./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f504f89-8cad-4dab-91ed-456bbcb46663/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f504f89-8cad-4dab-91ed-456bbcb46663/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f504f89-8cad-4dab-91ed-456bbcb46663/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f504f89-8cad-4dab-91ed-456bbcb46663/bin/utaipan-9zjyvhn0QE/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f504f89-8cad-4dab-91ed-456bbcb46663/bin/utaipan-9zjyvhn0QE/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f504f89-8cad-4dab-91ed-456bbcb46663/bin/utaipan-9zjyvhn0QE --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 b2c0c3bb235b3cb9b743b5348761a25c330a62218c7855ae61dc6807c2962177 ............................................................................................................................................. 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_7f504f89-8cad-4dab-91ed-456bbcb46663/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f504f89-8cad-4dab-91ed-456bbcb46663/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f504f89-8cad-4dab-91ed-456bbcb46663/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f504f89-8cad-4dab-91ed-456bbcb46663/bin/utaipan-9zjyvhn0QE/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f504f89-8cad-4dab-91ed-456bbcb46663/bin/utaipan-9zjyvhn0QE/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f504f89-8cad-4dab-91ed-456bbcb46663/bin/utaipan-9zjyvhn0QE --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 b2c0c3bb235b3cb9b743b5348761a25c330a62218c7855ae61dc6807c2962177 .......................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 09:46:27,614 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 09:46:27,616 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 09:46:27,646 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 09:46:27,646 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 09:46:27,648 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 09:46:27,650 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 09:46:27,652 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 09:46:27,654 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 09:46:27,656 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 09:46:27,657 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 09:46:27,659 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 09:46:27,659 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 09:46:27,661 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 09:46:27,663 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 09:46:27,664 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 09:46:27,666 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 09:46:27,667 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 09:46:27,669 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 09:46:27,672 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 09:46:27,674 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 09:46:27,676 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 09:46:27,678 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 09:46:27,679 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 09:46:27,683 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 09:46:27,683 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 09:46:27,684 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 09:46:27,685 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 09:46:27,686 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 09:46:27,687 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 09:46:27,687 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 09:46:27,688 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 09:46:27,689 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 09:46:27,690 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 09:46:27,692 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 09:46:27,692 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 09:46:27,693 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 09:46:27,694 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 09:46:27,694 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 09:46:27,695 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 09:46:27,696 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 09:46:27,697 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f504f89-8cad-4dab-91ed-456bbcb46663/bin/utaipan-9zjyvhn0QE/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-10-24 09:46:27,724 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 09:46:27,724 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 09:46:27,725 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 09:46:27,726 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 09:46:27,726 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 09:46:27,727 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 09:46:27,727 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 09:46:27,728 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 09:46:27,728 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 09:46:27,729 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 09:46:27,729 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 09:46:27,730 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 09:46:27,730 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 09:46:27,731 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 09:46:27,731 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 09:46:27,732 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-24 09:46:27,733 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-24 09:46:27,733 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 09:46:27,734 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 09:46:27,734 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-24 09:46:27,735 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 09:46:27,735 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 09:46:27,736 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 09:46:27,736 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-24 09:46:27,737 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-24 09:46:27,737 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-24 09:46:27,738 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 09:46:27,738 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 09:46:27,739 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 09:46:27,739 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 09:46:27,740 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 09:46:27,740 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 09:46:27,740 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 09:46:27,741 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 09:46:27,741 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 09:46:27,741 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 09:46:27,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 09:46:27,742 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 09:46:27,742 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 09:46:27,743 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_7f504f89-8cad-4dab-91ed-456bbcb46663/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f504f89-8cad-4dab-91ed-456bbcb46663/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2c0c3bb235b3cb9b743b5348761a25c330a62218c7855ae61dc6807c2962177 [2021-10-24 09:46:28,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 09:46:28,038 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 09:46:28,041 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 09:46:28,043 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 09:46:28,047 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 09:46:28,048 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f504f89-8cad-4dab-91ed-456bbcb46663/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i [2021-10-24 09:46:28,131 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f504f89-8cad-4dab-91ed-456bbcb46663/bin/utaipan-9zjyvhn0QE/data/bd1f66fbe/77f5614fe2f649b3961fdf4217a901ef/FLAG36ead3e67 [2021-10-24 09:46:28,722 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 09:46:28,723 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f504f89-8cad-4dab-91ed-456bbcb46663/sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i [2021-10-24 09:46:28,744 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f504f89-8cad-4dab-91ed-456bbcb46663/bin/utaipan-9zjyvhn0QE/data/bd1f66fbe/77f5614fe2f649b3961fdf4217a901ef/FLAG36ead3e67 [2021-10-24 09:46:29,010 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f504f89-8cad-4dab-91ed-456bbcb46663/bin/utaipan-9zjyvhn0QE/data/bd1f66fbe/77f5614fe2f649b3961fdf4217a901ef [2021-10-24 09:46:29,012 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 09:46:29,014 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 09:46:29,016 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 09:46:29,016 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 09:46:29,019 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 09:46:29,020 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:46:29" (1/1) ... [2021-10-24 09:46:29,021 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aa4b1cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:46:29, skipping insertion in model container [2021-10-24 09:46:29,022 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:46:29" (1/1) ... [2021-10-24 09:46:29,029 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 09:46:29,075 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 09:46:29,625 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 09:46:29,644 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) [2021-10-24 09:46:29,645 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4d8f9321 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:46:29, skipping insertion in model container [2021-10-24 09:46:29,645 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 09:46:29,645 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 09:46:29,648 INFO L168 Benchmark]: Toolchain (without parser) took 632.44 ms. Allocated memory was 98.6 MB in the beginning and 134.2 MB in the end (delta: 35.7 MB). Free memory was 61.8 MB in the beginning and 104.1 MB in the end (delta: -42.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 09:46:29,649 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 98.6 MB. Free memory was 68.8 MB in the beginning and 68.8 MB in the end (delta: 27.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 09:46:29,650 INFO L168 Benchmark]: CACSL2BoogieTranslator took 629.46 ms. Allocated memory was 98.6 MB in the beginning and 134.2 MB in the end (delta: 35.7 MB). Free memory was 61.6 MB in the beginning and 104.1 MB in the end (delta: -42.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 09:46:29,653 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 98.6 MB. Free memory was 68.8 MB in the beginning and 68.8 MB in the end (delta: 27.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 629.46 ms. Allocated memory was 98.6 MB in the beginning and 134.2 MB in the end (delta: 35.7 MB). Free memory was 61.6 MB in the beginning and 104.1 MB in the end (delta: -42.5 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-e943c26 [2021-10-24 09:46:32,041 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 09:46:32,045 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 09:46:32,102 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 09:46:32,103 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 09:46:32,109 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 09:46:32,115 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 09:46:32,120 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 09:46:32,124 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 09:46:32,135 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 09:46:32,136 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 09:46:32,138 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 09:46:32,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 09:46:32,142 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 09:46:32,143 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 09:46:32,149 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 09:46:32,151 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 09:46:32,152 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 09:46:32,154 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 09:46:32,162 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 09:46:32,165 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 09:46:32,166 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 09:46:32,170 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 09:46:32,172 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 09:46:32,179 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 09:46:32,180 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 09:46:32,180 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 09:46:32,183 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 09:46:32,183 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 09:46:32,185 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 09:46:32,186 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 09:46:32,187 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 09:46:32,189 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 09:46:32,190 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 09:46:32,192 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 09:46:32,193 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 09:46:32,194 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 09:46:32,194 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 09:46:32,195 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 09:46:32,197 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 09:46:32,198 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 09:46:32,198 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f504f89-8cad-4dab-91ed-456bbcb46663/bin/utaipan-9zjyvhn0QE/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-10-24 09:46:32,245 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 09:46:32,246 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 09:46:32,247 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 09:46:32,248 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 09:46:32,248 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 09:46:32,248 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 09:46:32,248 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 09:46:32,249 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 09:46:32,249 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 09:46:32,251 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-24 09:46:32,252 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-24 09:46:32,252 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 09:46:32,253 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 09:46:32,253 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-24 09:46:32,253 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 09:46:32,253 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 09:46:32,254 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 