./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 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a80c479-fedf-4c1c-8d3f-977f8ae582f9/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a80c479-fedf-4c1c-8d3f-977f8ae582f9/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_5a80c479-fedf-4c1c-8d3f-977f8ae582f9/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a80c479-fedf-4c1c-8d3f-977f8ae582f9/bin/utaipan-WLngWcDbfI/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a80c479-fedf-4c1c-8d3f-977f8ae582f9/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_5a80c479-fedf-4c1c-8d3f-977f8ae582f9/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 304ad22bf348771f128136f36ea0b40ed8a676a7 ............................................................................................................................................. 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_5a80c479-fedf-4c1c-8d3f-977f8ae582f9/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a80c479-fedf-4c1c-8d3f-977f8ae582f9/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_5a80c479-fedf-4c1c-8d3f-977f8ae582f9/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a80c479-fedf-4c1c-8d3f-977f8ae582f9/bin/utaipan-WLngWcDbfI/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a80c479-fedf-4c1c-8d3f-977f8ae582f9/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_5a80c479-fedf-4c1c-8d3f-977f8ae582f9/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 304ad22bf348771f128136f36ea0b40ed8a676a7 .......................................................................................................................................................................................................................................................... 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 02:23:32,846 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:23:32,848 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:23:32,897 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:23:32,898 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:23:32,900 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:23:32,902 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:23:32,905 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:23:32,908 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:23:32,909 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:23:32,911 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:23:32,913 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:23:32,914 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:23:32,915 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:23:32,917 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:23:32,919 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:23:32,921 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:23:32,922 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:23:32,925 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:23:32,928 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:23:32,930 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:23:32,932 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:23:32,934 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:23:32,935 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:23:32,939 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:23:32,939 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:23:32,940 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:23:32,941 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:23:32,942 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:23:32,943 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:23:32,944 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:23:32,945 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:23:32,946 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:23:32,947 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:23:32,949 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:23:32,949 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:23:32,950 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:23:32,951 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:23:32,951 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:23:32,952 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:23:32,953 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:23:32,954 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a80c479-fedf-4c1c-8d3f-977f8ae582f9/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-10-11 02:23:32,995 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:23:32,995 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:23:32,997 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:23:32,997 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:23:32,998 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:23:32,998 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:23:32,998 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:23:32,998 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:23:32,999 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:23:32,999 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:23:33,000 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:23:33,000 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:23:33,001 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:23:33,001 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:23:33,001 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:23:33,003 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 02:23:33,003 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 02:23:33,003 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:23:33,003 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:23:33,004 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 02:23:33,004 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:23:33,004 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:23:33,004 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:23:33,005 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-11 02:23:33,005 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-11 02:23:33,005 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-11 02:23:33,005 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:23:33,005 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:23:33,006 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:23:33,006 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:23:33,006 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:23:33,007 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:23:33,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:23:33,007 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:23:33,007 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:23:33,008 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:23:33,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:23:33,008 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:23:33,008 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:23:33,009 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_5a80c479-fedf-4c1c-8d3f-977f8ae582f9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a80c479-fedf-4c1c-8d3f-977f8ae582f9/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 304ad22bf348771f128136f36ea0b40ed8a676a7 [2021-10-11 02:23:33,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:23:33,359 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:23:33,363 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:23:33,365 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:23:33,366 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:23:33,367 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a80c479-fedf-4c1c-8d3f-977f8ae582f9/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i [2021-10-11 02:23:33,450 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a80c479-fedf-4c1c-8d3f-977f8ae582f9/bin/utaipan-WLngWcDbfI/data/a0e80b3c0/f228160968c74c4bb88934a3ac9aa766/FLAG735d7ecde [2021-10-11 02:23:34,061 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:23:34,062 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a80c479-fedf-4c1c-8d3f-977f8ae582f9/sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i [2021-10-11 02:23:34,081 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a80c479-fedf-4c1c-8d3f-977f8ae582f9/bin/utaipan-WLngWcDbfI/data/a0e80b3c0/f228160968c74c4bb88934a3ac9aa766/FLAG735d7ecde [2021-10-11 02:23:34,338 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a80c479-fedf-4c1c-8d3f-977f8ae582f9/bin/utaipan-WLngWcDbfI/data/a0e80b3c0/f228160968c74c4bb88934a3ac9aa766 [2021-10-11 02:23:34,341 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:23:34,343 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:23:34,355 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:23:34,355 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:23:34,359 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:23:34,360 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:23:34" (1/1) ... [2021-10-11 02:23:34,362 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@616e8527 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:34, skipping insertion in model container [2021-10-11 02:23:34,362 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:23:34" (1/1) ... [2021-10-11 02:23:34,369 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:23:34,425 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:23:34,824 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:23:34,854 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 02:23:34,856 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4bb7901b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:34, skipping insertion in model container [2021-10-11 02:23:34,856 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:23:34,856 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:23:34,860 INFO L168 Benchmark]: Toolchain (without parser) took 514.56 ms. Allocated memory was 90.2 MB in the beginning and 132.1 MB in the end (delta: 41.9 MB). Free memory was 60.5 MB in the beginning and 105.2 MB in the end (delta: -44.