./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version f8e1c903 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX --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 14e73bee1ff131a549474bab511d8101c0585ce83d137ab03c9c7f9d80a198cf --- Real Ultimate output --- This is Ultimate 0.2.1-dev-f8e1c90 [2021-11-09 09:34:08,371 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 09:34:08,374 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 09:34:08,426 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 09:34:08,426 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 09:34:08,428 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 09:34:08,430 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 09:34:08,432 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 09:34:08,435 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 09:34:08,436 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 09:34:08,437 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 09:34:08,439 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 09:34:08,439 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 09:34:08,441 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 09:34:08,442 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 09:34:08,444 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 09:34:08,445 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 09:34:08,447 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 09:34:08,449 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 09:34:08,452 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 09:34:08,454 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 09:34:08,456 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 09:34:08,458 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 09:34:08,459 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 09:34:08,463 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 09:34:08,464 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 09:34:08,464 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 09:34:08,465 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 09:34:08,466 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 09:34:08,467 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 09:34:08,468 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 09:34:08,469 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 09:34:08,470 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 09:34:08,471 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 09:34:08,472 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 09:34:08,473 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 09:34:08,473 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 09:34:08,474 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 09:34:08,474 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 09:34:08,475 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 09:34:08,476 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 09:34:08,477 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-11-09 09:34:08,502 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 09:34:08,509 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 09:34:08,510 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 09:34:08,511 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 09:34:08,512 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 09:34:08,516 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 09:34:08,517 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 09:34:08,517 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 09:34:08,517 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-09 09:34:08,518 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-09 09:34:08,518 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-09 09:34:08,518 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-09 09:34:08,518 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 09:34:08,518 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-09 09:34:08,519 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-09 09:34:08,519 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-09 09:34:08,519 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-09 09:34:08,519 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-09 09:34:08,519 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-09 09:34:08,520 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 09:34:08,521 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 09:34:08,521 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 09:34:08,521 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-09 09:34:08,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 09:34:08,522 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 09:34:08,522 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-09 09:34:08,522 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-09 09:34:08,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-09 09:34:08,523 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 09:34:08,524 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_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14e73bee1ff131a549474bab511d8101c0585ce83d137ab03c9c7f9d80a198cf [2021-11-09 09:34:08,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 09:34:08,809 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 09:34:08,811 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 09:34:08,813 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 09:34:08,814 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 09:34:08,815 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/ldv-memsafety/memleaks_test8.i [2021-11-09 09:34:08,898 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/data/28828f6d2/97c9e0db3bb7423a9f9dd5e875f2d9f3/FLAG0a8916c52 [2021-11-09 09:34:09,418 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 09:34:09,425 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/sv-benchmarks/c/ldv-memsafety/memleaks_test8.i [2021-11-09 09:34:09,440 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/data/28828f6d2/97c9e0db3bb7423a9f9dd5e875f2d9f3/FLAG0a8916c52 [2021-11-09 09:34:09,713 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/data/28828f6d2/97c9e0db3bb7423a9f9dd5e875f2d9f3 [2021-11-09 09:34:09,715 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 09:34:09,717 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-09 09:34:09,718 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 09:34:09,718 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 09:34:09,731 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 09:34:09,732 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:34:09" (1/1) ... [2021-11-09 09:34:09,734 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a1cbc45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:34:09, skipping insertion in model container [2021-11-09 09:34:09,734 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:34:09" (1/1) ... [2021-11-09 09:34:09,747 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 09:34:09,809 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 09:34:10,310 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 09:34:10,332 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) [2021-11-09 09:34:10,332 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4e07d6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:34:10, skipping insertion in model container [2021-11-09 09:34:10,333 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 09:34:10,333 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-11-09 09:34:10,337 INFO L168 Benchmark]: Toolchain (without parser) took 617.42 ms. Allocated memory was 92.3 MB in the beginning and 121.6 MB in the end (delta: 29.4 MB). Free memory was 55.4 MB in the beginning and 91.1 MB in the end (delta: -35.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-09 09:34:10,338 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 92.3 MB. Free memory was 63.1 MB in the beginning and 63.1 MB in the end (delta: 25.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 09:34:10,340 INFO L168 Benchmark]: CACSL2BoogieTranslator took 614.96 ms. Allocated memory was 92.3 MB in the beginning and 121.6 MB in the end (delta: 29.4 MB). Free memory was 55.1 MB in the beginning and 91.1 MB in the end (delta: -35.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-09 09:34:10,342 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 92.3 MB. Free memory was 63.1 MB in the beginning and 63.1 MB in the end (delta: 25.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 614.96 ms. Allocated memory was 92.3 MB in the beginning and 121.6 MB in the end (delta: 29.4 MB). Free memory was 55.1 MB in the beginning and 91.1 MB in the end (delta: -35.