09:46:32,254 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-24 09:46:32,254 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-24 09:46:32,254 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-24 09:46:32,255 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 09:46:32,255 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 09:46:32,255 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 09:46:32,255 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 09:46:32,256 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 09:46:32,256 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 09:46:32,256 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 09:46:32,256 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 09:46:32,257 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 09:46:32,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 09:46:32,257 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 09:46:32,257 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 09:46:32,258 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 09:46:32,258 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 09:46:32,258 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 09:46:32,259 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 09:46:32,259 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_7f504f89-8cad-4dab-91ed-456bbcb46663/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f504f89-8cad-4dab-91ed-456bbcb46663/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2c0c3bb235b3cb9b743b5348761a25c330a62218c7855ae61dc6807c2962177 [2021-10-24 09:46:32,678 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 09:46:32,701 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 09:46:32,704 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 09:46:32,706 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 09:46:32,707 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 09:46:32,708 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f504f89-8cad-4dab-91ed-456bbcb46663/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i [2021-10-24 09:46:32,777 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f504f89-8cad-4dab-91ed-456bbcb46663/bin/utaipan-9zjyvhn0QE/data/da2c6fd76/82e3781468e8411e96ea208ea8b47aba/FLAG307483153 [2021-10-24 09:46:33,456 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 09:46:33,456 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f504f89-8cad-4dab-91ed-456bbcb46663/sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i [2021-10-24 09:46:33,481 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f504f89-8cad-4dab-91ed-456bbcb46663/bin/utaipan-9zjyvhn0QE/data/da2c6fd76/82e3781468e8411e96ea208ea8b47aba/FLAG307483153 [2021-10-24 09:46:33,696 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f504f89-8cad-4dab-91ed-456bbcb46663/bin/utaipan-9zjyvhn0QE/data/da2c6fd76/82e3781468e8411e96ea208ea8b47aba [2021-10-24 09:46:33,700 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 09:46:33,702 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 09:46:33,705 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 09:46:33,705 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 09:46:33,709 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 09:46:33,710 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:46:33" (1/1) ... [2021-10-24 09:46:33,711 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e07c45a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:46:33, skipping insertion in model container [2021-10-24 09:46:33,712 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:46:33" (1/1) ... [2021-10-24 09:46:33,720 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 09:46:33,767 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 09:46:34,295 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 09:46:34,333 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 09:46:34,369 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 09:46:34,482 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 09:46:34,492 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 09:46:34,578 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 09:46:34,647 INFO L208 MainTranslator]: Completed translation [2021-10-24 09:46:34,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:46:34 WrapperNode [2021-10-24 09:46:34,648 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 09:46:34,650 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 09:46:34,650 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 09:46:34,651 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 09:46:34,659 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:46:34" (1/1) ... [2021-10-24 09:46:34,705 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:46:34" (1/1) ... [2021-10-24 09:46:34,741 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 09:46:34,742 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 09:46:34,742 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 09:46:34,742 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 09:46:34,754 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:46:34" (1/1) ... [2021-10-24 09:46:34,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:46:34" (1/1) ... [2021-10-24 09:46:34,775 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:46:34" (1/1) ... [2021-10-24 09:46:34,776 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:46:34" (1/1) ... [2021-10-24 09:46:34,806 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:46:34" (1/1) ... [2021-10-24 09:46:34,808 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:46:34" (1/1) ... [2021-10-24 09:46:34,810 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:46:34" (1/1) ... [2021-10-24 09:46:34,813 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 09:46:34,817 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 09:46:34,831 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 09:46:34,831 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 09:46:34,832 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:46:34" (1/1) ... [2021-10-24 09:46:34,841 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 09:46:34,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f504f89-8cad-4dab-91ed-456bbcb46663/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 09:46:34,881 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f504f89-8cad-4dab-91ed-456bbcb46663/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 09:46:34,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f504f89-8cad-4dab-91ed-456bbcb46663/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 09:46:34,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-24 09:46:34,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 09:46:34,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-24 09:46:34,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 09:46:34,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 09:46:35,251 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 09:46:35,251 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-24 09:46:35,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:46:35 BoogieIcfgContainer [2021-10-24 09:46:35,253 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 09:46:35,255 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 09:46:35,255 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 09:46:35,258 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 09:46:35,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 09:46:33" (1/3) ... [2021-10-24 09:46:35,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21de26db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:46:35, skipping