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:34,862 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 90.2 MB. Free memory is still 45.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:23:34,864 INFO L168 Benchmark]: CACSL2BoogieTranslator took 501.63 ms. Allocated memory was 90.2 MB in the beginning and 132.1 MB in the end (delta: 41.9 MB). Free memory was 60.3 MB in the beginning and 105.2 MB in the end (delta: -44.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:34,866 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 90.2 MB. Free memory is still 45.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 501.63 ms. Allocated memory was 90.2 MB in the beginning and 132.1 MB in the end (delta: 41.9 MB). Free memory was 60.3 MB in the beginning and 105.2 MB in the end (delta: -44.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:23:37,149 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:23:37,152 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:23:37,190 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:23:37,191 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:23:37,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:23:37,194 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:23:37,197 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:23:37,199 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:23:37,201 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:23:37,202 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:23:37,204 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:23:37,204 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:23:37,206 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:23:37,207 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:23:37,209 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:23:37,210 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:23:37,211 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:23:37,214 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:23:37,216 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:23:37,218 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:23:37,228 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:23:37,230 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:23:37,231 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:23:37,235 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:23:37,238 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:23:37,238 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:23:37,239 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:23:37,241 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:23:37,243 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:23:37,243 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:23:37,244 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:23:37,246 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:23:37,247 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:23:37,249 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:23:37,249 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:23:37,250 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:23:37,251 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:23:37,251 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:23:37,253 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:23:37,254 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:23:37,255 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a80c479-fedf-4c1c-8d3f-977f8ae582f9/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-10-11 02:23:37,302 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:23:37,303 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:23:37,304 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:23:37,317 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:23:37,317 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:23:37,317 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:23:37,318 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:23:37,318 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:23:37,318 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:23:37,320 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 02:23:37,321 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 02:23:37,321 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:23:37,321 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:23:37,322 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 02:23:37,322 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:23:37,322 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:23:37,323 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:23:37,323 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-11 02:23:37,323 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-11 02:23:37,323 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-11 02:23:37,324 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:23:37,324 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:23:37,324 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:23:37,324 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:23:37,325 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:23:37,325 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:23:37,325 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:23:37,326 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:23:37,326 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:23:37,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:23:37,326 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:23:37,327 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:23:37,327 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:23:37,327 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:23:37,328 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:23:37,328 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:23:37,328 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_5a80c479-fedf-4c1c-8d3f-977f8ae582f9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a80c479-fedf-4c1c-8d3f-977f8ae582f9/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 304ad22bf348771f128136f36ea0b40ed8a676a7 [2021-10-11 02:23:37,710 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:23:37,734 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:23:37,737 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:23:37,738 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:23:37,739 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:23:37,740 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a80c479-fedf-4c1c-8d3f-977f8ae582f9/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i [2021-10-11 02:23:37,811 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a80c479-fedf-4c1c-8d3f-977f8ae582f9/bin/utaipan-WLngWcDbfI/data/dd77802a4/1fabaaf06d89491b9d2cb2ed3d0bcdd1/FLAG4854e08a2 [2021-10-11 02:23:38,393 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:23:38,394 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a80c479-fedf-4c1c-8d3f-977f8ae582f9/sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i [2021-10-11 02:23:38,410 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a80c479-fedf-4c1c-8d3f-977f8ae582f9/bin/utaipan-WLngWcDbfI/data/dd77802a4/1fabaaf06d89491b9d2cb2ed3d0bcdd1/FLAG4854e08a2 [2021-10-11 02:23:38,638 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a80c479-fedf-4c1c-8d3f-977f8ae582f9/bin/utaipan-WLngWcDbfI/data/dd77802a4/1fabaaf06d89491b9d2cb2ed3d0bcdd1 [2021-10-11 02:23:38,640 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:23:38,642 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:23:38,643 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:23:38,643 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:23:38,647 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:23:38,648 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:23:38" (1/1) ... [2021-10-11 02:23:38,650 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3716748a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:38, skipping insertion in model container [2021-10-11 02:23:38,650 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:23:38" (1/1) ... [2021-10-11 02:23:38,661 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:23:38,730 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:23:39,192 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:23:39,216 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:23:39,223 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:23:39,263 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:23:39,271 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:23:39,319 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:23:39,435 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:23:39,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:39 WrapperNode [2021-10-11 02:23:39,435 