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- 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_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX --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 14e73bee1ff131a549474bab511d8101c0585ce83d137ab03c9c7f9d80a198cf --- Real Ultimate output --- This is Ultimate 0.2.1-dev-f8e1c90 [2021-11-09 09:34:12,542 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 09:34:12,545 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 09:34:12,609 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 09:34:12,610 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 09:34:12,615 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 09:34:12,617 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 09:34:12,623 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 09:34:12,626 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 09:34:12,632 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 09:34:12,633 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 09:34:12,635 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 09:34:12,636 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 09:34:12,638 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 09:34:12,641 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 09:34:12,647 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 09:34:12,649 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 09:34:12,651 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 09:34:12,653 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 09:34:12,663 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 09:34:12,665 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 09:34:12,667 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 09:34:12,670 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 09:34:12,672 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 09:34:12,676 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 09:34:12,677 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 09:34:12,677 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 09:34:12,680 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 09:34:12,681 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 09:34:12,682 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 09:34:12,682 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 09:34:12,683 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 09:34:12,685 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 09:34:12,686 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 09:34:12,688 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 09:34:12,688 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 09:34:12,689 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 09:34:12,689 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 09:34:12,690 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 09:34:12,691 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 09:34:12,692 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 09:34:12,693 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-11-09 09:34:12,735 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 09:34:12,735 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 09:34:12,736 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 09:34:12,736 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 09:34:12,738 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 09:34:12,738 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 09:34:12,738 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 09:34:12,738 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 09:34:12,739 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-09 09:34:12,739 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-09 09:34:12,740 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-09 09:34:12,740 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-09 09:34:12,740 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 09:34:12,740 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-09 09:34:12,741 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-09 09:34:12,741 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-09 09:34:12,741 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-09 09:34:12,741 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-09 09:34:12,741 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-09 09:34:12,742 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-09 09:34:12,742 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-09 09:34:12,742 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 09:34:12,742 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 09:34:12,742 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 09:34:12,742 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-09 09:34:12,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 09:34:12,743 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 09:34:12,743 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-09 09:34:12,744 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-09 09:34:12,744 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-09 09:34:12,744 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 09:34:12,744 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-09 09:34:12,744 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_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14e73bee1ff131a549474bab511d8101c0585ce83d137ab03c9c7f9d80a198cf [2021-11-09 09:34:13,165 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 09:34:13,190 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 09:34:13,194 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 09:34:13,196 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 09:34:13,196 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 09:34:13,197 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/ldv-memsafety/memleaks_test8.i [2021-11-09 09:34:13,273 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/data/9c06aa83f/7bc12c7d0e96404e8c6416a6081d9705/FLAG1bf6608ff [2021-11-09 09:34:13,965 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 09:34:13,966 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/sv-benchmarks/c/ldv-memsafety/memleaks_test8.i [2021-11-09 09:34:13,979 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/data/9c06aa83f/7bc12c7d0e96404e8c6416a6081d9705/FLAG1bf6608ff [2021-11-09 09:34:14,173 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/data/9c06aa83f/7bc12c7d0e96404e8c6416a6081d9705 [2021-11-09 09:34:14,175 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 09:34:14,177 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-09 09:34:14,178 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 09:34:14,179 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 09:34:14,189 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 09:34:14,190 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:34:14" (1/1) ... [2021-11-09 09:34:14,191 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fbfe735 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:34:14, skipping insertion in model container [2021-11-09 09:34:14,192 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:34:14" (1/1) ... [2021-11-09 09:34:14,205 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 09:34:14,250 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 09:34:14,724 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 09:34:14,749 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-09 09:34:14,774 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 09:34:14,861 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 09:34:14,871 INFO L203 MainTranslator]: Completed pre-run [2021-11-09 09:34:14,945 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 09:34:15,021 INFO L208 MainTranslator]: Completed translation [2021-11-09 09:34:15,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:34:15 WrapperNode [2021-11-09 09:34:15,022 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 09:34:15,023 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-09 09:34:15,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-09 09:34:15,024 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-09 09:34:15,036 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:34:15" (1/1) ... [2021-11-09 09:34:15,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:34:15" (1/1) ... [2021-11-09 09:34:15,084 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:34:15" (1/1) ... [2021-11-09 09:34:15,086 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:34:15" (1/1) ... [2021-11-09 09:34:15,117 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:34:15" (1/1) ... [2021-11-09 09:34:15,123 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:34:15" (1/1) ... [2021-11-09 09:34:15,129 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:34:15" (1/1) ... [2021-11-09 09:34:15,139 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-09 09:34:15,140 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-09 09:34:15,141 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-09 09:34:15,141 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-09 09:34:15,142 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:34:15" (1/1) ... [2021-11-09 09:34:15,149 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 09:34:15,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:34:15,171 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-09 09:34:15,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-09 09:34:15,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-11-09 09:34:15,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-09 