./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.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_8e482ba1-20c6-455e-a32a-f2b59596b99c/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e482ba1-20c6-455e-a32a-f2b59596b99c/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_8e482ba1-20c6-455e-a32a-f2b59596b99c/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e482ba1-20c6-455e-a32a-f2b59596b99c/bin/utaipan-WLngWcDbfI/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e482ba1-20c6-455e-a32a-f2b59596b99c/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_8e482ba1-20c6-455e-a32a-f2b59596b99c/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 226a48892dbf15b4d04e739325fd096776cbff4d ............................................................................................................................................. 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_8e482ba1-20c6-455e-a32a-f2b59596b99c/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e482ba1-20c6-455e-a32a-f2b59596b99c/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_8e482ba1-20c6-455e-a32a-f2b59596b99c/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e482ba1-20c6-455e-a32a-f2b59596b99c/bin/utaipan-WLngWcDbfI/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e482ba1-20c6-455e-a32a-f2b59596b99c/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_8e482ba1-20c6-455e-a32a-f2b59596b99c/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 226a48892dbf15b4d04e739325fd096776cbff4d ...................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free) --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:27:41,056 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:27:41,059 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:27:41,107 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:27:41,107 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:27:41,112 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:27:41,115 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:27:41,119 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:27:41,121 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:27:41,127 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:27:41,129 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:27:41,130 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:27:41,130 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:27:41,133 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:27:41,135 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:27:41,137 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:27:41,139 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:27:41,142 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:27:41,145 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:27:41,152 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:27:41,155 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:27:41,157 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:27:41,160 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:27:41,161 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:27:41,169 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:27:41,170 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:27:41,170 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:27:41,172 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:27:41,173 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:27:41,174 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:27:41,175 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:27:41,176 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:27:41,178 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:27:41,179 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:27:41,180 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:27:41,180 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:27:41,181 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:27:41,181 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:27:41,181 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:27:41,182 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:27:41,183 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:27:41,184 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e482ba1-20c6-455e-a32a-f2b59596b99c/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-10-11 02:27:41,224 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:27:41,224 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:27:41,226 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:27:41,226 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:27:41,226 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:27:41,233 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:27:41,233 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:27:41,233 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:27:41,234 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:27:41,234 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:27:41,235 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:27:41,235 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:27:41,236 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:27:41,236 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:27:41,236 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:27:41,237 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 02:27:41,237 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 02:27:41,237 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:27:41,237 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:27:41,238 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 02:27:41,238 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:27:41,238 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:27:41,238 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:27:41,239 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-11 02:27:41,239 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-11 02:27:41,239 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-11 02:27:41,239 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:27:41,239 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:27:41,240 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:27:41,240 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:27:41,240 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:27:41,241 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:27:41,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:27:41,241 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:27:41,241 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:27:41,241 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:27:41,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:27:41,242 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:27:41,242 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:27:41,242 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_8e482ba1-20c6-455e-a32a-f2b59596b99c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e482ba1-20c6-455e-a32a-f2b59596b99c/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 226a48892dbf15b4d04e739325fd096776cbff4d [2021-10-11 02:27:41,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:27:41,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:27:41,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:27:41,565 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:27:41,566 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:27:41,567 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e482ba1-20c6-455e-a32a-f2b59596b99c/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i [2021-10-11 02:27:41,642 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e482ba1-20c6-455e-a32a-f2b59596b99c/bin/utaipan-WLngWcDbfI/data/d4ee242c3/f3a305777b0744fda90172ee7ab74ff8/FLAG91b281d37 [2021-10-11 02:27:42,170 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:27:42,170 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e482ba1-20c6-455e-a32a-f2b59596b99c/sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i [2021-10-11 02:27:42,201 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e482ba1-20c6-455e-a32a-f2b59596b99c/bin/utaipan-WLngWcDbfI/data/d4ee242c3/f3a305777b0744fda90172ee7ab74ff8/FLAG91b281d37 [2021-10-11 02:27:42,469 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e482ba1-20c6-455e-a32a-f2b59596b99c/bin/utaipan-WLngWcDbfI/data/d4ee242c3/f3a305777b0744fda90172ee7ab74ff8 [2021-10-11 02:27:42,472 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:27:42,473 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:27:42,475 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:27:42,475 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:27:42,483 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:27:42,484 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:27:42" (1/1) ... [2021-10-11 02:27:42,485 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6128c985 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:42, skipping insertion in model container [2021-10-11 02:27:42,485 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:27:42" (1/1) ... [2021-10-11 02:27:42,493 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:27:42,564 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:27:43,068 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:27:43,085 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-11 02:27:43,085 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6a8bd30d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:43, skipping insertion in model container [2021-10-11 02:27:43,085 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:27:43,086 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:27:43,088 INFO L168 Benchmark]: Toolchain (without parser) took 613.45 ms. Allocated memory is still 92.3 MB. Free memory was 70.6 MB in the beginning and 64.1 MB in the end (delta: 6.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:43,089 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 92.3 MB. Free memory was 67.6 MB in the beginning and 67.6 MB in the end (delta: 77.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:27:43,090 INFO L168 Benchmark]: CACSL2BoogieTranslator took 611.03 ms. Allocated memory is still 92.3 MB. Free memory was 70.3 MB in the beginning and 64.4 MB in the end (delta: 5.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:43,092 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 92.3 MB. Free memory was 67.6 MB in the beginning and 67.6 MB in the end (delta: 77.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 611.03 ms. Allocated memory is still 92.3 MB. Free memory was 70.3 MB in the beginning and 64.4 MB in the end (delta: 5.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 577]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:27:45,360 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:27:45,362 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:27:45,397 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:27:45,397 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:27:45,399 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:27:45,400 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:27:45,403 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:27:45,405 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:27:45,407 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:27:45,408 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:27:45,409 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:27:45,410 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:27:45,411 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:27:45,412 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:27:45,414 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:27:45,415 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:27:45,416 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:27:45,418 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:27:45,421 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:27:45,423 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:27:45,424 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:27:45,426 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:27:45,427 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:27:45,430 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:27:45,431 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:27:45,431 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:27:45,432 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:27:45,433 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:27:45,434 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:27:45,435 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:27:45,436 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:27:45,436 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:27:45,437 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:27:45,439 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:27:45,439 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:27:45,440 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:27:45,440 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:27:45,441 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:27:45,442 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:27:45,443 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:27:45,444 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e482ba1-20c6-455e-a32a-f2b59596b99c/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-10-11 02:27:45,471 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:27:45,471 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:27:45,472 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:27:45,472 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:27:45,472 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:27:45,472 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:27:45,473 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:27:45,473 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:27:45,473 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:27:45,474 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 02:27:45,474 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 02:27:45,474 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:27:45,475 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:27:45,475 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 02:27:45,475 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:27:45,475 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:27:45,475 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:27:45,476 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-11 02:27:45,476 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-11 02:27:45,476 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-11 02:27:45,476 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:27:45,476 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:27:45,477 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:27:45,477 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:27:45,477 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:27:45,477 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:27:45,477 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:27:45,478 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:27:45,478 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:27:45,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:27:45,478 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:27:45,479 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:27:45,479 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:27:45,479 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:27:45,479 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:27:45,479 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:27:45,480 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_8e482ba1-20c6-455e-a32a-f2b59596b99c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e482ba1-20c6-455e-a32a-f2b59596b99c/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 226a48892dbf15b4d04e739325fd096776cbff4d [2021-10-11 02:27:45,862 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:27:45,899 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:27:45,904 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:27:45,905 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:27:45,906 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:27:45,907 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e482ba1-20c6-455e-a32a-f2b59596b99c/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i [2021-10-11 02:27:45,997 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e482ba1-20c6-455e-a32a-f2b59596b99c/bin/utaipan-WLngWcDbfI/data/dbdfc10eb/9323c4266470475ea3b9c7e433505267/FLAG3b0e8c5e6 [2021-10-11 02:27:46,660 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:27:46,661 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e482ba1-20c6-455e-a32a-f2b59596b99c/sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i [2021-10-11 02:27:46,686 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e482ba1-20c6-455e-a32a-f2b59596b99c/bin/utaipan-WLngWcDbfI/data/dbdfc10eb/9323c4266470475ea3b9c7e433505267/FLAG3b0e8c5e6 [2021-10-11 02:27:46,925 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e482ba1-20c6-455e-a32a-f2b59596b99c/bin/utaipan-WLngWcDbfI/data/dbdfc10eb/9323c4266470475ea3b9c7e433505267 [2021-10-11 02:27:46,927 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:27:46,929 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:27:46,936 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:27:46,937 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:27:46,941 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:27:46,943 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:27:46" (1/1) ... [2021-10-11 02:27:46,951 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6976a09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:46, skipping insertion in model container [2021-10-11 02:27:46,951 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:27:46" (1/1) ... [2021-10-11 02:27:46,959 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:27:47,021 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:27:47,505 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:27:47,531 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:27:47,553 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:27:47,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:27:47,651 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:27:47,720 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:27:47,817 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:27:47,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:47 WrapperNode [2021-10-11 02:27:47,818 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:27:47,819 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:27:47,819 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:27:47,819 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:27:47,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:47" (1/1) ... [2021-10-11 02:27:47,850 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:47" (1/1) ... [2021-10-11 02:27:47,868 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:27:47,869 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:27:47,869 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:27:47,869 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:27:47,879 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:47" (1/1) ... [2021-10-11 02:27:47,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:47" (1/1) ... [2021-10-11 02:27:47,882 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:47" (1/1) ... [2021-10-11 02:27:47,882 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:47" (1/1) ... [2021-10-11 02:27:47,888 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:47" (1/1) ... [2021-10-11 02:27:47,890 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:47" (1/1) ... [2021-10-11 02:27:47,891 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:47" (1/1) ... [2021-10-11 02:27:47,894 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:27:47,895 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:27:47,895 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:27:47,895 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:27:47,896 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:47" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e482ba1-20c6-455e-a32a-f2b59596b99c/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:27:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:27:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 02:27:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-11 02:27:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:27:47,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:27:48,287 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:27:48,287 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-11 02:27:48,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:27:48 BoogieIcfgContainer [2021-10-11 02:27:48,289 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:27:48,290 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:27:48,290 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:27:48,293 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:27:48,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:27:46" (1/3) ... [2021-10-11 02:27:48,294 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11fac0b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:27:48, skipping insertion in model container [2021-10-11 02:27:48,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:47" (2/3) ... [2021-10-11 02:27:48,294 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11fac0b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:27:48, skipping insertion in model container [2021-10-11 02:27:48,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:27:48" (3/3) ... [2021-10-11 02:27:48,296 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test3-1.i [2021-10-11 02:27:48,325 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:27:48,328 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2021-10-11 02:27:48,355 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-11 02:27:48,374 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:27:48,374 INFO L378 AbstractCegarLoop]: Hoare is false [2021-10-11 02:27:48,375 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:27:48,375 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:27:48,375 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:27:48,375 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:27:48,375 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:27:48,375 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:27:48,403 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2021-10-11 02:27:48,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-11 02:27:48,409 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:27:48,435 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-11 02:27:48,435 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE]=== [2021-10-11 02:27:48,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:27:48,441 INFO L82 PathProgramCache]: Analyzing trace with hash 28692802, now seen corresponding path program 1 times [2021-10-11 02:27:48,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:27:48,457 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1813235668] [2021-10-11 02:27:48,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e482ba1-20c6-455e-a32a-f2b59596b99c/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2021-10-11 02:27:48,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:27:48,567 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:27:48,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:27:48,596 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:27:48,621 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-11 02:27:48,621 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:27:48,838 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:27:48,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:27:48 BoogieIcfgContainer [2021-10-11 02:27:48,871 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:27:48,872 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:27:48,872 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:27:48,872 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:27:48,873 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:27:48" (3/4) ... [2021-10-11 02:27:48,874 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-11 02:27:48,913 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e482ba1-20c6-455e-a32a-f2b59596b99c/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:27:48,913 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:27:48,920 INFO L168 Benchmark]: Toolchain (without parser) took 1985.93 ms. Allocated memory was 52.4 MB in the beginning and 71.3 MB in the end (delta: 18.9 MB). Free memory was 27.7 MB in the beginning and 41.7 MB in the end (delta: -14.1 MB). Peak memory consumption was 4.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:48,921 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 52.4 MB. Free memory was 34.3 MB in the beginning and 34.2 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:27:48,923 INFO L168 Benchmark]: CACSL2BoogieTranslator took 882.09 ms. Allocated memory was 52.4 MB in the beginning and 71.3 MB in the end (delta: 18.9 MB). Free memory was 27.4 MB in the beginning and 37.5 MB in the end (delta: -10.1 MB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:48,923 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.23 ms. Allocated memory is still 71.3 MB. Free memory was 37.5 MB in the beginning and 35.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:48,924 INFO L168 Benchmark]: Boogie Preprocessor took 25.25 ms. Allocated memory is still 71.3 MB. Free memory was 35.4 MB in the beginning and 34.4 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:27:48,926 INFO L168 Benchmark]: RCFGBuilder took 393.65 ms. Allocated memory is still 71.3 MB. Free memory was 34.1 MB in the beginning and 41.2 MB in the end (delta: -7.1 MB). Peak memory consumption was 2.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:48,927 INFO L168 Benchmark]: TraceAbstraction took 581.19 ms. Allocated memory is still 71.3 MB. Free memory was 41.0 MB in the beginning and 43.3 MB in the end (delta: -2.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:27:48,927 INFO L168 Benchmark]: Witness Printer took 41.79 ms. Allocated memory is still 71.3 MB. Free memory was 43.3 MB in the beginning and 41.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:48,933 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 52.4 MB. Free memory was 34.3 MB in the beginning and 34.2 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 882.09 ms. Allocated memory was 52.4 MB in the beginning and 71.3 MB in the end (delta: 18.9 MB). Free memory was 27.4 MB in the beginning and 37.5 MB in the end (delta: -10.1 MB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 49.23 ms. Allocated memory is still 71.3 MB. Free memory was 37.5 MB in the beginning and 35.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 25.25 ms. Allocated memory is still 71.3 MB. Free memory was 35.4 MB in the beginning and 34.4 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 393.65 ms. Allocated memory is still 71.3 MB. Free memory was 34.1 MB in the beginning and 41.2 MB in the end (delta: -7.1 MB). Peak memory consumption was 2.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 581.19 ms. Allocated memory is still 71.3 MB. Free memory was 41.0 MB in the beginning and 43.3 MB in the end (delta: -2.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 41.79 ms. Allocated memory is still 71.3 MB. Free memory was 43.3 MB in the beginning and 41.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 763]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L570] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [ldv_global_msg_list={3:0}] [L759] return (int *)__VERIFIER_nondet_ulong(); [L762] int *p = h_unsafe(); [L763] COND TRUE \read(*p) VAL [ldv_global_msg_list={3:0}] [L763] free(p) VAL [ldv_global_msg_list={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 14 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred 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, 5 NumberOfCodeBlocks, 5 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 proved your program to be incorrect! Received shutdown request...