 [2021-11-07 08:20:06,375 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 13 treesize of output 12 [2021-11-07 08:20:06,533 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-07 08:20:06,533 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 50 treesize of output 52 [2021-11-07 08:20:06,589 INFO L354 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2021-11-07 08:20:06,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 46 [2021-11-07 08:20:06,720 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 08:20:06,720 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 08:20:44,816 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Shadow problem: [|v_ldv_zalloc_#t~malloc13.base_87|] [2021-11-07 08:20:44,817 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:20:44,817 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-11-07 08:20:44,817 ERROR L172 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2021-11-07 08:20:44,817 INFO L627 BasicCegarLoop]: Counterexample might be feasible [2021-11-07 08:20:44,826 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr9REQUIRES_VIOLATION [2021-11-07 08:20:44,829 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr0REQUIRES_VIOLATION [2021-11-07 08:20:44,829 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr1REQUIRES_VIOLATION [2021-11-07 08:20:44,830 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr0REQUIRES_VIOLATION [2021-11-07 08:20:44,830 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr1REQUIRES_VIOLATION [2021-11-07 08:20:44,830 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION [2021-11-07 08:20:44,830 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION [2021-11-07 08:20:44,831 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION [2021-11-07 08:20:44,831 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION [2021-11-07 08:20:44,831 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION [2021-11-07 08:20:44,831 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION [2021-11-07 08:20:44,832 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION [2021-11-07 08:20:44,832 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION [2021-11-07 08:20:44,832 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr0REQUIRES_VIOLATION [2021-11-07 08:20:44,832 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr1REQUIRES_VIOLATION [2021-11-07 08:20:44,833 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr2REQUIRES_VIOLATION [2021-11-07 08:20:44,833 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr3REQUIRES_VIOLATION [2021-11-07 08:20:44,833 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr4REQUIRES_VIOLATION [2021-11-07 08:20:44,833 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr5REQUIRES_VIOLATION [2021-11-07 08:20:44,834 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr6REQUIRES_VIOLATION [2021-11-07 08:20:44,834 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr7REQUIRES_VIOLATION [2021-11-07 08:20:44,834 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION [2021-11-07 08:20:44,834 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION [2021-11-07 08:20:44,835 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_arvo_init_arvo_device_structErr0REQUIRES_VIOLATION [2021-11-07 08:20:44,835 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_arvo_init_arvo_device_structErr1REQUIRES_VIOLATION [2021-11-07 08:20:44,835 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_arvo_init_arvo_device_structErr2REQUIRES_VIOLATION [2021-11-07 08:20:44,835 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_arvo_init_arvo_device_structErr3REQUIRES_VIOLATION [2021-11-07 08:20:44,836 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_arvo_init_arvo_device_structErr4REQUIRES_VIOLATION [2021-11-07 08:20:44,836 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_arvo_init_arvo_device_structErr5REQUIRES_VIOLATION [2021-11-07 08:20:44,836 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr0REQUIRES_VIOLATION [2021-11-07 08:20:44,836 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr1REQUIRES_VIOLATION [2021-11-07 08:20:44,837 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr2REQUIRES_VIOLATION [2021-11-07 08:20:44,837 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr3REQUIRES_VIOLATION [2021-11-07 08:20:44,837 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION [2021-11-07 08:20:44,837 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION [2021-11-07 08:20:44,838 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION [2021-11-07 08:20:44,838 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION [2021-11-07 08:20:44,838 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr0REQUIRES_VIOLATION [2021-11-07 08:20:44,838 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr1REQUIRES_VIOLATION [2021-11-07 08:20:44,839 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr0REQUIRES_VIOLATION [2021-11-07 08:20:44,839 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr1REQUIRES_VIOLATION [2021-11-07 08:20:44,839 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr2REQUIRES_VIOLATION [2021-11-07 08:20:44,839 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr3REQUIRES_VIOLATION [2021-11-07 08:20:44,840 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr4REQUIRES_VIOLATION [2021-11-07 08:20:44,840 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr5REQUIRES_VIOLATION [2021-11-07 08:20:44,840 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION [2021-11-07 08:20:44,840 