./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6632ff-15da-49fc-80b5-eb832046427d/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6632ff-15da-49fc-80b5-eb832046427d/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_3e6632ff-15da-49fc-80b5-eb832046427d/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6632ff-15da-49fc-80b5-eb832046427d/bin/utaipan-WLngWcDbfI/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6632ff-15da-49fc-80b5-eb832046427d/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_3e6632ff-15da-49fc-80b5-eb832046427d/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 3c3780959fce78cf56ec9398e6f7b05938c23d68 ............................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6632ff-15da-49fc-80b5-eb832046427d/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6632ff-15da-49fc-80b5-eb832046427d/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_3e6632ff-15da-49fc-80b5-eb832046427d/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6632ff-15da-49fc-80b5-eb832046427d/bin/utaipan-WLngWcDbfI/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6632ff-15da-49fc-80b5-eb832046427d/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_3e6632ff-15da-49fc-80b5-eb832046427d/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 3c3780959fce78cf56ec9398e6f7b05938c23d68 ......................................................................................................................................................................................................................................................................................................... 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 02:31:00,079 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:31:00,082 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:31:00,132 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:31:00,133 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:31:00,138 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:31:00,141 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:31:00,145 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:31:00,148 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:31:00,154 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:31:00,155 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:31:00,156 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:31:00,157 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:31:00,160 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:31:00,162 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:31:00,164 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:31:00,165 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:31:00,170 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:31:00,172 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:31:00,182 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:31:00,184 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:31:00,186 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:31:00,189 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:31:00,190 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:31:00,200 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:31:00,201 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:31:00,202 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:31:00,204 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:31:00,204 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:31:00,206 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:31:00,206 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:31:00,207 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:31:00,209 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:31:00,211 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:31:00,212 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:31:00,212 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:31:00,213 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:31:00,214 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:31:00,214 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:31:00,215 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:31:00,215 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:31:00,218 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6632ff-15da-49fc-80b5-eb832046427d/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-10-11 02:31:00,263 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:31:00,263 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:31:00,265 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:31:00,272 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:31:00,272 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:31:00,272 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:31:00,273 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:31:00,273 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:31:00,273 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:31:00,273 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:31:00,275 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:31:00,275 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:31:00,275 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:31:00,276 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:31:00,276 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:31:00,277 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 02:31:00,277 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 02:31:00,277 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:31:00,278 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:31:00,278 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 02:31:00,278 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:31:00,279 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:31:00,279 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:31:00,279 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-11 02:31:00,279 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-11 02:31:00,280 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-11 02:31:00,281 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:31:00,282 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:31:00,282 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:31:00,282 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:31:00,283 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:31:00,283 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:31:00,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:31:00,284 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:31:00,284 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:31:00,284 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:31:00,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:31:00,285 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:31:00,285 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:31:00,285 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_3e6632ff-15da-49fc-80b5-eb832046427d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6632ff-15da-49fc-80b5-eb832046427d/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c3780959fce78cf56ec9398e6f7b05938c23d68 [2021-10-11 02:31:00,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:31:00,621 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:31:00,624 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:31:00,627 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:31:00,628 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:31:00,629 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6632ff-15da-49fc-80b5-eb832046427d/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i [2021-10-11 02:31:00,697 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6632ff-15da-49fc-80b5-eb832046427d/bin/utaipan-WLngWcDbfI/data/ae2c953b8/735069f3663e4fcdb01052dbdb0bfcc9/FLAGbacd5ea1e [2021-10-11 02:31:01,435 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:31:01,440 