09:34:15,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-09 09:34:15,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-11-09 09:34:15,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-11-09 09:34:15,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-11-09 09:34:15,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-11-09 09:34:15,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-11-09 09:34:15,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-11-09 09:34:15,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-11-09 09:34:15,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-11-09 09:34:15,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-09 09:34:15,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-09 09:34:15,256 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-11-09 09:34:15,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-11-09 09:34:15,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-11-09 09:34:15,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-11-09 09:34:15,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-11-09 09:34:15,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-11-09 09:34:15,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-11-09 09:34:15,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-11-09 09:34:15,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-11-09 09:34:15,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-11-09 09:34:15,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-11-09 09:34:15,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-11-09 09:34:15,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-09 09:34:15,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-11-09 09:34:15,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-11-09 09:34:15,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-11-09 09:34:15,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-11-09 09:34:15,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-11-09 09:34:15,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-11-09 09:34:15,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-11-09 09:34:15,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-11-09 09:34:15,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-11-09 09:34:15,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-11-09 09:34:15,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-11-09 09:34:15,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-11-09 09:34:15,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-11-09 09:34:15,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-11-09 09:34:15,261 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-11-09 09:34:15,262 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-11-09 09:34:15,262 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_8 [2021-11-09 09:34:15,262 INFO L138 BoogieDeclarations]: Found implementation of procedure free_8 [2021-11-09 09:34:15,262 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-11-09 09:34:15,262 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-11-09 09:34:15,263 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-09 09:34:15,263 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-09 09:34:15,263 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-09 09:34:15,263 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-11-09 09:34:15,263 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-11-09 09:34:15,264 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-11-09 09:34:15,264 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-11-09 09:34:15,264 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-11-09 09:34:15,264 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-11-09 09:34:15,264 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-11-09 09:34:15,264 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-11-09 09:34:15,265 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-11-09 09:34:15,266 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-11-09 09:34:15,267 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-11-09 09:34:15,267 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-11-09 09:34:15,267 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-11-09 09:34:15,269 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-11-09 09:34:15,269 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-11-09 09:34:15,269 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-11-09 09:34:15,270 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-11-09 09:34:15,270 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-11-09 09:34:15,270 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-11-09 09:34:15,270 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-11-09 09:34:15,271 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-11-09 09:34:15,271 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-11-09 09:34:15,271 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-11-09 09:34:15,271 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-11-09 09:34:15,272 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-11-09 09:34:15,272 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-11-09 09:34:15,272 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-11-09 09:34:15,272 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-11-09 09:34:15,272 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-11-09 09:34:15,273 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-11-09 09:34:15,273 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-11-09 09:34:15,274 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-11-09 09:34:15,274 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-11-09 09:34:15,274 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-11-09 09:34:15,274 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-11-09 09:34:15,274 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-11-09 09:34:15,275 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-11-09 09:34:15,275 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-11-09 09:34:15,275 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-11-09 09:34:15,275 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-11-09 09:34:15,275 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-11-09 09:34:15,276 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-11-09 09:34:15,276 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-11-09 09:34:15,276 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-11-09 09:34:15,276 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-11-09 09:34:15,276 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-11-09 09:34:15,276 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-11-09 09:34:15,277 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-11-09 09:34:15,277 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-11-09 09:34:15,277 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-11-09 09:34:15,277 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-11-09 09:34:15,278 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-11-09 09:34:15,278 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-11-09 09:34:15,278 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-11-09 09:34:15,278 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-11-09 09:34:15,278 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-11-09 09:34:15,279 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-11-09 09:34:15,279 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-11-09 09:34:15,280 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-11-09 09:34:15,280 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-11-09 09:34:15,280 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-11-09 09:34:15,280 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-11-09 09:34:15,280 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-11-09 09:34:15,280 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-11-09 09:34:15,280 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-11-09 09:34:15,280 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-11-09 09:34:15,281 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-11-09 09:34:15,281 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-11-09 09:34:15,281 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-11-09 09:34:15,281 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-11-09 09:34:15,282 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-11-09 09:34:15,282 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-11-09 09:34:15,282 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-11-09 09:34:15,283 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-11-09 09:34:15,284 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-11-09 09:34:15,286 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-11-09 09:34:15,286 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-11-09 09:34:15,287 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-11-09 09:34:15,287 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-11-09 09:34:15,287 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-11-09 09:34:15,288 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-11-09 09:34:15,288 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-11-09 09:34:15,289 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-11-09 09:34:15,289 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-11-09 09:34:15,295 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-11-09 09:34:15,295 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-11-09 09:34:15,295 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-11-09 09:34:15,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-11-09 09:34:15,295 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-11-09 09:34:15,296 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-11-09 09:34:15,296 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-11-09 09:34:15,296 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-11-09 09:34:15,296 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-11-09 09:34:15,296 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-11-09 09:34:15,296 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-11-09 09:34:15,296 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-11-09 09:34:15,296 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-11-09 09:34:15,297 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-11-09 09:34:15,297 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-11-09 09:34:15,297 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-11-09 09:34:15,297 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-11-09 09:34:15,297 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-11-09 09:34:15,297 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-11-09 09:34:15,297 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-11-09 09:34:15,297 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-11-09 09:34:15,298 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-11-09 09:34:15,298 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-11-09 09:34:15,298 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-09 09:34:15,298 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-11-09 09:34:15,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-11-09 09:34:15,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-11-09 09:34:15,298 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-11-09 09:34:15,298 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-11-09 09:34:15,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-09 09:34:15,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-09 09:34:15,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-09 09:34:15,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-09 09:34:15,299 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-11-09 09:34:15,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-09 09:34:15,299 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-11-09 09:34:15,299 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-11-09 09:34:15,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-11-09 09:34:15,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-09 09:34:15,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-11-09 09:34:15,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-11-09 09:34:15,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-11-09 09:34:15,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-11-09 09:34:15,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-09 09:34:15,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-11-09 09:34:15,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-09 09:34:15,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-11-09 09:34:15,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-11-09 09:34:15,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-11-09 09:34:15,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-09 09:34:15,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-11-09 09:34:15,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-09 09:34:15,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-09 09:34:15,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-11-09 09:34:15,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-11-09 09:34:15,304 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-09 09:34:15,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-11-09 09:34:15,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-11-09 09:34:15,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-11-09 09:34:15,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-11-09 09:34:15,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-11-09 09:34:15,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-11-09 09:34:15,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-11-09 09:34:15,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-11-09 09:34:15,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-11-09 09:34:15,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-11-09 09:34:15,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-11-09 09:34:15,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-09 09:34:15,308 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-11-09 09:34:15,308 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-11-09 09:34:15,308 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_8 [2021-11-09 09:34:15,308 INFO L130 BoogieDeclarations]: Found specification of procedure free_8 [2021-11-09 09:34:15,308 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-11-09 09:34:15,309 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-11-09 09:34:15,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-11-09 09:34:15,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-09 09:34:15,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-09 09:34:15,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-09 09:34:15,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-11-09 09:34:15,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-09 09:34:15,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-09 09:34:15,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-09 09:34:15,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-09 09:34:15,945 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-09 09:34:16,343 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-09 09:34:16,740 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-09 09:34:16,740 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-09 09:34:16,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:34:16 BoogieIcfgContainer [2021-11-09 09:34:16,745 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-09 09:34:16,748 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-09 09:34:16,748 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-09 09:34:16,751 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-09 09:34:16,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 09:34:14" (1/3) ... [2021-11-09 09:34:16,752 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6366f816 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 09:34:16, skipping insertion in model container [2021-11-09 09:34:16,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:34:15" (2/3) ... [2021-11-09 09:34:16,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6366f816 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 09:34:16, skipping insertion in model container [2021-11-09 09:34:16,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:34:16" (3/3) ... [2021-11-09 09:34:16,755 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test8.i [2021-11-09 09:34:16,761 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-09 09:34:16,761 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 74 error locations. [2021-11-09 09:34:16,809 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-09 09:34:16,815 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 [2021-11-09 09:34:16,816 INFO L340 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2021-11-09 09:34:16,831 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 56 states have (on average 1.5) internal successors, (84), 77 states have internal predecessors, (84), 13 states have call successors, (13), 12 states have call predecessors, (13), 12 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-09 09:34:16,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-09 09:34:16,839 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:34:16,840 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:34:16,840 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting free_8Err0ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-11-09 09:34:16,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:34:16,846 INFO L85 PathProgramCache]: Analyzing trace with hash 12717103, now seen corresponding path program 1 times [2021-11-09 09:34:16,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-09 09:34:16,858 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1914489947] [2021-11-09 09:34:16,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:34:16,859 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-09 09:34:16,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/mathsat [2021-11-09 09:34:16,862 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-09 09:34:16,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-09 09:34:17,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:34:17,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-09 09:34:17,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:34:17,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:34:17,226 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-09 09:34:17,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:34:17,357 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-09 09:34:17,357 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1914489947] [2021-11-09 09:34:17,358 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1914489947] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-09 09:34:17,358 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:34:17,358 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-09 09:34:17,360 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23413427] [2021-11-09 09:34:17,365 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-09 09:34:17,365 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-09 09:34:17,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-09 09:34:17,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-09 09:34:17,382 INFO L87 Difference]: Start difference. First operand has 103 states, 56 states have (on average 1.5) internal successors, (84), 77 states have internal predecessors, (84), 13 states have call successors, (13), 12 states have call predecessors, (13), 12 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-09 09:34:17,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:34:17,447 INFO L93 Difference]: Finished difference Result 32 states and 33 transitions. [2021-11-09 09:34:17,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-09 09:34:17,449 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 18 [2021-11-09 09:34:17,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:34:17,456 INFO L225 Difference]: With dead ends: 32 [2021-11-09 09:34:17,456 INFO L226 Difference]: Without dead ends: 29 [2021-11-09 09:34:17,458 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-09 09:34:17,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-11-09 09:34:17,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2021-11-09 09:34:17,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 6 states have call successors, (6), 6 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-09 09:34:17,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2021-11-09 09:34:17,491 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 18 [2021-11-09 09:34:17,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:34:17,492 INFO L470 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2021-11-09 09:34:17,493 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-09 09:34:17,493 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2021-11-09 09:34:17,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-09 09:34:17,494 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:34:17,494 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:34:17,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-09 09:34:17,710 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 [2021-11-09 09:34:17,710 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting free_8Err1ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-11-09 09:34:17,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:34:17,715 INFO L85 PathProgramCache]: Analyzing trace with hash 394230500, now seen corresponding path program 1 times [2021-11-09 09:34:17,716 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-09 09:34:17,716 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1343871675] [2021-11-09 09:34:17,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:34:17,717 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-09 09:34:17,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/mathsat [2021-11-09 09:34:17,718 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-09 09:34:17,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-09 09:34:17,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:34:17,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-09 09:34:17,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:34:18,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:34:18,159 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-09 09:34:18,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:34:18,372 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-09 09:34:18,372 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1343871675] [2021-11-09 09:34:18,372 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1343871675] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-09 09:34:18,373 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:34:18,373 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 8 [2021-11-09 09:34:18,373 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107521078] [2021-11-09 09:34:18,374 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-09 09:34:18,375 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-09 09:34:18,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-09 09:34:18,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-11-09 09:34:18,376 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand has 9 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 4 states have call successors, (11), 4 states have call predecessors, (11), 6 states have return successors, (6), 6 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-09 09:34:18,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:34:18,614 INFO L93 Difference]: Finished difference Result 41 states and 43 transitions. [2021-11-09 09:34:18,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-09 09:34:18,614 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 4 states have call successors, (11), 4 states have call predecessors, (11), 6 states have return successors, (6), 6 states have call predecessors, (6), 2 states have call successors, (6) Word has length 19 [2021-11-09 09:34:18,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:34:18,616 INFO L225 Difference]: With dead ends: 41 [2021-11-09 09:34:18,616 INFO L226 Difference]: Without dead ends: 41 [2021-11-09 09:34:18,617 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-11-09 09:34:18,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2021-11-09 09:34:18,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 40. [2021-11-09 09:34:18,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 23 states have (on average 1.173913043478261) internal successors, (27), 25 states have internal predecessors, (27), 7 states have call successors, (7), 7 states have call predecessors, (7), 8 states have return successors, (8), 7 states have call predecessors, (8), 6 states have call successors, (8) [2021-11-09 09:34:18,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 42 transitions. [2021-11-09 09:34:18,625 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 42 transitions. Word has length 19 [2021-11-09 09:34:18,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:34:18,625 INFO L470 AbstractCegarLoop]: Abstraction has 40 states and 42 transitions. [2021-11-09 09:34:18,626 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 4 states have call successors, (11), 4 states have call predecessors, (11), 6 states have return successors, (6), 6 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-09 09:34:18,626 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 42 transitions. [2021-11-09 09:34:18,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-09 09:34:18,627 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:34:18,627 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] [2021-11-09 09:34:18,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-09 09:34:18,839 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 [2021-11-09 09:34:18,839 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting free_8Err2ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-11-09 09:34:18,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:34:18,840 INFO L85 PathProgramCache]: Analyzing trace with hash -663756079, now seen corresponding path program 1 times [2021-11-09 09:34:18,840 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-09 09:34:18,841 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1271441997] [2021-11-09 09:34:18,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:34:18,841 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-09 09:34:18,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/mathsat [2021-11-09 09:34:18,846 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-09 09:34:18,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-09 09:34:19,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:34:19,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-09 09:34:19,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:34:19,162 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 [2021-11-09 09:34:19,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:34:19,229 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-09 09:34:19,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:34:19,399 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-09 09:34:19,400 