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION [2021-11-07 08:20:44,841 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr0REQUIRES_VIOLATION [2021-11-07 08:20:44,841 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr1REQUIRES_VIOLATION [2021-11-07 08:20:44,841 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE [2021-11-07 08:20:44,842 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE [2021-11-07 08:20:44,842 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE [2021-11-07 08:20:44,842 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE [2021-11-07 08:20:44,842 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE [2021-11-07 08:20:44,843 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE [2021-11-07 08:20:44,843 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK [2021-11-07 08:20:44,843 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_arvo_init_specials_unsafeErr0REQUIRES_VIOLATION [2021-11-07 08:20:44,843 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_arvo_init_specials_unsafeErr1REQUIRES_VIOLATION [2021-11-07 08:20:44,844 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_arvo_init_specials_unsafeErr2REQUIRES_VIOLATION [2021-11-07 08:20:44,844 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_arvo_init_specials_unsafeErr3REQUIRES_VIOLATION [2021-11-07 08:20:44,844 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_arvo_init_specials_unsafeErr4REQUIRES_VIOLATION [2021-11-07 08:20:44,844 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_arvo_init_specials_unsafeErr5REQUIRES_VIOLATION [2021-11-07 08:20:44,845 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_arvo_init_specials_unsafeErr6ASSERT_VIOLATIONMEMORY_FREE [2021-11-07 08:20:44,845 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_arvo_init_specials_unsafeErr7ASSERT_VIOLATIONMEMORY_FREE [2021-11-07 08:20:44,845 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_arvo_init_specials_unsafeErr8ASSERT_VIOLATIONMEMORY_FREE [2021-11-07 08:20:44,846 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr0REQUIRES_VIOLATION [2021-11-07 08:20:44,846 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr1REQUIRES_VIOLATION [2021-11-07 08:20:44,846 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr2REQUIRES_VIOLATION [2021-11-07 08:20:44,846 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr3REQUIRES_VIOLATION [2021-11-07 08:20:44,847 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr4REQUIRES_VIOLATION [2021-11-07 08:20:44,847 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr5REQUIRES_VIOLATION [2021-11-07 08:20:44,847 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION [2021-11-07 08:20:44,847 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION [2021-11-07 08:20:44,848 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE [2021-11-07 08:20:44,848 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE [2021-11-07 08:20:44,848 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE [2021-11-07 08:20:44,848 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE [2021-11-07 08:20:44,849 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE [2021-11-07 08:20:44,849 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE [2021-11-07 08:20:44,849 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr0REQUIRES_VIOLATION [2021-11-07 08:20:44,849 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr1REQUIRES_VIOLATION [2021-11-07 08:20:44,850 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr0REQUIRES_VIOLATION [2021-11-07 08:20:44,850 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr1REQUIRES_VIOLATION [2021-11-07 08:20:44,850 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr2REQUIRES_VIOLATION [2021-11-07 08:20:44,850 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr3REQUIRES_VIOLATION [2021-11-07 08:20:44,851 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lvd_arvo_remove_specialsErr0REQUIRES_VIOLATION [2021-11-07 08:20:44,851 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lvd_arvo_remove_specialsErr1REQUIRES_VIOLATION [2021-11-07 08:20:44,851 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lvd_arvo_remove_specialsErr2REQUIRES_VIOLATION [2021-11-07 08:20:44,851 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lvd_arvo_remove_specialsErr3REQUIRES_VIOLATION [2021-11-07 08:20:44,852 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lvd_arvo_remove_specialsErr4REQUIRES_VIOLATION [2021-11-07 08:20:44,852 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lvd_arvo_remove_specialsErr5REQUIRES_VIOLATION [2021-11-07 08:20:44,852 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lvd_arvo_remove_specialsErr6ASSERT_VIOLATIONMEMORY_FREE [2021-11-07 08:20:44,852 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lvd_arvo_remove_specialsErr7ASSERT_VIOLATIONMEMORY_FREE [2021-11-07 08:20:44,853 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lvd_arvo_remove_specialsErr8ASSERT_VIOLATIONMEMORY_FREE [2021-11-07 08:20:44,853 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr0REQUIRES_VIOLATION [2021-11-07 08:20:44,853 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr1REQUIRES_VIOLATION [2021-11-07 08:20:44,853 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr0REQUIRES_VIOLATION [2021-11-07 08:20:44,854 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr1REQUIRES_VIOLATION [2021-11-07 08:20:44,854 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr2REQUIRES_VIOLATION [2021-11-07 08:20:44,854 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr3REQUIRES_VIOLATION [2021-11-07 08:20:44,854 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr4REQUIRES_VIOLATION [2021-11-07 08:20:44,854 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr5REQUIRES_VIOLATION [2021-11-07 08:20:44,855 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr6REQUIRES_VIOLATION [2021-11-07 08:20:44,855 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr7REQUIRES_VIOLATION [2021-11-07 08:20:44,855 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr8REQUIRES_VIOLATION [2021-11-07 08:20:44,855 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr10REQUIRES_VIOLATION [2021-11-07 08:20:44,856 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr11REQUIRES_VIOLATION [2021-11-07 08:20:44,856 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE [2021-11-07 08:20:44,856 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr13ASSERT_VIOLATIONMEMORY_FREE [2021-11-07 08:20:44,856 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr14ASSERT_VIOLATIONMEMORY_FREE [2021-11-07 08:20:44,857 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr15ASSERT_VIOLATIONMEMORY_FREE [2021-11-07 08:20:44,857 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE [2021-11-07 08:20:44,857 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE [2021-11-07 08:20:44,857 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE [2021-11-07 08:20:44,858 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr19ASSERT_VIOLATIONMEMORY_FREE [2021-11-07 08:20:44,858 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr20ASSERT_VIOLATIONMEMORY_FREE [2021-11-07 08:20:44,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-11-07 08:20:45,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-07 08:20:45,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2021-11-07 08:20:45,472 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/mathsat -unsat_core_generation=3,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/cvc4 --incremental --print-success --lang smt [2021-11-07 08:20:45,477 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:20:45,482 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 08:20:45,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 08:20:45 BoogieIcfgContainer [2021-11-07 08:20:45,501 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 08:20:45,502 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 08:20:45,502 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 08:20:45,502 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 08:20:45,503 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:12:14" (3/4) ... [2021-11-07 08:20:45,510 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-07 08:20:45,510 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 08:20:45,511 INFO L168 Benchmark]: Toolchain (without parser) took 514766.72 ms. Allocated memory was 54.5 MB in the beginning and 136.3 MB in the end (delta: 81.8 MB). Free memory was 30.9 MB in the beginning and 45.2 MB in the end (delta: -14.3 MB). Peak memory consumption was 67.0 MB. Max. memory is 16.1 GB. [2021-11-07 08:20:45,512 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 54.5 MB. Free memory is still 35.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 08:20:45,512 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1127.27 ms. Allocated memory was 54.5 MB in the beginning and 73.4 MB in the end (delta: 18.9 MB). Free memory was 30.6 MB in the beginning and 50.7 MB in the end (delta: -20.0 MB). Peak memory consumption was 15.1 MB. Max. memory is 16.1 GB. [2021-11-07 08:20:45,513 INFO L168 Benchmark]: Boogie Preprocessor took 223.09 ms. Allocated memory is still 73.4 MB. Free memory was 50.7 MB in the beginning and 45.1 MB in the end (delta: 5.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-07 08:20:45,513 INFO L168 Benchmark]: RCFGBuilder took 2282.53 ms. Allocated memory is still 73.4 MB. Free memory was 45.1 MB in the beginning and 32.3 MB in the end (delta: 12.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 16.1 GB. [2021-11-07 08:20:45,514 INFO L168 Benchmark]: TraceAbstraction took 511115.18 ms. Allocated memory was 73.4 MB in the beginning and 136.3 MB in the end (delta: 62.9 MB). Free memory was 31.9 MB in the beginning and 45.2 MB in the end (delta: -13.3 MB). Peak memory consumption was 50.0 MB. Max. memory is 16.1 GB. [2021-11-07 08:20:45,514 INFO L168 Benchmark]: Witness Printer took 8.21 ms. Allocated memory is still 136.3 MB. Free memory is still 45.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 08:20:45,517 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 54.5 MB. Free memory is still 35.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1127.27 ms. Allocated memory was 54.5 MB in the beginning and 73.4 MB in the end (delta: 18.9 MB). Free memory was 30.6 MB in the beginning and 50.7 MB in the end (delta: -20.0 MB). Peak memory consumption was 15.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 223.09 ms. Allocated memory is still 73.4 MB. Free memory was 50.7 MB in the beginning and 45.1 MB in the end (delta: 5.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2282.53 ms. Allocated memory is still 73.4 MB. Free memory was 45.1 MB in the beginning and 32.3 MB in the end (delta: 12.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 511115.18 ms. Allocated memory was 73.4 MB in the beginning and 136.3 MB in the end (delta: 62.9 MB). Free memory was 31.9 MB in the beginning and 45.2 MB in the end (delta: -13.3 MB). Peak memory consumption was 50.0 MB. Max. memory is 16.1 GB. * Witness Printer took 8.21 ms. Allocated memory is still 136.3 MB. Free memory is still 45.