./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d756b7de-711f-4d0b-8c87-0de366ab7d45/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d756b7de-711f-4d0b-8c87-0de366ab7d45/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d756b7de-711f-4d0b-8c87-0de366ab7d45/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d756b7de-711f-4d0b-8c87-0de366ab7d45/bin/utaipan-UUZaoUuFF8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d756b7de-711f-4d0b-8c87-0de366ab7d45/bin/utaipan-UUZaoUuFF8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d756b7de-711f-4d0b-8c87-0de366ab7d45/bin/utaipan-UUZaoUuFF8 --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 26c43b0aadda992ac661443360ccdcdee8e428835f1c1ebcc9d46e3a7ce26fc5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:12:21,143 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:12:21,145 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:12:21,178 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:12:21,179 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:12:21,181 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:12:21,182 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:12:21,185 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:12:21,187 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:12:21,188 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:12:21,189 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:12:21,191 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:12:21,192 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:12:21,193 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:12:21,194 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:12:21,196 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:12:21,197 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:12:21,198 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:12:21,201 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:12:21,204 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:12:21,206 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:12:21,208 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:12:21,209 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:12:21,210 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:12:21,214 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:12:21,214 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:12:21,215 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:12:21,216 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:12:21,216 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:12:21,217 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:12:21,218 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:12:21,219 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:12:21,220 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:12:21,221 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:12:21,222 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:12:21,223 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:12:21,223 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:12:21,224 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:12:21,224 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:12:21,225 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:12:21,226 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:12:21,227 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d756b7de-711f-4d0b-8c87-0de366ab7d45/bin/utaipan-UUZaoUuFF8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-11-07 02:12:21,254 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:12:21,255 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:12:21,256 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:12:21,256 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:12:21,256 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:12:21,256 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:12:21,257 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 02:12:21,257 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:12:21,257 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:12:21,258 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 02:12:21,258 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 02:12:21,258 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:12:21,259 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 02:12:21,259 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 02:12:21,259 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 02:12:21,260 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 02:12:21,260 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 02:12:21,261 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:12:21,261 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 02:12:21,261 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 02:12:21,261 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 02:12:21,262 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 02:12:21,262 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:12:21,262 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-07 02:12:21,262 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-07 02:12:21,263 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-07 02:12:21,263 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:12:21,263 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 02:12:21,264 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 02:12:21,264 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:12:21,264 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:12:21,264 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:12:21,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:12:21,265 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:12:21,265 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:12:21,266 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 02:12:21,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 02:12:21,266 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:12:21,266 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:12:21,267 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_d756b7de-711f-4d0b-8c87-0de366ab7d45/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d756b7de-711f-4d0b-8c87-0de366ab7d45/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26c43b0aadda992ac661443360ccdcdee8e428835f1c1ebcc9d46e3a7ce26fc5 [2021-11-07 02:12:21,556 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:12:21,582 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:12:21,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:12:21,588 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:12:21,589 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:12:21,590 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d756b7de-711f-4d0b-8c87-0de366ab7d45/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i [2021-11-07 02:12:21,680 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d756b7de-711f-4d0b-8c87-0de366ab7d45/bin/utaipan-UUZaoUuFF8/data/d99890b96/85e5f6fa1df94a1183a33a31aa503e1c/FLAGa611ce5c8 [2021-11-07 02:12:22,219 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:12:22,220 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d756b7de-711f-4d0b-8c87-0de366ab7d45/sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i [2021-11-07 02:12:22,257 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d756b7de-711f-4d0b-8c87-0de366ab7d45/bin/utaipan-UUZaoUuFF8/data/d99890b96/85e5f6fa1df94a1183a33a31aa503e1c/FLAGa611ce5c8 [2021-11-07 02:12:22,540 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d756b7de-711f-4d0b-8c87-0de366ab7d45/bin/utaipan-UUZaoUuFF8/data/d99890b96/85e5f6fa1df94a1183a33a31aa503e1c [2021-11-07 02:12:22,542 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:12:22,543 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:12:22,545 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:12:22,545 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:12:22,548 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:12:22,549 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:12:22" (1/1) ... [2021-11-07 02:12:22,550 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33750893 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:12:22, skipping insertion in model container [2021-11-07 02:12:22,550 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:12:22" (1/1) ... [2021-11-07 02:12:22,557 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:12:22,611 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:12:23,045 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:12:23,068 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) [2021-11-07 02:12:23,069 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@d66c155 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:12:23, skipping insertion in model container [2021-11-07 02:12:23,069 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:12:23,070 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 02:12:23,073 INFO L168 Benchmark]: Toolchain (without parser) took 527.34 ms. Allocated memory was 88.1 MB in the beginning and 113.2 MB in the end (delta: 25.2 MB). Free memory was 48.6 MB in the beginning and 85.3 MB in the end (delta: -36.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. [2021-11-07 02:12:23,075 INFO L168 Benchmark]: CDTParser took 0.98 ms. Allocated memory is still 88.1 MB. Free memory is still 66.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 02:12:23,077 INFO L168 Benchmark]: CACSL2BoogieTranslator took 524.79 ms. Allocated memory was 88.1 MB in the beginning and 113.2 MB in the end (delta: 25.2 MB). Free memory was 48.4 MB in the beginning and 85.3 MB in the end (delta: -36.9 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. [2021-11-07 02:12:23,079 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.98 ms. Allocated memory is still 88.1 MB. Free memory is still 66.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 524.79 ms. Allocated memory was 88.1 MB in the beginning and 113.2 MB in the end (delta: 25.2 MB). Free memory was 48.4 MB in the beginning and 85.3 MB in the end (delta: -36.9 MB). Peak memory consumption was 8.7 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d756b7de-711f-4d0b-8c87-0de366ab7d45/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d756b7de-711f-4d0b-8c87-0de366ab7d45/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d756b7de-711f-4d0b-8c87-0de366ab7d45/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d756b7de-711f-4d0b-8c87-0de366ab7d45/bin/utaipan-UUZaoUuFF8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d756b7de-711f-4d0b-8c87-0de366ab7d45/bin/utaipan-UUZaoUuFF8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d756b7de-711f-4d0b-8c87-0de366ab7d45/bin/utaipan-UUZaoUuFF8 --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 26c43b0aadda992ac661443360ccdcdee8e428835f1c1ebcc9d46e3a7ce26fc5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:12:25,545 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:12:25,548 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:12:25,601 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:12:25,602 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:12:25,606 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:12:25,608 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:12:25,612 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:12:25,616 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:12:25,624 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:12:25,625 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:12:25,627 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:12:25,628 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:12:25,630 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:12:25,632 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:12:25,635 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:12:25,638 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:12:25,640 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:12:25,642 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:12:25,650 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:12:25,655 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:12:25,658 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:12:25,662 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:12:25,664 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:12:25,674 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:12:25,675 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:12:25,675 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:12:25,678 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:12:25,678 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:12:25,679 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:12:25,680 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:12:25,681 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:12:25,683 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:12:25,684 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:12:25,685 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:12:25,686 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:12:25,686 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:12:25,687 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:12:25,687 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:12:25,689 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:12:25,690 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:12:25,691 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d756b7de-711f-4d0b-8c87-0de366ab7d45/bin/utaipan-UUZaoUuFF8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-11-07 02:12:25,738 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:12:25,738 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:12:25,740 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:12:25,740 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:12:25,740 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:12:25,741 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:12:25,741 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:12:25,741 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:12:25,741 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:12:25,743 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 02:12:25,744 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 02:12:25,745 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:12:25,745 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 02:12:25,745 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 02:12:25,746 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 02:12:25,746 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 02:12:25,746 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:12:25,746 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-07 02:12:25,746 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-07 