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1271441997] [2021-11-09 09:34:19,400 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1271441997] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-09 09:34:19,400 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:34:19,400 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-09 09:34:19,401 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858261570] [2021-11-09 09:34:19,402 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-09 09:34:19,402 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-09 09:34:19,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-09 09:34:19,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-09 09:34:19,403 INFO L87 Difference]: Start difference. First operand 40 states and 42 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-09 09:34:19,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:34:19,460 INFO L93 Difference]: Finished difference Result 40 states and 41 transitions. [2021-11-09 09:34:19,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-09 09:34:19,461 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 20 [2021-11-09 09:34:19,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:34:19,466 INFO L225 Difference]: With dead ends: 40 [2021-11-09 09:34:19,466 INFO L226 Difference]: Without dead ends: 40 [2021-11-09 09:34:19,466 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 34 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-09 09:34:19,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-11-09 09:34:19,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2021-11-09 09:34:19,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 25 states have internal predecessors, (26), 7 states have call successors, (7), 7 states have call predecessors, (7), 8 states have return successors, (8), 7 states have call predecessors, (8), 6 states have call successors, (8) [2021-11-09 09:34:19,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 41 transitions. [2021-11-09 09:34:19,481 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 41 transitions. Word has length 20 [2021-11-09 09:34:19,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:34:19,482 INFO L470 AbstractCegarLoop]: Abstraction has 40 states and 41 transitions. [2021-11-09 09:34:19,482 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-09 09:34:19,483 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 41 transitions. [2021-11-09 09:34:19,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-09 09:34:19,484 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:34:19,485 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] [2021-11-09 09:34:19,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-09 09:34:19,695 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 [2021-11-09 09:34:19,697 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting free_8Err2ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-11-09 09:34:19,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:34:19,697 INFO L85 PathProgramCache]: Analyzing trace with hash 1834259858, now seen corresponding path program 1 times [2021-11-09 09:34:19,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-09 09:34:19,698 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [795206134] [2021-11-09 09:34:19,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:34:19,699 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-09 09:34:19,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/mathsat [2021-11-09 09:34:19,705 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-09 09:34:19,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-09 09:34:19,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:34:19,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-09 09:34:19,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:34:20,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:34:20,003 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-09 09:34:20,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:34:20,186 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-09 09:34:20,186 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [795206134] [2021-11-09 09:34:20,186 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [795206134] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-09 09:34:20,187 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:34:20,187 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-09 09:34:20,187 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687439873] [2021-11-09 09:34:20,187 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-09 09:34:20,187 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-09 09:34:20,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-09 09:34:20,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-09 09:34:20,188 INFO L87 Difference]: Start difference. First operand 40 states and 41 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-09 09:34:20,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:34:20,235 INFO L93 Difference]: Finished difference Result 37 states and 37 transitions. [2021-11-09 09:34:20,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-09 09:34:20,235 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 20 [2021-11-09 09:34:20,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:34:20,236 INFO L225 Difference]: With dead ends: 37 [2021-11-09 09:34:20,236 INFO L226 Difference]: Without dead ends: 37 [2021-11-09 09:34:20,237 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-09 09:34:20,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2021-11-09 09:34:20,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 36. [2021-11-09 09:34:20,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 20 states have (on average 1.05) internal successors, (21), 21 states have internal predecessors, (21), 7 states have call successors, (7), 7 states have call predecessors, (7), 8 states have return successors, (8), 7 states have call predecessors, (8), 6 states have call successors, (8) [2021-11-09 09:34:20,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 36 transitions. [2021-11-09 09:34:20,241 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 36 transitions. Word has length 20 [2021-11-09 09:34:20,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:34:20,242 INFO L470 AbstractCegarLoop]: Abstraction has 36 states and 36 transitions. [2021-11-09 09:34:20,242 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-09 09:34:20,242 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 36 transitions. [2021-11-09 09:34:20,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-09 09:34:20,243 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:34:20,243 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, 1, 1, 1] [2021-11-09 09:34:20,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-09 09:34:20,443 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 [2021-11-09 09:34:20,444 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-11-09 09:34:20,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:34:20,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1534178647, now seen corresponding path program 1 times [2021-11-09 09:34:20,445 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-09 09:34:20,445 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1956552187] [2021-11-09 09:34:20,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:34:20,445 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-09 09:34:20,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/mathsat [2021-11-09 09:34:20,449 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-09 09:34:20,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-09 09:34:20,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:34:20,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-09 09:34:20,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:34:20,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:34:20,745 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-09 09:34:20,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:34:20,922 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-09 09:34:20,922 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1956552187] [2021-11-09 09:34:20,923 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1956552187] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-09 09:34:20,923 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:34:20,923 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-09 09:34:20,923 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739374669] [2021-11-09 09:34:20,923 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:34:20,924 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-09 09:34:20,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:34:20,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:34:20,924 INFO L87 Difference]: Start difference. First operand 36 states and 36 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-09 09:34:20,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:34:20,954 INFO L93 Difference]: Finished difference Result 40 states and 39 transitions. [2021-11-09 09:34:20,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:34:20,955 