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s 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: 828]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L842] CALL entry_point() [L821] CALL, EXPR ldv_zalloc(sizeof(struct ldv_hid_device)) [L533] EXPR, FCALL calloc(size, 1) [L533] return calloc(size, 1); [L821] RET, EXPR ldv_zalloc(sizeof(struct ldv_hid_device)) [L821] struct ldv_hid_device *hdev = (struct ldv_hid_device *)ldv_zalloc(sizeof(struct ldv_hid_device)); [L822] COND FALSE !(!hdev) [L823] CALL, EXPR ldv_zalloc(sizeof(struct ldv_usb_interface)) [L533] EXPR, FCALL calloc(size, 1) [L533] return calloc(size, 1); [L823] RET, EXPR ldv_zalloc(sizeof(struct ldv_usb_interface)) [L823] struct ldv_usb_interface *intf = (struct ldv_usb_interface*)ldv_zalloc(sizeof(struct ldv_usb_interface)); [L824] COND FALSE !(!intf) [L825] CALL, EXPR ldv_zalloc(sizeof(struct ldv_usb_host_interface)) [L533] EXPR, FCALL calloc(size, 1) [L533] return calloc(size, 1); [L825] RET, EXPR ldv_zalloc(sizeof(struct ldv_usb_host_interface)) [L825] intf->cur_altsetting = (struct ldv_usb_host_interface *)ldv_zalloc(sizeof(struct ldv_usb_host_interface)) [L826] EXPR intf->cur_altsetting [L826] COND FALSE !(!intf->cur_altsetting) [L827] EXPR intf->cur_altsetting [L827] intf->cur_altsetting->desc.bInterfaceProtocol = (char)__VERIFIER_nondet_int() [L828] hdev->dev.parent = &intf->dev - 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: 772]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 772]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 773]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 773]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 774]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 774]: 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: 841]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 780]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 780]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 781]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 781]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 781]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 781]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 795]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 795]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 795]: 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: 799]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 799]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 801]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 801]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 801]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 801]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 805]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 805]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 805]: 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: 825]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 825]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 826]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 826]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 827]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 827]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 827]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 827]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 828]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 833]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 833]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 833]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 833]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 833]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 835]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 835]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 835]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 837]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 837]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 837]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 54 procedures, 463 locations, 116 error locations. Started 1 CEGAR loops. OverallTime: 511.0s, OverallIterations: 9, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 372.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1137 SDtfs, 1177 SDslu, 4990 SDs, 0 SdLazy, 3761 SolverSat, 323 SolverUnsat, 179 SolverUnknown, 0 SolverNotchecked, 355.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 631 GetRequests, 494 SyntacticMatches, 31 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 367 ImplicationChecksByTransitivity, 55.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=185occurred in iteration=3, InterpolantAutomatonStates: 82, 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, 8 MinimizatonAttempts, 79 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 69.4s InterpolantComputationTime, 344 NumberOfCodeBlocks, 344 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 626 ConstructedInterpolants, 95 QuantifiedInterpolants, 4159 SizeOfPredicates, 46 NumberOfNonLiveVariables, 1372 ConjunctsInSsa, 102 ConjunctsInUnsatCore, 17 InterpolantComputations, 10 PerfectInterpolantSequences, 271/328 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-07 08:20:45,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e2be3b-43b8-4b58-b173-e2442ca4a1ef/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN