./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1000366c-e42d-4a0e-a826-fd7357b41982/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1000366c-e42d-4a0e-a826-fd7357b41982/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1000366c-e42d-4a0e-a826-fd7357b41982/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1000366c-e42d-4a0e-a826-fd7357b41982/bin/utaipan-WLngWcDbfI/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1000366c-e42d-4a0e-a826-fd7357b41982/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1000366c-e42d-4a0e-a826-fd7357b41982/bin/utaipan-WLngWcDbfI --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 c0d376e92ef25b65056df1e8dcc5069fa6e580d0 ............................................................................................................................................. 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_1000366c-e42d-4a0e-a826-fd7357b41982/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1000366c-e42d-4a0e-a826-fd7357b41982/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1000366c-e42d-4a0e-a826-fd7357b41982/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1000366c-e42d-4a0e-a826-fd7357b41982/bin/utaipan-WLngWcDbfI/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1000366c-e42d-4a0e-a826-fd7357b41982/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1000366c-e42d-4a0e-a826-fd7357b41982/bin/utaipan-WLngWcDbfI --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 c0d376e92ef25b65056df1e8dcc5069fa6e580d0 .................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:27:10,624 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:27:10,626 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:27:10,669 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:27:10,670 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:27:10,675 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:27:10,678 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:27:10,683 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:27:10,685 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:27:10,691 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:27:10,692 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:27:10,693 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:27:10,694 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:27:10,697 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:27:10,698 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:27:10,700 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:27:10,702 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:27:10,703 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:27:10,708 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:27:10,715 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:27:10,717 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:27:10,719 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:27:10,722 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:27:10,723 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:27:10,731 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:27:10,732 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:27:10,732 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:27:10,733 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:27:10,733 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:27:10,734 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:27:10,735 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:27:10,735 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:27:10,736 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:27:10,737 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:27:10,738 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:27:10,738 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:27:10,738 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:27:10,739 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:27:10,739 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:27:10,739 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:27:10,740 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:27:10,743 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1000366c-e42d-4a0e-a826-fd7357b41982/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-10-11 02:27:10,798 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:27:10,798 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:27:10,800 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:27:10,800 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:27:10,800 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:27:10,806 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:27:10,807 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:27:10,807 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:27:10,807 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:27:10,808 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:27:10,809 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:27:10,809 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:27:10,809 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:27:10,809 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:27:10,810 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:27:10,810 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 02:27:10,811 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 02:27:10,811 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:27:10,811 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:27:10,812 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 02:27:10,812 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:27:10,812 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:27:10,812 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:27:10,812 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-11 02:27:10,813 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-11 02:27:10,813 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-11 02:27:10,815 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:27:10,815 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:27:10,815 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:27:10,815 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:27:10,816 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:27:10,816 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:27:10,816 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:27:10,816 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:27:10,816 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:27:10,816 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:27:10,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:27:10,817 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:27:10,817 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:27:10,817 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_1000366c-e42d-4a0e-a826-fd7357b41982/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1000366c-e42d-4a0e-a826-fd7357b41982/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0d376e92ef25b65056df1e8dcc5069fa6e580d0 [2021-10-11 02:27:11,067 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:27:11,102 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:27:11,106 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:27:11,108 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:27:11,109 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:27:11,110 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1000366c-e42d-4a0e-a826-fd7357b41982/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i [2021-10-11 02:27:11,195 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1000366c-e42d-4a0e-a826-fd7357b41982/bin/utaipan-WLngWcDbfI/data/c0b8317d9/65ff908a218e46048ae0e45fdacce704/FLAGaad2f3458 [2021-10-11 02:27:11,840 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:27:11,841 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1000366c-e42d-4a0e-a826-fd7357b41982/sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i [2021-10-11 02:27:11,861 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1000366c-e42d-4a0e-a826-fd7357b41982/bin/utaipan-WLngWcDbfI/data/c0b8317d9/65ff908a218e46048ae0e45fdacce704/FLAGaad2f3458 [2021-10-11 02:27:12,112 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1000366c-e42d-4a0e-a826-fd7357b41982/bin/utaipan-WLngWcDbfI/data/c0b8317d9/65ff908a218e46048ae0e45fdacce704 [2021-10-11 02:27:12,115 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:27:12,117 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:27:12,134 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:27:12,134 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:27:12,138 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:27:12,140 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:27:12" (1/1) ... [2021-10-11 02:27:12,143 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@130049a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:12, skipping insertion in model container [2021-10-11 02:27:12,143 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:27:12" (1/1) ... [2021-10-11 02:27:12,151 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:27:12,222 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:27:12,591 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:27:12,610 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) [2021-10-11 02:27:12,611 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2e690492 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:12, skipping insertion in model container [2021-10-11 02:27:12,611 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:27:12,612 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:27:12,614 INFO L168 Benchmark]: Toolchain (without parser) took 495.97 ms. Allocated memory was 98.6 MB in the beginning and 125.8 MB in the end (delta: 27.3 MB). Free memory was 64.9 MB in the beginning and 95.9 MB in the end (delta: -31.