02:12:25,747 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-07 02:12:25,747 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:12:25,747 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 02:12:25,747 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 02:12:25,748 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 02:12:25,748 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 02:12:25,748 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:12:25,748 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:12:25,749 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 02:12:25,749 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:12:25,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:12:25,749 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:12:25,750 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:12:25,750 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 02:12:25,751 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 02:12:25,751 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:12:25,751 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:12:25,751 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_d756b7de-711f-4d0b-8c87-0de366ab7d45/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d756b7de-711f-4d0b-8c87-0de366ab7d45/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26c43b0aadda992ac661443360ccdcdee8e428835f1c1ebcc9d46e3a7ce26fc5 [2021-11-07 02:12:26,140 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:12:26,161 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:12:26,164 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:12:26,165 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:12:26,166 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:12:26,167 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d756b7de-711f-4d0b-8c87-0de366ab7d45/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i [2021-11-07 02:12:26,257 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d756b7de-711f-4d0b-8c87-0de366ab7d45/bin/utaipan-UUZaoUuFF8/data/366f243d5/5365ed893f9d4b029c308740b825cfe5/FLAG591ecb75b [2021-11-07 02:12:26,794 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:12:26,794 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d756b7de-711f-4d0b-8c87-0de366ab7d45/sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i [2021-11-07 02:12:26,812 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d756b7de-711f-4d0b-8c87-0de366ab7d45/bin/utaipan-UUZaoUuFF8/data/366f243d5/5365ed893f9d4b029c308740b825cfe5/FLAG591ecb75b [2021-11-07 02:12:27,092 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d756b7de-711f-4d0b-8c87-0de366ab7d45/bin/utaipan-UUZaoUuFF8/data/366f243d5/5365ed893f9d4b029c308740b825cfe5 [2021-11-07 02:12:27,095 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:12:27,096 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:12:27,102 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:12:27,102 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:12:27,106 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:12:27,106 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:12:27" (1/1) ... [2021-11-07 02:12:27,108 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@171cdab9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:12:27, skipping insertion in model container [2021-11-07 02:12:27,109 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:12:27" (1/1) ... [2021-11-07 02:12:27,117 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:12:27,178 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:12:27,582 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:12:27,600 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 02:12:27,610 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:12:27,713 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:12:27,725 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 02:12:27,805 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:12:27,852 INFO L208 MainTranslator]: Completed translation [2021-11-07 02:12:27,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:12:27 WrapperNode [2021-11-07 02:12:27,852 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:12:27,854 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 02:12:27,854 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 02:12:27,854 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 02:12:27,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:12:27" (1/1) ... [2021-11-07 02:12:27,900 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:12:27" (1/1) ... [2021-11-07 02:12:27,920 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 02:12:27,920 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 02:12:27,924 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 02:12:27,925 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 02:12:27,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:12:27" (1/1) ... [2021-11-07 02:12:27,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:12:27" (1/1) ... [2021-11-07 02:12:27,943 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:12:27" (1/1) ... [2021-11-07 02:12:27,945 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:12:27" (1/1) ... [2021-11-07 02:12:27,959 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:12:27" (1/1) ... [2021-11-07 02:12:27,967 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:12:27" (1/1) ... [2021-11-07 02:12:27,973 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:12:27" (1/1) ... [2021-11-07 02:12:27,980 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 02:12:27,983 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 02:12:27,983 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 02:12:27,983 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 02:12:27,984 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:12:27" (1/1) ... [2021-11-07 02:12:27,991 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:12:28,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d756b7de-711f-4d0b-8c87-0de366ab7d45/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:12:28,014 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d756b7de-711f-4d0b-8c87-0de366ab7d45/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 02:12:28,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d756b7de-711f-4d0b-8c87-0de366ab7d45/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 02:12:28,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 02:12:28,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 02:12:28,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 02:12:28,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 02:12:28,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 02:12:28,327 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 02:12:28,327 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-11-07 02:12:28,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:12:28 BoogieIcfgContainer [2021-11-07 02:12:28,329 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 02:12:28,331 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 02:12:28,331 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 02:12:28,334 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 02:12:28,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:12:27" (1/3) ... [2021-11-07 02:12:28,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55036cdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:12:28, skipping insertion in model container [2021-11-07 02:12:28,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:12:27" (2/3) ... [2021-11-07 02:12:28,336 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55036cdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:12:28, skipping insertion in model container [2021-11-07 02:12:28,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:12:28" (3/3) ... [2021-11-07 02:12:28,337 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test20-1.i [2021-11-07 02:12:28,342 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 02:12:28,343 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 02:12:28,387 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 02:12:28,393 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 02:12:28,394 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-07 02:12:28,417 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:12:28,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-07 02:12:28,423 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:12:28,424 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:12:28,427 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-11-07 02:12:28,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:12:28,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1804966440, now seen corresponding path program 1 times [2021-11-07 02:12:28,453 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:12:28,455 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [968790549] [2021-11-07 02:12:28,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:12:28,456 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:12:28,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d756b7de-711f-4d0b-8c87-0de366ab7d45/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:12:28,465 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d756b7de-711f-4d0b-8c87-0de366ab7d45/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:12:28,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d756b7de-711f-4d0b-8c87-0de366ab7d45/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 02:12:28,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 02:12:28,587 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 02:12:28,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 02:12:28,684 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-11-07 02:12:28,686 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-07 02:12:28,687 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 02:12:28,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d756b7de-711f-4d0b-8c87-0de366ab7d45/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-07 02:12:28,900 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d756b7de-711f-4d0b-8c87-0de366ab7d45/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:12:28,903 INFO L731 BasicCegarLoop]: Path program histogram: [1] [2021-11-07 02:12:28,906 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 02:12:28,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 02:12:28 BoogieIcfgContainer [2021-11-07 02:12:28,929 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 02:12:28,933 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 02:12:28,934 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 02:12:28,934 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 02:12:28,935 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:12:28" (3/4) ... [2021-11-07 02:12:28,938 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-07 02:12:28,939 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 02:12:28,944 INFO L168 Benchmark]: Toolchain (without parser) took 1844.22 ms. Allocated memory was 56.6 MB in the beginning and 75.5 MB in the end (delta: 18.9 MB). Free memory was 33.1 MB in the beginning and 54.5 MB in the end (delta: -21.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 02:12:28,944 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 56.6 MB. Free memory is still 38.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 02:12:28,948 INFO L168 Benchmark]: CACSL2BoogieTranslator took 751.01 ms. Allocated memory was 56.6 MB in the beginning and 75.5 MB in the end (delta: 18.9 MB). Free memory was 32.9 MB in the beginning and 41.4 MB in the end (delta: -8.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-07 02:12:28,952 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.20 ms. Allocated memory is still 75.5 MB. Free memory was 41.4 MB in the beginning and 39.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 02:12:28,953 INFO L168 Benchmark]: Boogie Preprocessor took 61.82 ms. Allocated memory is still 75.5 MB. Free memory was 39.1 MB in the beginning and 58.6 MB in the end (delta: -19.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. [2021-11-07 02:12:28,954 INFO L168 Benchmark]: RCFGBuilder took 346.18 ms. Allocated memory is still 75.5 MB. Free memory was 58.6 MB in the beginning and 48.7 MB in the end (delta: 9.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 02:12:28,955 INFO L168 Benchmark]: TraceAbstraction took 598.71 ms. Allocated memory is still 75.5 MB. Free memory was 48.1 MB in the beginning and 54.9 MB in the end (delta: -6.8 MB). Peak memory consumption was 12.4 MB. Max. memory is 16.1 GB. [2021-11-07 02:12:28,955 INFO L168 Benchmark]: Witness Printer took 6.23 ms. Allocated memory is still 75.5 MB. Free memory was 54.9 MB in the beginning and 54.5 MB in the end (delta: 329.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 02:12:28,965 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 56.6 MB. Free memory is still 38.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 751.01 ms. Allocated memory was 56.6 MB in the beginning and 75.5 MB in the end (delta: 18.9 MB). Free memory was 32.9 MB in the beginning and 41.4 MB in the end (delta: -8.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 66.20 ms. Allocated memory is still 75.5 MB. Free memory was 41.4 MB in the beginning and 39.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 61.82 ms. Allocated memory is still 75.5 MB. Free memory was 39.1 MB in the beginning and 58.6 MB in the end (delta: -19.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 346.18 ms. Allocated memory is still 75.5 MB. Free memory was 58.6 MB in the beginning and 48.7 MB in the end (delta: 9.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 598.71 ms. Allocated memory is still 75.5 MB. Free memory was 48.1 MB in the beginning and 54.9 MB in the end (delta: -6.8 MB). Peak memory consumption was 12.4 MB. Max. memory is 16.1 GB. * Witness Printer took 6.23 ms. Allocated memory is still 75.5 MB. Free memory was 54.9 MB in the beginning and 54.5 MB in the end (delta: 329.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 781]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 781. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L761] struct ldv_device *saved_device_20; VAL [ldv_global_msg_list={-2147483648:0}, saved_device_20={0:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L772] struct A20 *p = (struct A20*)ldv_malloc(sizeof(struct A20)); [L773] COND TRUE \read(*p) [L763] saved_device_20 = dev VAL [ldv_global_msg_list={-2147483648:0}, saved_device_20={1:4}] [L779] saved_device_20 = 0 VAL [ldv_global_msg_list={-2147483648:0}, saved_device_20={0:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-07 02:12:29,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d756b7de-711f-4d0b-8c87-0de366ab7d45/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample