./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_eb309d26-c32b-4452-8eba-19669f6d0a21/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_eb309d26-c32b-4452-8eba-19669f6d0a21/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_eb309d26-c32b-4452-8eba-19669f6d0a21/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_eb309d26-c32b-4452-8eba-19669f6d0a21/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_eb309d26-c32b-4452-8eba-19669f6d0a21/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_eb309d26-c32b-4452-8eba-19669f6d0a21/bin/utaipan --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 ddfce359b3d8de0c5be1f8bf63d3270573e58c63 .............................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_eb309d26-c32b-4452-8eba-19669f6d0a21/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_eb309d26-c32b-4452-8eba-19669f6d0a21/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_eb309d26-c32b-4452-8eba-19669f6d0a21/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_eb309d26-c32b-4452-8eba-19669f6d0a21/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_eb309d26-c32b-4452-8eba-19669f6d0a21/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_eb309d26-c32b-4452-8eba-19669f6d0a21/bin/utaipan --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 ddfce359b3d8de0c5be1f8bf63d3270573e58c63 ........................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:07:57,623 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:07:57,627 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:07:57,710 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:07:57,710 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:07:57,712 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:07:57,714 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:07:57,717 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:07:57,719 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:07:57,721 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:07:57,722 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:07:57,724 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:07:57,724 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:07:57,726 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:07:57,727 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:07:57,729 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:07:57,730 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:07:57,735 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:07:57,738 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:07:57,746 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:07:57,751 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:07:57,754 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:07:57,756 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:07:57,757 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:07:57,764 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:07:57,766 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:07:57,767 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:07:57,769 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:07:57,770 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:07:57,771 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:07:57,772 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:07:57,773 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:07:57,775 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:07:57,777 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:07:57,778 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:07:57,779 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:07:57,780 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:07:57,780 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:07:57,781 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:07:57,782 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:07:57,783 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:07:57,786 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_eb309d26-c32b-4452-8eba-19669f6d0a21/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2020-11-22 13:07:57,836 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:07:57,837 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:07:57,839 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:07:57,839 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:07:57,840 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:07:57,840 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:07:57,840 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:07:57,840 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:07:57,841 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:07:57,841 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:07:57,842 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:07:57,842 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:07:57,843 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:07:57,843 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:07:57,843 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:07:57,844 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-22 13:07:57,844 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-22 13:07:57,845 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:07:57,845 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:07:57,845 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-22 13:07:57,845 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:07:57,846 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:07:57,846 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:07:57,846 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-22 13:07:57,846 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-22 13:07:57,847 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-22 13:07:57,848 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:07:57,849 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:07:57,849 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:07:57,849 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:07:57,850 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:07:57,850 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:07:57,850 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:07:57,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:07:57,851 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:07:57,851 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:07:57,852 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:07:57,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:07:57,852 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:07:57,852 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:07:57,853 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-vcloud-master/worker/run_dir_eb309d26-c32b-4452-8eba-19669f6d0a21/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_eb309d26-c32b-4452-8eba-19669f6d0a21/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ddfce359b3d8de0c5be1f8bf63d3270573e58c63 [2020-11-22 13:07:58,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:07:58,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:07:58,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:07:58,210 