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:12,615 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 98.6 MB. Free memory is still 51.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:27:12,616 INFO L168 Benchmark]: CACSL2BoogieTranslator took 477.81 ms. Allocated memory was 98.6 MB in the beginning and 125.8 MB in the end (delta: 27.3 MB). Free memory was 64.6 MB in the beginning and 96.3 MB in the end (delta: -31.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:12,618 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 98.6 MB. Free memory is still 51.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 477.81 ms. Allocated memory was 98.6 MB in the beginning and 125.8 MB in the end (delta: 27.3 MB). Free memory was 64.6 MB in the beginning and 96.3 MB in the end (delta: -31.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:27:14,994 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:27:14,996 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:27:15,042 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:27:15,056 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:27:15,061 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:27:15,064 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:27:15,069 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:27:15,072 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:27:15,078 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:27:15,083 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:27:15,084 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:27:15,085 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:27:15,088 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:27:15,089 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:27:15,091 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:27:15,093 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:27:15,097 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:27:15,099 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:27:15,107 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:27:15,109 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:27:15,111 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:27:15,113 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:27:15,115 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:27:15,125 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:27:15,125 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:27:15,126 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:27:15,128 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:27:15,129 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:27:15,130 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:27:15,130 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:27:15,131 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:27:15,133 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:27:15,134 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:27:15,135 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:27:15,136 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:27:15,136 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:27:15,137 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:27:15,137 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:27:15,139 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:27:15,140 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:27:15,141 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1000366c-e42d-4a0e-a826-fd7357b41982/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-10-11 02:27:15,186 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:27:15,187 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:27:15,188 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:27:15,188 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:27:15,189 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:27:15,189 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:27:15,189 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:27:15,189 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:27:15,190 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:27:15,192 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 02:27:15,193 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 02:27:15,193 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:27:15,194 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:27:15,194 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 02:27:15,194 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:27:15,194 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:27:15,195 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:27:15,195 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-11 02:27:15,195 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-11 02:27:15,196 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-11 02:27:15,196 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:27:15,196 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:27:15,196 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:27:15,197 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:27:15,197 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:27:15,197 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:27:15,197 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:27:15,198 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:27:15,198 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:27:15,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:27:15,199 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:27:15,199 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:27:15,199 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:27:15,200 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:27:15,200 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:27:15,200 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:27:15,201 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_1000366c-e42d-4a0e-a826-fd7357b41982/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1000366c-e42d-4a0e-a826-fd7357b41982/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0d376e92ef25b65056df1e8dcc5069fa6e580d0 [2021-10-11 02:27:15,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:27:15,644 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:27:15,646 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:27:15,648 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:27:15,649 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:27:15,650 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1000366c-e42d-4a0e-a826-fd7357b41982/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i [2021-10-11 02:27:15,710 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1000366c-e42d-4a0e-a826-fd7357b41982/bin/utaipan-WLngWcDbfI/data/0a3020a3b/886f3566a0f44a8b8bfbc698db0964ff/FLAG55a91d5f1 [2021-10-11 02:27:16,285 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:27:16,286 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1000366c-e42d-4a0e-a826-fd7357b41982/sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i [2021-10-11 02:27:16,304 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1000366c-e42d-4a0e-a826-fd7357b41982/bin/utaipan-WLngWcDbfI/data/0a3020a3b/886f3566a0f44a8b8bfbc698db0964ff/FLAG55a91d5f1 [2021-10-11 02:27:16,570 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1000366c-e42d-4a0e-a826-fd7357b41982/bin/utaipan-WLngWcDbfI/data/0a3020a3b/886f3566a0f44a8b8bfbc698db0964ff [2021-10-11 02:27:16,573 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:27:16,574 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:27:16,576 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:27:16,576 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:27:16,583 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:27:16,584 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:27:16" (1/1) ... [2021-10-11 02:27:16,591 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19e4c02f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:16, skipping insertion in model container [2021-10-11 02:27:16,592 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:27:16" (1/1) ... [2021-10-11 02:27:16,600 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:27:16,660 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:27:17,058 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:27:17,077 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:27:17,092 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:27:17,196 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:27:17,213 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:27:17,267 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:27:17,395 