insertion in model container [2021-10-24 09:46:35,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:46:34" (2/3) ... [2021-10-24 09:46:35,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21de26db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:46:35, skipping insertion in model container [2021-10-24 09:46:35,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:46:35" (3/3) ... [2021-10-24 09:46:35,261 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test9_2.i [2021-10-24 09:46:35,266 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 09:46:35,266 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-24 09:46:35,312 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 09:46:35,319 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-24 09:46:35,319 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-24 09:46:35,333 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 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) [2021-10-24 09:46:35,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-24 09:46:35,340 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:46:35,340 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:46:35,341 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-10-24 09:46:35,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:46:35,347 INFO L82 PathProgramCache]: Analyzing trace with hash 1804966408, now seen corresponding path program 1 times [2021-10-24 09:46:35,360 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:46:35,360 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [46083888] [2021-10-24 09:46:35,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:46:35,361 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:46:35,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f504f89-8cad-4dab-91ed-456bbcb46663/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:46:35,365 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f504f89-8cad-4dab-91ed-456bbcb46663/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:46:35,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f504f89-8cad-4dab-91ed-456bbcb46663/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 09:46:35,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-24 09:46:35,489 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-24 09:46:35,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-24 09:46:35,564 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-24 09:46:35,567 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-24 09:46:35,568 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK [2021-10-24 09:46:35,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f504f89-8cad-4dab-91ed-456bbcb46663/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-24 09:46:35,782 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f504f89-8cad-4dab-91ed-456bbcb46663/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:46:35,790 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 09:46:35,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 09:46:35 BoogieIcfgContainer [2021-10-24 09:46:35,812 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 09:46:35,816 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 09:46:35,817 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 09:46:35,817 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 09:46:35,818 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:46:35" (3/4) ... [2021-10-24 09:46:35,822 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-24 09:46:35,822 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 09:46:35,826 INFO L168 Benchmark]: Toolchain (without parser) took 2120.79 ms. Allocated memory was 71.3 MB in the beginning and 107.0 MB in the end (delta: 35.7 MB). Free memory was 52.1 MB in the beginning and 67.5 MB in the end (delta: -15.5 MB). Peak memory consumption was 20.9 MB. Max. memory is 16.1 GB. [2021-10-24 09:46:35,828 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 71.3 MB. Free memory was 53.1 MB in the beginning and 53.1 MB in the end (delta: 54.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 09:46:35,834 INFO L168 Benchmark]: CACSL2BoogieTranslator took 944.13 ms. Allocated memory is still 71.3 MB. Free memory was 52.0 MB in the beginning and 37.7 MB in the end (delta: 14.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-24 09:46:35,835 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.25 ms. Allocated memory is still 71.3 MB. Free memory was 37.7 MB in the beginning and 35.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 09:46:35,835 INFO L168 Benchmark]: Boogie Preprocessor took 74.39 ms. Allocated memory was 71.3 MB in the beginning and 107.0 MB in the end (delta: 35.7 MB). Free memory was 35.5 MB in the beginning and 90.6 MB in the end (delta: -55.1 MB). Peak memory consumption was 6.7 MB. Max. memory is 16.1 GB. [2021-10-24 09:46:35,837 INFO L168 Benchmark]: RCFGBuilder took 435.80 ms. Allocated memory is still 107.0 MB. Free memory was 90.2 MB in the beginning and 80.6 MB in the end (delta: 9.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 09:46:35,837 INFO L168 Benchmark]: TraceAbstraction took 557.13 ms. Allocated memory is still 107.0 MB. Free memory was 80.1 MB in the beginning and 68.1 MB in the end (delta: 12.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 09:46:35,838 INFO L168 Benchmark]: Witness Printer took 5.71 ms. Allocated memory is still 107.0 MB. Free memory was 68.0 MB in the beginning and 67.5 MB in the end (delta: 427.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 09:46:35,849 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 71.3 MB. Free memory was 53.1 MB in the beginning and 53.1 MB in the end (delta: 54.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 944.13 ms. Allocated memory is still 71.3 MB. Free memory was 52.0 MB in the beginning and 37.7 MB in the end (delta: 14.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 91.25 ms. Allocated memory is still 71.3 MB. Free memory was 37.7 MB in the beginning and 35.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 74.39 ms. Allocated memory was 71.3 MB in the beginning and 107.0 MB in the end (delta: 35.7 MB). Free memory was 35.5 MB in the beginning and 90.6 MB in the end (delta: -55.1 MB). Peak memory consumption was 6.7 MB. Max. memory is 16.1 GB. * RCFGBuilder took 435.80 ms. Allocated memory is still 107.0 MB. Free memory was 90.2 MB in the beginning and 80.6 MB in the end (delta: 9.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 557.13 ms. Allocated memory is still 107.0 MB. Free memory was 80.1 MB in the beginning and 68.1 MB in the end (delta: 12.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Witness Printer took 5.71 ms. Allocated memory is still 107.0 MB. Free memory was 68.0 MB in the beginning and 67.5 MB in the end (delta: 427.4 kB). Peak memory consumption was 2.1 MB. 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: 769]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: 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 *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] COND TRUE \read(*a9) [L761] return 0; VAL [a9={1:0}, ldv_global_msg_list={-2147483648:0}] [L767] a9 = 0 VAL [a9={0:0}, ldv_global_msg_list={-2147483648:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 477.7ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 10.8ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 22.4ms SsaConstructionTime, 37.0ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 [2021-10-24 09:46:35,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f504f89-8cad-4dab-91ed-456bbcb46663/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...