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:07:58,211 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:07:58,212 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_eb309d26-c32b-4452-8eba-19669f6d0a21/bin/utaipan/../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i [2020-11-22 13:07:58,291 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_eb309d26-c32b-4452-8eba-19669f6d0a21/bin/utaipan/data/c37e19790/c37c77c9c28f44f3bbe8d09a78601f25/FLAG77b925514 [2020-11-22 13:07:58,936 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:07:58,936 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_eb309d26-c32b-4452-8eba-19669f6d0a21/sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i [2020-11-22 13:07:58,969 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_eb309d26-c32b-4452-8eba-19669f6d0a21/bin/utaipan/data/c37e19790/c37c77c9c28f44f3bbe8d09a78601f25/FLAG77b925514 [2020-11-22 13:07:59,237 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_eb309d26-c32b-4452-8eba-19669f6d0a21/bin/utaipan/data/c37e19790/c37c77c9c28f44f3bbe8d09a78601f25 [2020-11-22 13:07:59,240 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:07:59,242 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:07:59,244 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:07:59,244 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:07:59,247 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:07:59,248 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:07:59" (1/1) ... [2020-11-22 13:07:59,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75863a37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:59, skipping insertion in model container [2020-11-22 13:07:59,251 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:07:59" (1/1) ... [2020-11-22 13:07:59,258 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:07:59,333 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:07:59,704 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:07:59,730 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) [2020-11-22 13:07:59,731 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@37911d89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:59, skipping insertion in model container [2020-11-22 13:07:59,731 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:07:59,731 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 13:07:59,734 INFO L168 Benchmark]: Toolchain (without parser) took 490.54 ms. Allocated memory is still 98.6 MB. Free memory was 61.7 MB in the beginning and 72.1 MB in the end (delta: -10.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-22 13:07:59,736 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 98.6 MB. Free memory was 79.4 MB in the beginning and 79.4 MB in the end (delta: 75.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:07:59,738 INFO L168 Benchmark]: CACSL2BoogieTranslator took 487.70 ms. Allocated memory is still 98.6 MB. Free memory was 61.5 MB in the beginning and 72.1 MB in the end (delta: -10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:07:59,740 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 98.6 MB. Free memory was 79.4 MB in the beginning and 79.4 MB in the end (delta: 75.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 487.70 ms. Allocated memory is still 98.6 MB. Free memory was 61.5 MB in the beginning and 72.1 MB in the end (delta: -10.6 MB). Peak memory consumption was 10.5 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-a4ecdab [2020-11-22 13:08:02,127 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:08:02,129 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:08:02,163 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:08:02,164 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:08:02,165 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:08:02,167 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:08:02,170 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:08:02,172 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:08:02,173 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:08:02,174 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:08:02,176 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:08:02,176 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:08:02,178 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:08:02,179 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:08:02,181 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:08:02,186 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:08:02,187 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:08:02,190 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:08:02,192 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:08:02,194 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:08:02,202 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:08:02,204 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:08:02,205 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:08:02,208 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:08:02,209 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:08:02,209 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:08:02,210 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:08:02,211 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:08:02,212 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:08:02,213 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:08:02,221 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:08:02,223 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:08:02,224 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:08:02,226 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:08:02,226 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:08:02,228 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:08:02,228 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:08:02,228 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:08:02,231 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:08:02,232 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:08:02,232 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_eb309d26-c32b-4452-8eba-19669f6d0a21/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2020-11-22 13:08:02,282 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:08:02,283 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:08:02,285 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:08:02,285 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:08:02,285 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:08:02,285 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:08:02,286 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:08:02,286 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:08:02,286 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:08:02,287 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-22 13:08:02,288 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-22 13:08:02,289 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:08:02,289 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:08:02,289 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-22 13:08:02,289 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:08:02,290 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:08:02,290 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:08:02,290 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-22 13:08:02,290 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-22 13:08:02,290 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-22 13:08:02,291 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:08:02,291 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:08:02,291 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 13:08:02,291 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 13:08:02,291 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:08:02,291 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:08:02,292 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:08:02,292 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 13:08:02,292 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:08:02,292 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:08:02,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:08:02,293 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:08:02,293 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:08:02,293 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 13:08:02,312 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 13:08:02,312 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:08:02,312 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:08:02,313 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-vcloud-master/worker/run_dir_eb309d26-c32b-4452-8eba-19669f6d0a21/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_eb309d26-c32b-4452-8eba-19669f6d0a21/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ddfce359b3d8de0c5be1f8bf63d3270573e58c63 [2020-11-22 13:08:02,732 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:08:02,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:08:02,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:08:02,770 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:08:02,770 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:08:02,771 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_eb309d26-c32b-4452-8eba-19669f6d0a21/bin/utaipan/../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i [2020-11-22 13:08:02,860 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_eb309d26-c32b-4452-8eba-19669f6d0a21/bin/utaipan/data/624b8407e/fd62f2ccc2de4f8c84bcb1cdf136b284/FLAG78514f878 [2020-11-22 13:08:03,506 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:08:03,507 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_eb309d26-c32b-4452-8eba-19669f6d0a21/sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i [2020-11-22 13:08:03,523 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_eb309d26-c32b-4452-8eba-19669f6d0a21/bin/utaipan/data/624b8407e/fd62f2ccc2de4f8c84bcb1cdf136b284/FLAG78514f878 [2020-11-22 13:08:03,720 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_eb309d26-c32b-4452-8eba-19669f6d0a21/bin/utaipan/data/624b8407e/fd62f2ccc2de4f8c84bcb1cdf136b284 [2020-11-22 13:08:03,723 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:08:03,727 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:08:03,729 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:08:03,729 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:08:03,733 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:08:03,733 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:08:03" (1/1) ... [2020-11-22 13:08:03,741 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4518f07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:03, skipping insertion in model container [2020-11-22 13:08:03,742 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:08:03" (1/1) ... [2020-11-22 13:08:03,749 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:08:03,814 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:08:04,230 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:08:04,249 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-22 13:08:04,259 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:08:04,338 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:08:04,361 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 13:08:04,453 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:08:04,558 INFO L208 MainTranslator]: Completed translation [2020-11-22 13:08:04,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:04 WrapperNode [2020-11-22 13:08:04,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:08:04,560 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 13:08:04,561 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 13:08:04,561 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 13:08:04,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:04" (1/1) ... [2020-11-22 13:08:04,617 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:04" (1/1) ... [2020-11-22 13:08:04,639 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 13:08:04,642 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 13:08:04,642 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 13:08:04,642 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 13:08:04,651 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:04" (1/1) ... [2020-11-22 13:08:04,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:04" (1/1) ... [2020-11-22 13:08:04,654 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:04" (1/1) ... [2020-11-22 13:08:04,655 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:04" (1/1) ... [2020-11-22 13:08:04,670 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:04" (1/1) ... [2020-11-22 13:08:04,671 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:04" (1/1) ... [2020-11-22 13:08:04,673 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:04" (1/1) ... [2020-11-22 13:08:04,676 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 13:08:04,676 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 13:08:04,677 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 13:08:04,689 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 13:08:04,690 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_eb309d26-c32b-4452-8eba-19669f6d0a21/bin/utaipan/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 [2020-11-22 13:08:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-22 13:08:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 13:08:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-11-22 13:08:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 13:08:04,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 13:08:05,095 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 13:08:05,095 INFO L298 CfgBuilder]: Removed 12 assume(true) statements. [2020-11-22 13:08:05,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:08:05 BoogieIcfgContainer [2020-11-22 13:08:05,097 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 13:08:05,099 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 13:08:05,099 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 13:08:05,101 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 13:08:05,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:08:03" (1/3) ... [2020-11-22 13:08:05,102 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cc80ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:08:05, skipping insertion in model container [2020-11-22 13:08:05,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:04" (2/3) ... [2020-11-22 13:08:05,103 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cc80ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:08:05, skipping insertion in model container [2020-11-22 13:08:05,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:08:05" (3/3) ... [2020-11-22 13:08:05,104 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test20-1.i [2020-11-22 13:08:05,119 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 13:08:05,124 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-22 13:08:05,135 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-22 13:08:05,174 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 13:08:05,174 INFO L378 AbstractCegarLoop]: Hoare is false [2020-11-22 13:08:05,174 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 13:08:05,174 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 13:08:05,174 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 13:08:05,174 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 13:08:05,175 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 13:08:05,175 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 13:08:05,186 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2020-11-22 13:08:05,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-22 13:08:05,193 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:08:05,194 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:08:05,195 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-11-22 13:08:05,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:08:05,201 INFO L82 PathProgramCache]: Analyzing trace with hash 1804966440, now seen corresponding path program 1 times [2020-11-22 13:08:05,214 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:08:05,215 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1582975192] [2020-11-22 13:08:05,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_eb309d26-c32b-4452-8eba-19669f6d0a21/bin/utaipan/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 [2020-11-22 13:08:05,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 13:08:05,378 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 13:08:05,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 13:08:05,421 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 13:08:05,465 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2020-11-22 13:08:05,466 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-22 13:08:05,685 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 13:08:05,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:08:05 BoogieIcfgContainer [2020-11-22 13:08:05,711 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 13:08:05,713 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 13:08:05,714 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 13:08:05,714 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 13:08:05,714 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:08:05" (3/4) ... [2020-11-22 13:08:05,727 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-22 13:08:05,731 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 13:08:05,735 INFO L168 Benchmark]: Toolchain (without parser) took 2006.58 ms. Allocated memory was 67.1 MB in the beginning and 90.2 MB in the end (delta: 23.1 MB). Free memory was 49.2 MB in the beginning and 57.1 MB in the end (delta: -7.9 MB). Peak memory consumption was 17.7 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:05,736 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 67.1 MB. Free memory was 50.1 MB in the beginning and 50.0 MB in the end (delta: 52.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:08:05,737 INFO L168 Benchmark]: CACSL2BoogieTranslator took 830.72 ms. Allocated memory is still 67.1 MB. Free memory was 49.0 MB in the beginning and 48.0 MB in the end (delta: 988.5 kB). Peak memory consumption was 26.9 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:05,739 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.02 ms. Allocated memory is still 67.1 MB. Free memory was 48.0 MB in the beginning and 45.7 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:05,741 INFO L168 Benchmark]: Boogie Preprocessor took 34.13 ms. Allocated memory is still 67.1 MB. Free memory was 45.7 MB in the beginning and 44.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:05,742 INFO L168 Benchmark]: RCFGBuilder took 420.78 ms. Allocated memory is still 67.1 MB. Free memory was 44.6 MB in the beginning and 31.0 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:05,744 INFO L168 Benchmark]: TraceAbstraction took 612.64 ms. Allocated memory was 67.1 MB in the beginning and 90.2 MB in the end (delta: 23.1 MB). Free memory was 30.5 MB in the beginning and 57.6 MB in the end (delta: -27.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:08:05,745 INFO L168 Benchmark]: Witness Printer took 19.12 ms. Allocated memory is still 90.2 MB. Free memory was 57.6 MB in the beginning and 57.1 MB in the end (delta: 469.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:08:05,751 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 67.1 MB. Free memory was 50.1 MB in the beginning and 50.0 MB in the end (delta: 52.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 830.72 ms. Allocated memory is still 67.1 MB. Free memory was 49.0 MB in the beginning and 48.0 MB in the end (delta: 988.5 kB). Peak memory consumption was 26.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 80.02 ms. Allocated memory is still 67.1 MB. Free memory was 48.0 MB in the beginning and 45.7 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.13 ms. Allocated memory is still 67.1 MB. Free memory was 45.7 MB in the beginning and 44.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 420.78 ms. Allocated memory is still 67.1 MB. Free memory was 44.6 MB in the beginning and 31.0 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 612.64 ms. Allocated memory was 67.1 MB in the beginning and 90.2 MB in the end (delta: 23.1 MB). Free memory was 30.5 MB in the beginning and 57.6 MB in the end (delta: -27.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 19.12 ms. Allocated memory is still 90.2 MB. Free memory was 57.6 MB in the beginning and 57.1 MB in the end (delta: 469.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 781]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 781. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L761] struct ldv_device *saved_device_20; VAL [ldv_global_msg_list={3:0}, saved_device_20={0:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); VAL [ldv_global_msg_list={3:0}, saved_device_20={0:0}] [L772] struct A20 *p = (struct A20*)ldv_malloc(sizeof(struct A20)); [L773] COND TRUE \read(*p) [L763] saved_device_20 = dev VAL [ldv_global_msg_list={3:0}, saved_device_20={1:4}] [L779] saved_device_20 = 0 VAL [ldv_global_msg_list={3:0}, saved_device_20={0:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.5s, 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...