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:27:17,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:17 WrapperNode [2021-10-11 02:27:17,395 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:27:17,396 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:27:17,397 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:27:17,397 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:27:17,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:17" (1/1) ... [2021-10-11 02:27:17,439 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:17" (1/1) ... [2021-10-11 02:27:17,458 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:27:17,459 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:27:17,459 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:27:17,459 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:27:17,474 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:17" (1/1) ... [2021-10-11 02:27:17,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:17" (1/1) ... [2021-10-11 02:27:17,482 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:17" (1/1) ... [2021-10-11 02:27:17,482 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:17" (1/1) ... [2021-10-11 02:27:17,487 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:17" (1/1) ... [2021-10-11 02:27:17,489 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:17" (1/1) ... [2021-10-11 02:27:17,491 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:17" (1/1) ... [2021-10-11 02:27:17,509 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:27:17,510 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:27:17,511 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:27:17,511 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:27:17,511 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:17" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1000366c-e42d-4a0e-a826-fd7357b41982/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:27:17,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-11 02:27:17,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:27:17,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-11 02:27:17,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:27:17,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:27:18,062 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:27:18,062 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-11 02:27:18,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:27:18 BoogieIcfgContainer [2021-10-11 02:27:18,064 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:27:18,067 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:27:18,067 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:27:18,071 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:27:18,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:27:16" (1/3) ... [2021-10-11 02:27:18,072 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a1caa6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:27:18, skipping insertion in model container [2021-10-11 02:27:18,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:17" (2/3) ... [2021-10-11 02:27:18,073 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a1caa6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:27:18, skipping insertion in model container [2021-10-11 02:27:18,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:27:18" (3/3) ... [2021-10-11 02:27:18,074 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test5_1.i [2021-10-11 02:27:18,088 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:27:18,091 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 02:27:18,102 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 02:27:18,135 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:27:18,135 INFO L378 AbstractCegarLoop]: Hoare is false [2021-10-11 02:27:18,135 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:27:18,136 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:27:18,136 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:27:18,136 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:27:18,136 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:27:18,136 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:27:18,148 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2021-10-11 02:27:18,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-11 02:27:18,155 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:27:18,155 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-11 02:27:18,156 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK]=== [2021-10-11 02:27:18,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:27:18,162 INFO L82 PathProgramCache]: Analyzing trace with hash 889508682, now seen corresponding path program 1 times [2021-10-11 02:27:18,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:27:18,174 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [127936330] [2021-10-11 02:27:18,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1000366c-e42d-4a0e-a826-fd7357b41982/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2021-10-11 02:27:18,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:27:18,325 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:27:18,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:27:18,358 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:27:18,398 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-11 02:27:18,398 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:27:18,627 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:27:18,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:27:18 BoogieIcfgContainer [2021-10-11 02:27:18,648 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:27:18,648 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:27:18,649 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:27:18,649 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:27:18,649 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:27:18" (3/4) ... [2021-10-11 02:27:18,652 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-11 02:27:18,652 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:27:18,654 INFO L168 Benchmark]: Toolchain (without parser) took 2079.16 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 43.1 MB in the beginning and 37.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 20.0 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:18,655 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 65.0 MB. Free memory is still 46.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:27:18,656 INFO L168 Benchmark]: CACSL2BoogieTranslator took 820.05 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 42.9 MB in the beginning and 48.3 MB in the end (delta: -5.4 MB). Peak memory consumption was 16.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:18,656 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.78 ms. Allocated memory is still 79.7 MB. Free memory was 48.3 MB in the beginning and 46.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:18,657 INFO L168 Benchmark]: Boogie Preprocessor took 50.77 ms. Allocated memory is still 79.7 MB. Free memory was 46.2 MB in the beginning and 44.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:18,658 INFO L168 Benchmark]: RCFGBuilder took 553.49 ms. Allocated memory is still 79.7 MB. Free memory was 44.9 MB in the beginning and 55.4 MB in the end (delta: -10.5 MB). Peak memory consumption was 9.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:18,659 INFO L168 Benchmark]: TraceAbstraction took 581.24 ms. Allocated memory is still 79.7 MB. Free memory was 54.9 MB in the beginning and 38.2 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:18,659 INFO L168 Benchmark]: Witness Printer took 4.08 ms. Allocated memory is still 79.7 MB. Free memory is still 38.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:27:18,663 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 65.0 MB. Free memory is still 46.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 820.05 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 42.9 MB in the beginning and 48.3 MB in the end (delta: -5.4 MB). Peak memory consumption was 16.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 61.78 ms. Allocated memory is still 79.7 MB. Free memory was 48.3 MB in the beginning and 46.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 50.77 ms. Allocated memory is still 79.7 MB. Free memory was 46.2 MB in the beginning and 44.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 553.49 ms. Allocated memory is still 79.7 MB. Free memory was 44.9 MB in the beginning and 55.4 MB in the end (delta: -10.5 MB). Peak memory consumption was 9.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 581.24 ms. Allocated memory is still 79.7 MB. Free memory was 54.9 MB in the beginning and 38.2 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Witness Printer took 4.08 ms. Allocated memory is still 79.7 MB. Free memory is still 38.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 763]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 763. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [ldv_global_msg_list={3:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); VAL [ldv_global_msg_list={3:0}] [L758] int *p = (int *)ldv_malloc(sizeof(int)); - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 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 Received shutdown request...