./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48000984-f179-44ca-be17-1a36bd35b000/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48000984-f179-44ca-be17-1a36bd35b000/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48000984-f179-44ca-be17-1a36bd35b000/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48000984-f179-44ca-be17-1a36bd35b000/bin/utaipan-q2qaUkNPG8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48000984-f179-44ca-be17-1a36bd35b000/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48000984-f179-44ca-be17-1a36bd35b000/bin/utaipan-q2qaUkNPG8 --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3c3780959fce78cf56ec9398e6f7b05938c23d68 ............................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48000984-f179-44ca-be17-1a36bd35b000/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48000984-f179-44ca-be17-1a36bd35b000/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48000984-f179-44ca-be17-1a36bd35b000/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48000984-f179-44ca-be17-1a36bd35b000/bin/utaipan-q2qaUkNPG8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48000984-f179-44ca-be17-1a36bd35b000/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48000984-f179-44ca-be17-1a36bd35b000/bin/utaipan-q2qaUkNPG8 --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3c3780959fce78cf56ec9398e6f7b05938c23d68 .......................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:21:48,632 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:21:48,635 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:21:48,671 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:21:48,672 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:21:48,673 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:21:48,675 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:21:48,678 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:21:48,680 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:21:48,682 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:21:48,683 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:21:48,685 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:21:48,685 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:21:48,687 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:21:48,689 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:21:48,690 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:21:48,692 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:21:48,693 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:21:48,695 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:21:48,698 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:21:48,701 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:21:48,703 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:21:48,704 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:21:48,706 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:21:48,710 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:21:48,711 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:21:48,711 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:21:48,713 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:21:48,713 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:21:48,715 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:21:48,715 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:21:48,716 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:21:48,717 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:21:48,719 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:21:48,720 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:21:48,720 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:21:48,721 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:21:48,721 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:21:48,722 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:21:48,723 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:21:48,724 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:21:48,725 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48000984-f179-44ca-be17-1a36bd35b000/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-10-13 07:21:48,773 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:21:48,776 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:21:48,777 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:21:48,781 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:21:48,782 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:21:48,782 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:21:48,782 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:21:48,783 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:21:48,783 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:21:48,783 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:21:48,784 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:21:48,784 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:21:48,784 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:21:48,786 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:21:48,786 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:21:48,787 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 07:21:48,787 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 07:21:48,787 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:21:48,788 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:21:48,788 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 07:21:48,788 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:21:48,789 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:21:48,789 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:21:48,789 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 07:21:48,789 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 07:21:48,790 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 07:21:48,791 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:21:48,792 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:21:48,792 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:21:48,792 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:21:48,793 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:21:48,793 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:21:48,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:21:48,794 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:21:48,794 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:21:48,794 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:21:48,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:21:48,795 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:21:48,795 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:21:48,796 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_48000984-f179-44ca-be17-1a36bd35b000/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48000984-f179-44ca-be17-1a36bd35b000/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c3780959fce78cf56ec9398e6f7b05938c23d68 [2021-10-13 07:21:49,129 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:21:49,159 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:21:49,162 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:21:49,164 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:21:49,165 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:21:49,166 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48000984-f179-44ca-be17-1a36bd35b000/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i [2021-10-13 07:21:49,244 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48000984-f179-44ca-be17-1a36bd35b000/bin/utaipan-q2qaUkNPG8/data/bd76130ea/e86cc69cb33f48f08ff50b415d424503/FLAG70b7b59d7 [2021-10-13 07:21:49,876 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:21:49,877 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48000984-f179-44ca-be17-1a36bd35b000/sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i [2021-10-13 07:21:49,905 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48000984-f179-44ca-be17-1a36bd35b000/bin/utaipan-q2qaUkNPG8/data/bd76130ea/e86cc69cb33f48f08ff50b415d424503/FLAG70b7b59d7 [2021-10-13 07:21:50,187 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48000984-f179-44ca-be17-1a36bd35b000/bin/utaipan-q2qaUkNPG8/data/bd76130ea/e86cc69cb33f48f08ff50b415d424503 [2021-10-13 07:21:50,193 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:21:50,196 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:21:50,200 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:21:50,200 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:21:50,204 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:21:50,205 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:21:50" (1/1) ... [2021-10-13 07:21:50,206 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@191f2c88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:50, skipping insertion in model container [2021-10-13 07:21:50,207 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:21:50" (1/1) ... [2021-10-13 07:21:50,215 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:21:50,288 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:21:50,927 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:21:50,959 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-13 07:21:50,959 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5f8151c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:50, skipping insertion in model container [2021-10-13 07:21:50,960 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:21:50,960 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:21:50,964 INFO L168 Benchmark]: Toolchain (without parser) took 765.80 ms. Allocated memory is still 88.1 MB. Free memory was 64.7 MB in the beginning and 60.9 MB in the end (delta: 3.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:21:50,966 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 88.1 MB. Free memory was 62.4 MB in the beginning and 62.3 MB in the end (delta: 53.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:21:50,968 INFO L168 Benchmark]: CACSL2BoogieTranslator took 760.65 ms. Allocated memory is still 88.1 MB. Free memory was 64.5 MB in the beginning and 60.9 MB in the end (delta: 3.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:21:50,970 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 88.1 MB. Free memory was 62.4 MB in the beginning and 62.3 MB in the end (delta: 53.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 760.65 ms. Allocated memory is still 88.1 MB. Free memory was 64.5 MB in the beginning and 60.9 MB in the end (delta: 3.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:21:53,717 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:21:53,720 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:21:53,795 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:21:53,796 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:21:53,802 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:21:53,804 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:21:53,809 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:21:53,813 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:21:53,821 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:21:53,823 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:21:53,825 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:21:53,826 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:21:53,828 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:21:53,831 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:21:53,836 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:21:53,838 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:21:53,839 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:21:53,842 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:21:53,852 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:21:53,854 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:21:53,856 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:21:53,859 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:21:53,862 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:21:53,866 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:21:53,867 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:21:53,867 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:21:53,870 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:21:53,870 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:21:53,872 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:21:53,872 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:21:53,873 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:21:53,876 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:21:53,877 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:21:53,879 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:21:53,879 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:21:53,881 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:21:53,881 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:21:53,881 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:21:53,884 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:21:53,885 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:21:53,891 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48000984-f179-44ca-be17-1a36bd35b000/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-10-13 07:21:53,947 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:21:53,947 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:21:53,949 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:21:53,949 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:21:53,950 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:21:53,950 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:21:53,950 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:21:53,951 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:21:53,951 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:21:53,953 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 07:21:53,954 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 07:21:53,954 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:21:53,955 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:21:53,955 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 07:21:53,955 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:21:53,955 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:21:53,956 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:21:53,956 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 07:21:53,956 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 07:21:53,956 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 07:21:53,957 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:21:53,957 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:21:53,957 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:21:53,957 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:21:53,958 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:21:53,958 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:21:53,958 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:21:53,959 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:21:53,959 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:21:53,959 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:21:53,959 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:21:53,960 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:21:53,960 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:21:53,961 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:21:53,961 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:21:53,961 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:21:53,961 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_48000984-f179-44ca-be17-1a36bd35b000/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48000984-f179-44ca-be17-1a36bd35b000/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c3780959fce78cf56ec9398e6f7b05938c23d68 [2021-10-13 07:21:54,472 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:21:54,510 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:21:54,513 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:21:54,515 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:21:54,516 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:21:54,517 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48000984-f179-44ca-be17-1a36bd35b000/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i [2021-10-13 07:21:54,599 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48000984-f179-44ca-be17-1a36bd35b000/bin/utaipan-q2qaUkNPG8/data/b44903ef5/10eff9834f324fb9ae896faa9c3f5a12/FLAG0b2c3408b [2021-10-13 07:21:55,347 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:21:55,348 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48000984-f179-44ca-be17-1a36bd35b000/sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i [2021-10-13 07:21:55,370 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48000984-f179-44ca-be17-1a36bd35b000/bin/utaipan-q2qaUkNPG8/data/b44903ef5/10eff9834f324fb9ae896faa9c3f5a12/FLAG0b2c3408b [2021-10-13 07:21:55,545 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48000984-f179-44ca-be17-1a36bd35b000/bin/utaipan-q2qaUkNPG8/data/b44903ef5/10eff9834f324fb9ae896faa9c3f5a12 [2021-10-13 07:21:55,548 