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 23 [2021-11-09 09:34:20,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:34:20,955 INFO L225 Difference]: With dead ends: 40 [2021-11-09 09:34:20,955 INFO L226 Difference]: Without dead ends: 27 [2021-11-09 09:34:20,956 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:34:20,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-11-09 09:34:20,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-11-09 09:34:20,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 15 states have (on average 1.0) internal successors, (15), 15 states have internal predecessors, (15), 6 states have call successors, (6), 6 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-09 09:34:20,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 26 transitions. [2021-11-09 09:34:20,959 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 26 transitions. Word has length 23 [2021-11-09 09:34:20,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:34:20,959 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 26 transitions. [2021-11-09 09:34:20,960 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-09 09:34:20,960 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 26 transitions. [2021-11-09 09:34:20,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-09 09:34:20,960 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:34:20,960 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, 1, 1, 1, 1, 1, 1] [2021-11-09 09:34:20,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-09 09:34:21,170 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 [2021-11-09 09:34:21,170 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-11-09 09:34:21,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:34:21,171 INFO L85 PathProgramCache]: Analyzing trace with hash 714098001, now seen corresponding path program 1 times [2021-11-09 09:34:21,171 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-09 09:34:21,171 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [584496285] [2021-11-09 09:34:21,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:34:21,171 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-09 09:34:21,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/mathsat [2021-11-09 09:34:21,172 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-09 09:34:21,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-09 09:34:21,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:34:21,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-09 09:34:21,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:34:21,406 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-09 09:34:21,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2021-11-09 09:34:21,663 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 8 treesize of output 6 [2021-11-09 09:34:25,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:34:25,849 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-09 09:34:40,368 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-09 09:34:40,368 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [584496285] [2021-11-09 09:34:40,369 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Shadow problem: [|v_old(#valid)_BEFORE_CALL_13|] [2021-11-09 09:34:40,369 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1965431346] [2021-11-09 09:34:40,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:34:40,369 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-09 09:34:40,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/cvc4 [2021-11-09 09:34:40,380 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-09 09:34:40,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2021-11-09 09:34:40,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:34:40,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-09 09:34:40,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:34:40,713 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-09 09:34:40,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 28 [2021-11-09 09:34:40,953 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 8 treesize of output 6 [2021-11-09 09:34:43,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:34:43,093 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-09 09:34:56,019 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Shadow problem: [|v_old(#valid)_BEFORE_CALL_19|] [2021-11-09 09:34:56,020 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [218845881] [2021-11-09 09:34:56,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:34:56,020 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 09:34:56,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:34:56,033 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 09:34:56,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-09 09:34:56,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:34:56,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-09 09:34:56,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:34:56,457 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 8 treesize of output 6 [2021-11-09 09:34:58,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:34:58,564 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-09 09:35:13,571 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Shadow problem: [|v_old(#valid)_BEFORE_CALL_25|] [2021-11-09 09:35:13,571 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:35:13,572 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-11-09 09:35:13,572 ERROR L172 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2021-11-09 09:35:13,572 INFO L627 BasicCegarLoop]: Counterexample might be feasible [2021-11-09 09:35:13,578 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK [2021-11-09 09:35:13,580 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr0REQUIRES_VIOLATION [2021-11-09 09:35:13,580 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr1REQUIRES_VIOLATION [2021-11-09 09:35:13,580 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr0REQUIRES_VIOLATION [2021-11-09 09:35:13,580 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr1REQUIRES_VIOLATION [2021-11-09 09:35:13,580 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION [2021-11-09 09:35:13,581 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION [2021-11-09 09:35:13,581 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION [2021-11-09 09:35:13,581 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION [2021-11-09 09:35:13,582 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION [2021-11-09 09:35:13,582 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION [2021-11-09 09:35:13,582 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION [2021-11-09 09:35:13,582 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION [2021-11-09 09:35:13,582 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr0REQUIRES_VIOLATION [2021-11-09 09:35:13,582 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr1REQUIRES_VIOLATION [2021-11-09 09:35:13,582 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr2REQUIRES_VIOLATION [2021-11-09 09:35:13,583 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr3REQUIRES_VIOLATION [2021-11-09 09:35:13,583 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr4REQUIRES_VIOLATION [2021-11-09 09:35:13,583 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr5REQUIRES_VIOLATION [2021-11-09 09:35:13,583 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr6REQUIRES_VIOLATION [2021-11-09 09:35:13,583 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr7REQUIRES_VIOLATION [2021-11-09 09:35:13,583 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION [2021-11-09 09:35:13,584 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION [2021-11-09 09:35:13,584 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr0REQUIRES_VIOLATION [2021-11-09 09:35:13,584 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr1REQUIRES_VIOLATION [2021-11-09 09:35:13,584 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr2REQUIRES_VIOLATION [2021-11-09 09:35:13,584 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr3REQUIRES_VIOLATION [2021-11-09 09:35:13,585 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION [2021-11-09 09:35:13,585 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION [2021-11-09 09:35:13,585 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION [2021-11-09 09:35:13,585 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION [2021-11-09 09:35:13,586 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr0REQUIRES_VIOLATION [2021-11-09 09:35:13,586 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr1REQUIRES_VIOLATION [2021-11-09 09:35:13,586 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr0REQUIRES_VIOLATION [2021-11-09 09:35:13,586 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr1REQUIRES_VIOLATION [2021-11-09 09:35:13,587 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr2REQUIRES_VIOLATION [2021-11-09 09:35:13,587 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr3REQUIRES_VIOLATION [2021-11-09 09:35:13,587 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr4REQUIRES_VIOLATION [2021-11-09 09:35:13,587 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr5REQUIRES_VIOLATION [2021-11-09 09:35:13,588 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION [2021-11-09 09:35:13,588 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION [2021-11-09 09:35:13,588 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr0REQUIRES_VIOLATION [2021-11-09 09:35:13,588 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr1REQUIRES_VIOLATION [2021-11-09 09:35:13,589 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE [2021-11-09 09:35:13,589 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE [2021-11-09 09:35:13,589 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE [2021-11-09 09:35:13,590 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE [2021-11-09 09:35:13,590 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE [2021-11-09 09:35:13,590 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE [2021-11-09 09:35:13,590 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_8Err0ASSERT_VIOLATIONMEMORY_FREE [2021-11-09 09:35:13,590 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_8Err1ASSERT_VIOLATIONMEMORY_FREE [2021-11-09 09:35:13,590 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_8Err2ASSERT_VIOLATIONMEMORY_FREE [2021-11-09 09:35:13,591 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr0REQUIRES_VIOLATION [2021-11-09 09:35:13,591 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr1REQUIRES_VIOLATION [2021-11-09 09:35:13,591 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr2REQUIRES_VIOLATION [2021-11-09 09:35:13,591 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr3REQUIRES_VIOLATION [2021-11-09 09:35:13,592 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr4REQUIRES_VIOLATION [2021-11-09 09:35:13,592 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr5REQUIRES_VIOLATION [2021-11-09 09:35:13,592 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION [2021-11-09 09:35:13,592 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION [2021-11-09 09:35:13,592 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE [2021-11-09 09:35:13,592 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE [2021-11-09 09:35:13,592 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE [2021-11-09 09:35:13,593 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE [2021-11-09 09:35:13,593 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE [2021-11-09 09:35:13,593 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE [2021-11-09 09:35:13,593 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr0REQUIRES_VIOLATION [2021-11-09 09:35:13,593 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr1REQUIRES_VIOLATION [2021-11-09 09:35:13,593 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr0REQUIRES_VIOLATION [2021-11-09 09:35:13,593 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr1REQUIRES_VIOLATION [2021-11-09 09:35:13,594 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr2REQUIRES_VIOLATION [2021-11-09 09:35:13,594 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr3REQUIRES_VIOLATION [2021-11-09 09:35:13,594 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr0REQUIRES_VIOLATION [2021-11-09 09:35:13,594 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr1REQUIRES_VIOLATION [2021-11-09 09:35:13,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-09 09:35:13,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-09 09:35:14,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2021-11-09 09:35:14,201 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/cvc4 --incremental --print-success --lang smt [2021-11-09 09:35:14,205 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-11-09 09:35:14,209 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-09 09:35:14,212 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2021-11-09 09:35:14,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 09:35:14 BoogieIcfgContainer [2021-11-09 09:35:14,222 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-09 09:35:14,223 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-09 09:35:14,223 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-09 09:35:14,223 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-09 09:35:14,224 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:34:16" (3/4) ... [2021-11-09 09:35:14,228 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-09 09:35:14,228 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-09 09:35:14,229 INFO L168 Benchmark]: Toolchain (without parser) took 60051.61 ms. Allocated memory was 75.5 MB in the beginning and 148.9 MB in the end (delta: 73.4 MB). Free memory was 57.7 MB in the beginning and 95.5 MB in the end (delta: -37.8 MB). Peak memory consumption was 35.3 MB. Max. memory is 16.1 GB. [2021-11-09 09:35:14,230 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 75.5 MB. Free memory is still 57.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 09:35:14,230 INFO L168 Benchmark]: CACSL2BoogieTranslator took 844.34 ms. Allocated memory is still 75.5 MB. Free memory was 57.5 MB in the beginning and 41.1 MB in the end (delta: 16.4 MB). Peak memory consumption was 15.5 MB. Max. memory is 16.1 GB. [2021-11-09 09:35:14,231 INFO L168 Benchmark]: Boogie Preprocessor took 116.27 ms. Allocated memory is still 75.5 MB. Free memory was 41.1 MB in the beginning and 36.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-09 09:35:14,232 INFO L168 Benchmark]: RCFGBuilder took 1604.86 ms. Allocated memory was 75.5 MB in the beginning and 115.3 MB in the end (delta: 39.8 MB). Free memory was 36.3 MB in the beginning and 89.9 MB in the end (delta: -53.6 MB). Peak memory consumption was 25.0 MB. Max. memory is 16.1 GB. [2021-11-09 09:35:14,232 INFO L168 Benchmark]: TraceAbstraction took 57474.40 ms. Allocated memory was 115.3 MB in the beginning and 148.9 MB in the end (delta: 33.6 MB). Free memory was 89.2 MB in the beginning and 96.5 MB in the end (delta: -7.3 MB). Peak memory consumption was 26.2 MB. Max. memory is 16.1 GB. [2021-11-09 09:35:14,233 INFO L168 Benchmark]: Witness Printer took 5.06 ms. Allocated memory is still 148.9 MB. Free memory was 96.5 MB in the beginning and 95.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-09 09:35:14,235 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 75.5 MB. Free memory is still 57.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 844.34 ms. Allocated memory is still 75.5 MB. Free memory was 57.5 MB in the beginning and 41.1 MB in the end (delta: 16.4 MB). Peak memory consumption was 15.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 116.27 ms. Allocated memory is still 75.5 MB. Free memory was 41.1 MB in the beginning and 36.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1604.86 ms. Allocated memory was 75.5 MB in the beginning and 115.3 MB in the end (delta: 39.8 MB). Free memory was 36.3 MB in the beginning and 89.9 MB in the end (delta: -53.6 MB). Peak memory consumption was 25.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 57474.40 ms. Allocated memory was 115.3 MB in the beginning and 148.9 MB in the end (delta: 33.6 MB). Free memory was 89.2 MB in the beginning and 96.5 MB in the end (delta: -7.3 MB). Peak memory consumption was 26.2 MB. Max. memory is 16.1 GB. * Witness Printer took 5.06 ms. Allocated memory is still 148.9 MB. Free memory was 96.5 MB in the beginning and 95.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 769]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: unable to decide satisfiability of path constraint, overapproximation of memtrack at line 769. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L757] int *a8; [L770] CALL entry_point() [L765] CALL alloc_8() [L759] CALL, EXPR ldv_malloc(sizeof(int)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L759] RET, EXPR ldv_malloc(sizeof(int)) [L759] a8 = (int *)ldv_malloc(sizeof(int)) [L765] RET alloc_8() [L766] CALL free_8() [L762] COND TRUE \read(*a8) [L762] free(a8) [L762] free(a8) [L762] free(a8) [L766] RET free_8() [L767] a8 = 0 [L770] RET entry_point() - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 762]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 762]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 762]: 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: 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. - StatisticsResult: Ultimate Automizer benchmark data CFG has 49 procedures, 343 locations, 74 error locations. Started 1 CEGAR loops. OverallTime: 57.3s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 141 SDtfs, 89 SDslu, 230 SDs, 0 SdLazy, 158 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 203 GetRequests, 176 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=103occurred in iteration=0, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 20.6s InterpolantComputationTime, 126 NumberOfCodeBlocks, 126 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 215 ConstructedInterpolants, 8 QuantifiedInterpolants, 883 SizeOfPredicates, 3 NumberOfNonLiveVariables, 562 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-09 09:35:14,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc80d55-6350-488c-92aa-ba237fb21724/bin/uautomizer-IVEQpCNsaX/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