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:23:39,436 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:23:39,436 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:23:39,437 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:23:39,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:39" (1/1) ... [2021-10-11 02:23:39,490 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:39" (1/1) ... [2021-10-11 02:23:39,510 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:23:39,512 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:23:39,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:23:39,512 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:23:39,521 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:39" (1/1) ... [2021-10-11 02:23:39,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:39" (1/1) ... [2021-10-11 02:23:39,524 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:39" (1/1) ... [2021-10-11 02:23:39,524 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:39" (1/1) ... [2021-10-11 02:23:39,538 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:39" (1/1) ... [2021-10-11 02:23:39,540 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:39" (1/1) ... [2021-10-11 02:23:39,547 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:39" (1/1) ... [2021-10-11 02:23:39,549 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:23:39,550 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:23:39,550 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:23:39,550 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:23:39,551 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:39" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a80c479-fedf-4c1c-8d3f-977f8ae582f9/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 02:23:39,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-11 02:23:39,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:23:39,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-11 02:23:39,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:23:39,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:23:39,898 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:23:39,899 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-11 02:23:39,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:23:39 BoogieIcfgContainer [2021-10-11 02:23:39,900 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:23:39,902 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:23:39,902 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:23:39,905 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:23:39,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:23:38" (1/3) ... [2021-10-11 02:23:39,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13e66cbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:23:39, skipping insertion in model container [2021-10-11 02:23:39,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:39" (2/3) ... [2021-10-11 02:23:39,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13e66cbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:23:39, skipping insertion in model container [2021-10-11 02:23:39,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:23:39" (3/3) ... [2021-10-11 02:23:39,908 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test9_2.i [2021-10-11 02:23:39,922 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:23:39,925 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 02:23:39,936 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 02:23:39,956 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:23:39,957 INFO L378 AbstractCegarLoop]: Hoare is false [2021-10-11 02:23:39,957 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:23:39,957 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:23:39,957 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:23:39,957 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:23:39,957 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:23:39,958 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:23:39,968 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2021-10-11 02:23:39,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-11 02:23:39,975 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:39,975 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:23:39,976 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK]=== [2021-10-11 02:23:39,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:39,982 INFO L82 PathProgramCache]: Analyzing trace with hash 1804966408, now seen corresponding path program 1 times [2021-10-11 02:23:39,993 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:23:39,994 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1843362902] [2021-10-11 02:23:39,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a80c479-fedf-4c1c-8d3f-977f8ae582f9/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 02:23:40,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:23:40,131 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:23:40,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:23:40,158 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:23:40,194 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-11 02:23:40,194 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:23:40,414 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:23:40,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:23:40 BoogieIcfgContainer [2021-10-11 02:23:40,434 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:23:40,435 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:23:40,435 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:23:40,435 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:23:40,435 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:23:39" (3/4) ... [2021-10-11 02:23:40,438 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-11 02:23:40,439 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:23:40,446 INFO L168 Benchmark]: Toolchain (without parser) took 1802.92 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 35.4 MB in the beginning and 41.5 MB in the end (delta: -6.1 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:40,447 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 58.7 MB. Free memory is still 40.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:23:40,448 INFO L168 Benchmark]: CACSL2BoogieTranslator took 792.37 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 35.3 MB in the beginning and 37.1 MB in the end (delta: -1.8 MB). Peak memory consumption was 14.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:40,450 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.26 ms. Allocated memory is still 71.3 MB. Free memory was 37.1 MB in the beginning and 34.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:40,451 INFO L168 Benchmark]: Boogie Preprocessor took 37.65 ms. Allocated memory is still 71.3 MB. Free memory was 34.9 MB in the beginning and 54.0 MB in the end (delta: -19.2 MB). Peak memory consumption was 2.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:40,451 INFO L168 Benchmark]: RCFGBuilder took 350.49 ms. Allocated memory is still 71.3 MB. Free memory was 54.0 MB in the beginning and 40.1 MB in the end (delta: 13.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:40,453 INFO L168 Benchmark]: TraceAbstraction took 532.11 ms. Allocated memory is still 71.3 MB. Free memory was 39.8 MB in the beginning and 42.0 MB in the end (delta: -2.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:23:40,454 INFO L168 Benchmark]: Witness Printer took 9.06 ms. Allocated memory is still 71.3 MB. Free memory was 42.0 MB in the beginning and 41.5 MB in the end (delta: 424.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:23:40,460 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 58.7 MB. Free memory is still 40.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 792.37 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 35.3 MB in the beginning and 37.1 MB in the end (delta: -1.8 MB). Peak memory consumption was 14.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 74.26 ms. Allocated memory is still 71.3 MB. Free memory was 37.1 MB in the beginning and 34.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 37.65 ms. Allocated memory is still 71.3 MB. Free memory was 34.9 MB in the beginning and 54.0 MB in the end (delta: -19.2 MB). Peak memory consumption was 2.7 MB. Max. memory is 16.1 GB. * RCFGBuilder took 350.49 ms. Allocated memory is still 71.3 MB. Free memory was 54.0 MB in the beginning and 40.1 MB in the end (delta: 13.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 532.11 ms. Allocated memory is still 71.3 MB. Free memory was 39.8 MB in the beginning and 42.0 MB in the end (delta: -2.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 9.06 ms. Allocated memory is still 71.3 MB. Free memory was 42.0 MB in the beginning and 41.5 MB in the end (delta: 424.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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={3:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); VAL [a9={0:0}, ldv_global_msg_list={3:0}] [L759] a9 = (int *)ldv_malloc(sizeof(int)) [L760] COND TRUE \read(*a9) [L761] return 0; VAL [a9={1:0}, ldv_global_msg_list={3:0}] [L767] a9 = 0 VAL [a9={0:0}, ldv_global_msg_list={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 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=10occurred 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, 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 Received shutdown request...