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:21:55,550 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:21:55,551 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:21:55,552 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:21:55,564 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:21:55,565 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:21:55" (1/1) ... [2021-10-13 07:21:55,568 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3791aa54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:55, skipping insertion in model container [2021-10-13 07:21:55,569 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:21:55" (1/1) ... [2021-10-13 07:21:55,578 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:21:55,655 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:21:56,202 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:21:56,235 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-13 07:21:56,256 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:21:56,370 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:21:56,391 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:21:56,462 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:21:56,514 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:21:56,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:56 WrapperNode [2021-10-13 07:21:56,515 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:21:56,516 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:21:56,516 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:21:56,517 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:21:56,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:56" (1/1) ... [2021-10-13 07:21:56,581 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:56" (1/1) ... [2021-10-13 07:21:56,610 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:21:56,610 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:21:56,611 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:21:56,611 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:21:56,621 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:56" (1/1) ... [2021-10-13 07:21:56,621 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:56" (1/1) ... [2021-10-13 07:21:56,637 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:56" (1/1) ... [2021-10-13 07:21:56,638 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:56" (1/1) ... [2021-10-13 07:21:56,644 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:56" (1/1) ... [2021-10-13 07:21:56,653 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:56" (1/1) ... [2021-10-13 07:21:56,656 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:56" (1/1) ... [2021-10-13 07:21:56,659 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:21:56,670 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:21:56,670 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:21:56,670 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:21:56,671 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:56" (1/1) ... [2021-10-13 07:21:56,683 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:21:56,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48000984-f179-44ca-be17-1a36bd35b000/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:21:56,714 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48000984-f179-44ca-be17-1a36bd35b000/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:21:56,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48000984-f179-44ca-be17-1a36bd35b000/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:21:56,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-13 07:21:56,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:21:56,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 07:21:56,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-13 07:21:56,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:21:56,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:21:57,221 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:21:57,227 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-10-13 07:21:57,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:21:57 BoogieIcfgContainer [2021-10-13 07:21:57,231 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:21:57,233 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:21:57,233 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:21:57,237 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:21:57,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:21:55" (1/3) ... [2021-10-13 07:21:57,239 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@183ede1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:21:57, skipping insertion in model container [2021-10-13 07:21:57,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:56" (2/3) ... [2021-10-13 07:21:57,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@183ede1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:21:57, skipping insertion in model container [2021-10-13 07:21:57,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:21:57" (3/3) ... [2021-10-13 07:21:57,243 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test9_1.i [2021-10-13 07:21:57,250 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:21:57,250 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-10-13 07:21:57,319 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:21:57,325 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 07:21:57,326 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-13 07:21:57,342 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 12 states have (on average 1.5) internal successors, (18), 16 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:21:57,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-13 07:21:57,349 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:21:57,350 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:21:57,351 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 1 more)] === [2021-10-13 07:21:57,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:21:57,370 INFO L82 PathProgramCache]: Analyzing trace with hash 1804965381, now seen corresponding path program 1 times [2021-10-13 07:21:57,385 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:21:57,386 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [38094080] [2021-10-13 07:21:57,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:21:57,387 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:21:57,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48000984-f179-44ca-be17-1a36bd35b000/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:21:57,392 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48000984-f179-44ca-be17-1a36bd35b000/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:21:57,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48000984-f179-44ca-be17-1a36bd35b000/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 07:21:57,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:21:57,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 07:21:57,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:21:57,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:21:57,604 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:21:57,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:21:57,667 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:21:57,668 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [38094080] [2021-10-13 07:21:57,669 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [38094080] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:21:57,669 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:21:57,669 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-13 07:21:57,671 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362533468] [2021-10-13 07:21:57,677 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 07:21:57,684 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:21:57,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 07:21:57,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-13 07:21:57,710 INFO L87 Difference]: Start difference. First operand has 17 states, 12 states have (on average 1.5) internal successors, (18), 16 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:21:57,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:21:57,762 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2021-10-13 07:21:57,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 07:21:57,764 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-10-13 07:21:57,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:21:57,772 INFO L225 Difference]: With dead ends: 11 [2021-10-13 07:21:57,772 INFO L226 Difference]: Without dead ends: 9 [2021-10-13 07:21:57,774 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 36.6ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 07:21:57,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2021-10-13 07:21:57,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2021-10-13 07:21:57,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:21:57,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2021-10-13 07:21:57,805 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2021-10-13 07:21:57,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:21:57,805 INFO L470 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2021-10-13 07:21:57,806 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:21:57,806 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2021-10-13 07:21:57,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-13 07:21:57,806 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:21:57,807 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:21:57,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48000984-f179-44ca-be17-1a36bd35b000/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 07:21:58,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48000984-f179-44ca-be17-1a36bd35b000/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:21:58,020 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 1 more)] === [2021-10-13 07:21:58,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:21:58,021 INFO L82 PathProgramCache]: Analyzing trace with hash 119360950, now seen corresponding path program 1 times [2021-10-13 07:21:58,021 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:21:58,022 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1510487487] [2021-10-13 07:21:58,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:21:58,022 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:21:58,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48000984-f179-44ca-be17-1a36bd35b000/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:21:58,024 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48000984-f179-44ca-be17-1a36bd35b000/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:21:58,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48000984-f179-44ca-be17-1a36bd35b000/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 07:21:58,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 07:21:58,086 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 07:21:58,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 07:21:58,149 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-13 07:21:58,149 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 07:21:58,151 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 07:21:58,153 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 07:21:58,153 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 07:21:58,154 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 07:21:58,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48000984-f179-44ca-be17-1a36bd35b000/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 07:21:58,354 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48000984-f179-44ca-be17-1a36bd35b000/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:21:58,360 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 07:21:58,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:21:58 BoogieIcfgContainer [2021-10-13 07:21:58,393 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 07:21:58,394 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 07:21:58,394 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 07:21:58,395 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 07:21:58,395 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:21:57" (3/4) ... [2021-10-13 07:21:58,399 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 07:21:58,400 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 07:21:58,409 INFO L168 Benchmark]: Toolchain (without parser) took 2851.91 ms. Allocated memory was 62.9 MB in the beginning and 75.5 MB in the end (delta: 12.6 MB). Free memory was 40.6 MB in the beginning and 53.2 MB in the end (delta: -12.6 MB). Peak memory consumption was 2.0 MB. Max. memory is 16.1 GB. [2021-10-13 07:21:58,410 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 62.9 MB. Free memory is still 43.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:21:58,412 INFO L168 Benchmark]: CACSL2BoogieTranslator took 964.14 ms. Allocated memory is still 62.9 MB. Free memory was 40.5 MB in the beginning and 35.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 23.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:21:58,413 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.74 ms. Allocated memory is still 62.9 MB. Free memory was 35.7 MB in the beginning and 33.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:21:58,415 INFO L168 Benchmark]: Boogie Preprocessor took 58.29 ms. Allocated memory is still 62.9 MB. Free memory was 33.5 MB in the beginning and 32.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:21:58,418 INFO L168 Benchmark]: RCFGBuilder took 561.19 ms. Allocated memory was 62.9 MB in the beginning and 75.5 MB in the end (delta: 12.6 MB). Free memory was 32.2 MB in the beginning and 56.4 MB in the end (delta: -24.2 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. [2021-10-13 07:21:58,420 INFO L168 Benchmark]: TraceAbstraction took 1160.03 ms. Allocated memory is still 75.5 MB. Free memory was 56.0 MB in the beginning and 53.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 25.7 MB. Max. memory is 16.1 GB. [2021-10-13 07:21:58,423 INFO L168 Benchmark]: Witness Printer took 7.39 ms. Allocated memory is still 75.5 MB. Free memory was 53.6 MB in the beginning and 53.2 MB in the end (delta: 389.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:21:58,430 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 62.9 MB. Free memory is still 43.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 964.14 ms. Allocated memory is still 62.9 MB. Free memory was 40.5 MB in the beginning and 35.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 23.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 93.74 ms. Allocated memory is still 62.9 MB. Free memory was 35.7 MB in the beginning and 33.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 58.29 ms. Allocated memory is still 62.9 MB. Free memory was 33.5 MB in the beginning and 32.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 561.19 ms. Allocated memory was 62.9 MB in the beginning and 75.5 MB in the end (delta: 12.6 MB). Free memory was 32.2 MB in the beginning and 56.4 MB in the end (delta: -24.2 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1160.03 ms. Allocated memory is still 75.5 MB. Free memory was 56.0 MB in the beginning and 53.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 25.7 MB. Max. memory is 16.1 GB. * Witness Printer took 7.39 ms. Allocated memory is still 75.5 MB. Free memory was 53.6 MB in the beginning and 53.2 MB in the end (delta: 389.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 772]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 772. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L757] int *a9; VAL [a9={0:0}, ldv_global_msg_list={-2147483648:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L759] a9 = (int *)ldv_malloc(sizeof(int)) [L760] return - -3; VAL [a9={1:0}, ldv_global_msg_list={-2147483648:0}] [L766] int ret = probe_9_2(); [L767] COND FALSE !(ret==0) VAL [a9={1:0}, ldv_global_msg_list={-2147483648:0}] [L770] a9 = 0 VAL [a9={0:0}, ldv_global_msg_list={-2147483648:0}] - UnprovableResult [Line: 763]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 763]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 763]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 17 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1040.5ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 12.2ms, AutomataDifference: 88.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 9 SDtfs, 11 SDslu, 14 SDs, 0 SdLazy, 6 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 22.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 36.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 14.9ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 21.1ms SsaConstructionTime, 40.0ms SatisfiabilityAnalysisTime, 188.4ms InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 SizeOfPredicates, 1 NumberOfNonLiveVariables, 34 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 [2021-10-13 07:21:58,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48000984-f179-44ca-be17-1a36bd35b000/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...