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6632ff-15da-49fc-80b5-eb832046427d/sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i [2021-10-11 02:31:01,475 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6632ff-15da-49fc-80b5-eb832046427d/bin/utaipan-WLngWcDbfI/data/ae2c953b8/735069f3663e4fcdb01052dbdb0bfcc9/FLAGbacd5ea1e [2021-10-11 02:31:01,621 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6632ff-15da-49fc-80b5-eb832046427d/bin/utaipan-WLngWcDbfI/data/ae2c953b8/735069f3663e4fcdb01052dbdb0bfcc9 [2021-10-11 02:31:01,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:31:01,625 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:31:01,628 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:31:01,629 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:31:01,633 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:31:01,635 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:31:01" (1/1) ... [2021-10-11 02:31:01,638 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28736c21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:01, skipping insertion in model container [2021-10-11 02:31:01,639 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:31:01" (1/1) ... [2021-10-11 02:31:01,651 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:31:01,732 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:31:02,170 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:31:02,191 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 02:31:02,191 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6f2ae41b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:02, skipping insertion in model container [2021-10-11 02:31:02,192 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:31:02,192 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:31:02,195 INFO L168 Benchmark]: Toolchain (without parser) took 568.52 ms. Allocated memory was 79.7 MB in the beginning and 107.0 MB in the end (delta: 27.3 MB). Free memory was 39.7 MB in the beginning and 78.0 MB in the end (delta: -38.3 MB). Peak memory consumption was 8.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:02,196 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 79.7 MB. Free memory was 57.5 MB in the beginning and 57.4 MB in the end (delta: 52.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:31:02,197 INFO L168 Benchmark]: CACSL2BoogieTranslator took 563.95 ms. Allocated memory was 79.7 MB in the beginning and 107.0 MB in the end (delta: 27.3 MB). Free memory was 39.5 MB in the beginning and 78.0 MB in the end (delta: -38.6 MB). Peak memory consumption was 8.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:02,199 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 79.7 MB. Free memory was 57.5 MB in the beginning and 57.4 MB in the end (delta: 52.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 563.95 ms. Allocated memory was 79.7 MB in the beginning and 107.0 MB in the end (delta: 27.3 MB). Free memory was 39.5 MB in the beginning and 78.0 MB in the end (delta: -38.6 MB). Peak memory consumption was 8.8 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 02:31:04,597 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:31:04,600 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:31:04,632 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:31:04,633 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:31:04,634 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:31:04,636 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:31:04,639 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:31:04,641 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:31:04,643 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:31:04,644 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:31:04,645 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:31:04,646 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:31:04,647 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:31:04,649 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:31:04,650 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:31:04,652 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:31:04,654 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:31:04,656 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:31:04,659 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:31:04,662 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:31:04,663 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:31:04,665 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:31:04,666 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:31:04,670 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:31:04,671 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:31:04,671 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:31:04,672 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:31:04,673 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:31:04,674 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:31:04,675 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:31:04,676 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:31:04,677 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:31:04,678 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:31:04,679 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:31:04,680 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:31:04,681 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:31:04,681 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:31:04,682 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:31:04,683 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:31:04,684 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:31:04,685 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6632ff-15da-49fc-80b5-eb832046427d/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-10-11 02:31:04,746 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:31:04,748 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:31:04,750 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:31:04,750 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:31:04,751 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:31:04,751 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:31:04,751 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:31:04,751 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:31:04,751 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:31:04,753 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 02:31:04,754 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 02:31:04,755 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:31:04,755 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:31:04,755 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 02:31:04,755 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:31:04,756 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:31:04,756 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:31:04,756 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-11 02:31:04,756 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-11 02:31:04,757 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-11 02:31:04,757 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:31:04,757 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:31:04,757 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:31:04,757 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:31:04,758 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:31:04,758 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:31:04,758 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:31:04,758 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:31:04,759 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:31:04,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:31:04,759 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:31:04,759 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:31:04,760 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:31:04,760 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:31:04,760 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:31:04,761 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:31:04,761 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_3e6632ff-15da-49fc-80b5-eb832046427d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6632ff-15da-49fc-80b5-eb832046427d/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c3780959fce78cf56ec9398e6f7b05938c23d68 [2021-10-11 02:31:05,149 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:31:05,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:31:05,191 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:31:05,192 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:31:05,193 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:31:05,194 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6632ff-15da-49fc-80b5-eb832046427d/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i [2021-10-11 02:31:05,269 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6632ff-15da-49fc-80b5-eb832046427d/bin/utaipan-WLngWcDbfI/data/dd4f3acd3/21bbf347475943bc935bb29cc2784be8/FLAG3efa8a2df [2021-10-11 02:31:05,967 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:31:05,968 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6632ff-15da-49fc-80b5-eb832046427d/sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i [2021-10-11 02:31:05,992 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6632ff-15da-49fc-80b5-eb832046427d/bin/utaipan-WLngWcDbfI/data/dd4f3acd3/21bbf347475943bc935bb29cc2784be8/FLAG3efa8a2df [2021-10-11 02:31:06,233 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6632ff-15da-49fc-80b5-eb832046427d/bin/utaipan-WLngWcDbfI/data/dd4f3acd3/21bbf347475943bc935bb29cc2784be8 [2021-10-11 02:31:06,236 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:31:06,239 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:31:06,241 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:31:06,241 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:31:06,245 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:31:06,247 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:31:06" (1/1) ... [2021-10-11 02:31:06,249 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d020bf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:06, skipping insertion in model container [2021-10-11 02:31:06,250 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:31:06" (1/1) ... [2021-10-11 02:31:06,257 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:31:06,318 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:31:06,721 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:31:06,738 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:31:06,745 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:31:06,790 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:31:06,798 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:31:06,845 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:31:06,942 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:31:06,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:06 WrapperNode [2021-10-11 02:31:06,943 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:31:06,944 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:31:06,944 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:31:06,945 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:31:06,952 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:06" (1/1) ... [2021-10-11 02:31:06,974 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:06" (1/1) ... [2021-10-11 02:31:06,992 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:31:06,993 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:31:06,993 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:31:06,993 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:31:07,002 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:06" (1/1) ... [2021-10-11 02:31:07,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:06" (1/1) ... [2021-10-11 02:31:07,010 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:06" (1/1) ... [2021-10-11 02:31:07,011 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:06" (1/1) ... [2021-10-11 02:31:07,019 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:06" (1/1) ... [2021-10-11 02:31:07,028 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:06" (1/1) ... [2021-10-11 02:31:07,032 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:06" (1/1) ... [2021-10-11 02:31:07,035 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:31:07,041 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:31:07,041 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:31:07,041 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:31:07,042 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:06" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6632ff-15da-49fc-80b5-eb832046427d/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 02:31:07,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-11 02:31:07,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:31:07,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 02:31:07,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-11 02:31:07,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:31:07,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:31:07,517 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:31:07,517 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-10-11 02:31:07,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:31:07 BoogieIcfgContainer [2021-10-11 02:31:07,519 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:31:07,524 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:31:07,524 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:31:07,527 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:31:07,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:31:06" (1/3) ... [2021-10-11 02:31:07,528 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a5c4a1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:31:07, skipping insertion in model container [2021-10-11 02:31:07,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:06" (2/3) ... [2021-10-11 02:31:07,528 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a5c4a1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:31:07, skipping insertion in model container [2021-10-11 02:31:07,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:31:07" (3/3) ... [2021-10-11 02:31:07,530 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test9_1.i [2021-10-11 02:31:07,543 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:31:07,546 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2021-10-11 02:31:07,558 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-11 02:31:07,589 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:31:07,589 INFO L378 AbstractCegarLoop]: Hoare is false [2021-10-11 02:31:07,590 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:31:07,590 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:31:07,590 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:31:07,590 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:31:07,590 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:31:07,590 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:31:07,607 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2021-10-11 02:31:07,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-11 02:31:07,615 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:07,616 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:31:07,616 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE]=== [2021-10-11 02:31:07,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:07,622 INFO L82 PathProgramCache]: Analyzing trace with hash 1804965381, now seen corresponding path program 1 times [2021-10-11 02:31:07,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:07,635 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1363714232] [2021-10-11 02:31:07,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6632ff-15da-49fc-80b5-eb832046427d/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 02:31:07,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:07,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-11 02:31:07,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:07,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:31:07,879 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:07,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1363714232] [2021-10-11 02:31:07,880 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:07,881 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:31:07,881 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628071147] [2021-10-11 02:31:07,885 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:31:07,886 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:07,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:31:07,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:31:07,901 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 4 states. [2021-10-11 02:31:07,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:07,931 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2021-10-11 02:31:07,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:31:07,933 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2021-10-11 02:31:07,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:07,940 INFO L225 Difference]: With dead ends: 11 [2021-10-11 02:31:07,940 INFO L226 Difference]: Without dead ends: 9 [2021-10-11 02:31:07,942 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:31:07,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2021-10-11 02:31:07,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2021-10-11 02:31:07,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-10-11 02:31:07,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2021-10-11 02:31:07,968 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2021-10-11 02:31:07,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:07,969 INFO L481 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2021-10-11 02:31:07,969 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:31:07,969 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2021-10-11 02:31:07,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-11 02:31:07,970 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:07,970 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:31:08,183 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:31:08,184 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE]=== [2021-10-11 02:31:08,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:08,185 INFO L82 PathProgramCache]: Analyzing trace with hash 119360950, now seen corresponding path program 1 times [2021-10-11 02:31:08,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:08,187 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1360343419] [2021-10-11 02:31:08,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6632ff-15da-49fc-80b5-eb832046427d/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2021-10-11 02:31:08,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:31:08,248 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:31:08,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:31:08,267 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:31:08,290 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-11 02:31:08,290 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:31:08,499 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:31:08,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:31:08 BoogieIcfgContainer [2021-10-11 02:31:08,525 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:31:08,526 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:31:08,526 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:31:08,526 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:31:08,527 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:31:07" (3/4) ... [2021-10-11 02:31:08,530 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-11 02:31:08,530 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:31:08,532 INFO L168 Benchmark]: Toolchain (without parser) took 2292.06 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 62.5 MB in the beginning and 45.1 MB in the end (delta: 17.5 MB). Peak memory consumption was 34.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:08,533 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 77.6 MB. Free memory was 58.9 MB in the beginning and 58.8 MB in the end (delta: 66.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:31:08,536 INFO L168 Benchmark]: CACSL2BoogieTranslator took 702.37 ms. Allocated memory is still 77.6 MB. Free memory was 62.3 MB in the beginning and 55.0 MB in the end (delta: 7.4 MB). Peak memory consumption was 30.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:08,537 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.88 ms. Allocated memory is still 77.6 MB. Free memory was 55.0 MB in the beginning and 53.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:08,539 INFO L168 Benchmark]: Boogie Preprocessor took 47.34 ms. Allocated memory is still 77.6 MB. Free memory was 52.6 MB in the beginning and 51.6 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:31:08,544 INFO L168 Benchmark]: RCFGBuilder took 479.40 ms. Allocated memory is still 77.6 MB. Free memory was 51.6 MB in the beginning and 36.6 MB in the end (delta: 15.0 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:08,545 INFO L168 Benchmark]: TraceAbstraction took 1001.71 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 36.2 MB in the beginning and 45.6 MB in the end (delta: -9.4 MB). Peak memory consumption was 6.0 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:08,545 INFO L168 Benchmark]: Witness Printer took 4.73 ms. Allocated memory is still 94.4 MB. Free memory was 45.6 MB in the beginning and 45.1 MB in the end (delta: 566.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:08,548 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 77.6 MB. Free memory was 58.9 MB in the beginning and 58.8 MB in the end (delta: 66.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 702.37 ms. Allocated memory is still 77.6 MB. Free memory was 62.3 MB in the beginning and 55.0 MB in the end (delta: 7.4 MB). Peak memory consumption was 30.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 47.88 ms. Allocated memory is still 77.6 MB. Free memory was 55.0 MB in the beginning and 53.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 47.34 ms. Allocated memory is still 77.6 MB. Free memory was 52.6 MB in the beginning and 51.6 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 479.40 ms. Allocated memory is still 77.6 MB. Free memory was 51.6 MB in the beginning and 36.6 MB in the end (delta: 15.0 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1001.71 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 36.2 MB in the beginning and 45.6 MB in the end (delta: -9.4 MB). Peak memory consumption was 6.0 MB. Max. memory is 16.1 GB. * Witness Printer took 4.73 ms. Allocated memory is still 94.4 MB. Free memory was 45.6 MB in the beginning and 45.1 MB in the end (delta: 566.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 772]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 772. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L757] int *a9; VAL [a9={0:0}, ldv_global_msg_list={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] return - -3; VAL [a9={1:0}, ldv_global_msg_list={3:0}] [L766] int ret = probe_9_2(); [L767] COND FALSE !(ret==0) VAL [a9={1:0}, ldv_global_msg_list={3:0}] [L770] a9 = 0 VAL [a9={0:0}, ldv_global_msg_list={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 17 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 9 SDtfs, 11 SDslu, 7 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 72 SizeOfPredicates, 1 NumberOfNonLiveVariables, 36 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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...