./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dbbc629-9b2f-420f-98f8-bdef246ae9ff/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dbbc629-9b2f-420f-98f8-bdef246ae9ff/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dbbc629-9b2f-420f-98f8-bdef246ae9ff/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dbbc629-9b2f-420f-98f8-bdef246ae9ff/bin/utaipan-7li7fVZpFI/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dbbc629-9b2f-420f-98f8-bdef246ae9ff/bin/utaipan-7li7fVZpFI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dbbc629-9b2f-420f-98f8-bdef246ae9ff/bin/utaipan-7li7fVZpFI --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 2fa2b78c59a6ef1020e917d8e9f22559c73fded7539fba1972d62f2dc7aaeead --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 04:05:49,045 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 04:05:49,048 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 04:05:49,085 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 04:05:49,085 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 04:05:49,089 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 04:05:49,093 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 04:05:49,097 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 04:05:49,099 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 04:05:49,105 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 04:05:49,107 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 04:05:49,110 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 04:05:49,110 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 04:05:49,113 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 04:05:49,115 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 04:05:49,117 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 04:05:49,119 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 04:05:49,120 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 04:05:49,122 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 04:05:49,131 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 04:05:49,133 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 04:05:49,134 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 04:05:49,138 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 04:05:49,139 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 04:05:49,148 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 04:05:49,148 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 04:05:49,148 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 04:05:49,150 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 04:05:49,151 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 04:05:49,152 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 04:05:49,153 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 04:05:49,154 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 04:05:49,157 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 04:05:49,158 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 04:05:49,159 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 04:05:49,160 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 04:05:49,160 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 04:05:49,161 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 04:05:49,161 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 04:05:49,162 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 04:05:49,163 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 04:05:49,163 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dbbc629-9b2f-420f-98f8-bdef246ae9ff/bin/utaipan-7li7fVZpFI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2022-11-03 04:05:49,209 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 04:05:49,209 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 04:05:49,210 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 04:05:49,210 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 04:05:49,211 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 04:05:49,211 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 04:05:49,211 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 04:05:49,211 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 04:05:49,212 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 04:05:49,212 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 04:05:49,213 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 04:05:49,213 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 04:05:49,214 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 04:05:49,214 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 04:05:49,214 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 04:05:49,214 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 04:05:49,215 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 04:05:49,215 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 04:05:49,215 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-03 04:05:49,216 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-03 04:05:49,216 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 04:05:49,216 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 04:05:49,216 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 04:05:49,217 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 04:05:49,217 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 04:05:49,217 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 04:05:49,217 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-03 04:05:49,218 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-03 04:05:49,218 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-03 04:05:49,218 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 04:05:49,218 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-03 04:05:49,219 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 04:05:49,219 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 04:05:49,219 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 04:05:49,219 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 04:05:49,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 04:05:49,220 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 04:05:49,220 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 04:05:49,220 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 04:05:49,221 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 04:05:49,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 04:05:49,221 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 04:05:49,221 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_8dbbc629-9b2f-420f-98f8-bdef246ae9ff/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dbbc629-9b2f-420f-98f8-bdef246ae9ff/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2fa2b78c59a6ef1020e917d8e9f22559c73fded7539fba1972d62f2dc7aaeead [2022-11-03 04:05:49,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 04:05:49,579 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 04:05:49,589 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 04:05:49,591 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 04:05:49,592 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 04:05:49,593 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dbbc629-9b2f-420f-98f8-bdef246ae9ff/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i [2022-11-03 04:05:49,674 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dbbc629-9b2f-420f-98f8-bdef246ae9ff/bin/utaipan-7li7fVZpFI/data/5b900ee8c/0be2357bccb849a4885670b536f66f27/FLAGddbd1b0da [2022-11-03 04:05:50,385 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 04:05:50,386 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dbbc629-9b2f-420f-98f8-bdef246ae9ff/sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i [2022-11-03 04:05:50,401 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dbbc629-9b2f-420f-98f8-bdef246ae9ff/bin/utaipan-7li7fVZpFI/data/5b900ee8c/0be2357bccb849a4885670b536f66f27/FLAGddbd1b0da [2022-11-03 04:05:50,642 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dbbc629-9b2f-420f-98f8-bdef246ae9ff/bin/utaipan-7li7fVZpFI/data/5b900ee8c/0be2357bccb849a4885670b536f66f27 [2022-11-03 04:05:50,645 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 04:05:50,646 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 04:05:50,648 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 04:05:50,649 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 04:05:50,653 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 04:05:50,654 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:05:50" (1/1) ... [2022-11-03 04:05:50,655 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@259606c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:05:50, skipping insertion in model container [2022-11-03 04:05:50,655 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:05:50" (1/1) ... [2022-11-03 04:05:50,663 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 04:05:50,704 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 04:05:51,163 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 04:05:51,190 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2022-11-03 04:05:51,191 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@15af548b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:05:51, skipping insertion in model container [2022-11-03 04:05:51,191 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 04:05:51,192 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-03 04:05:51,195 INFO L158 Benchmark]: Toolchain (without parser) took 546.83ms. Allocated memory is still 107.0MB. Free memory was 70.8MB in the beginning and 80.7MB in the end (delta: -9.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-03 04:05:51,197 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 107.0MB. Free memory was 89.0MB in the beginning and 88.9MB in the end (delta: 115.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 04:05:51,198 INFO L158 Benchmark]: CACSL2BoogieTranslator took 543.20ms. Allocated memory is still 107.0MB. Free memory was 70.7MB in the beginning and 80.7MB in the end (delta: -10.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-03 04:05:51,201 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 107.0MB. Free memory was 89.0MB in the beginning and 88.9MB in the end (delta: 115.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 543.20ms. Allocated memory is still 107.0MB. Free memory was 70.7MB in the beginning and 80.7MB in the end (delta: -10.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types of different sizes 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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dbbc629-9b2f-420f-98f8-bdef246ae9ff/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dbbc629-9b2f-420f-98f8-bdef246ae9ff/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dbbc629-9b2f-420f-98f8-bdef246ae9ff/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dbbc629-9b2f-420f-98f8-bdef246ae9ff/bin/utaipan-7li7fVZpFI/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dbbc629-9b2f-420f-98f8-bdef246ae9ff/bin/utaipan-7li7fVZpFI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dbbc629-9b2f-420f-98f8-bdef246ae9ff/bin/utaipan-7li7fVZpFI --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 2fa2b78c59a6ef1020e917d8e9f22559c73fded7539fba1972d62f2dc7aaeead --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 04:05:53,448 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 04:05:53,450 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 04:05:53,496 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 04:05:53,497 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 04:05:53,501 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 04:05:53,503 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 04:05:53,508 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 04:05:53,513 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 04:05:53,521 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 04:05:53,522 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 04:05:53,523 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 04:05:53,524 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 04:05:53,525 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 04:05:53,526 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 04:05:53,527 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 04:05:53,527 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 04:05:53,528 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 04:05:53,530 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 04:05:53,531 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 04:05:53,533 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 04:05:53,534 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 04:05:53,535 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 04:05:53,536 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 04:05:53,539 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 04:05:53,539 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 04:05:53,540 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 04:05:53,541 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 04:05:53,541 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 04:05:53,542 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 04:05:53,542 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 04:05:53,543 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 04:05:53,544 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 04:05:53,545 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 04:05:53,546 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 04:05:53,546 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 04:05:53,547 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 04:05:53,547 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 04:05:53,547 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 04:05:53,548 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 04:05:53,549 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 04:05:53,553 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dbbc629-9b2f-420f-98f8-bdef246ae9ff/bin/utaipan-7li7fVZpFI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2022-11-03 04:05:53,595 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 04:05:53,596 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 04:05:53,598 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 04:05:53,598 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 04:05:53,599 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 04:05:53,600 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 04:05:53,600 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 04:05:53,600 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 04:05:53,600 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 04:05:53,601 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 04:05:53,602 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 04:05:53,602 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 04:05:53,604 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-03 04:05:53,604 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-03 04:05:53,604 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 04:05:53,605 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 04:05:53,605 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 04:05:53,605 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 04:05:53,605 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 04:05:53,605 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 04:05:53,606 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-03 04:05:53,606 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-03 04:05:53,606 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-03 04:05:53,606 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 04:05:53,607 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-03 04:05:53,607 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-03 04:05:53,607 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-03 04:05:53,607 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 04:05:53,607 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 04:05:53,608 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 04:05:53,608 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-03 04:05:53,608 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 04:05:53,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 04:05:53,609 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 04:05:53,609 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 04:05:53,610 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-03 04:05:53,610 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-03 04:05:53,610 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 04:05:53,610 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-03 04:05:53,611 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_8dbbc629-9b2f-420f-98f8-bdef246ae9ff/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dbbc629-9b2f-420f-98f8-bdef246ae9ff/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2fa2b78c59a6ef1020e917d8e9f22559c73fded7539fba1972d62f2dc7aaeead [2022-11-03 04:05:53,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 04:05:54,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 04:05:54,028 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 04:05:54,029 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 04:05:54,032 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 04:05:54,034 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dbbc629-9b2f-420f-98f8-bdef246ae9ff/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i [2022-11-03 04:05:54,101 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dbbc629-9b2f-420f-98f8-bdef246ae9ff/bin/utaipan-7li7fVZpFI/data/d04b47308/1c4d3c786107439a92e12dc4d113d8df/FLAG3672416df [2022-11-03 04:05:54,833 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 04:05:54,834 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dbbc629-9b2f-420f-98f8-bdef246ae9ff/sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i [2022-11-03 04:05:54,847 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dbbc629-9b2f-420f-98f8-bdef246ae9ff/bin/utaipan-7li7fVZpFI/data/d04b47308/1c4d3c786107439a92e12dc4d113d8df/FLAG3672416df [2022-11-03 04:05:55,098 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dbbc629-9b2f-420f-98f8-bdef246ae9ff/bin/utaipan-7li7fVZpFI/data/d04b47308/1c4d3c786107439a92e12dc4d113d8df [2022-11-03 04:05:55,100 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 04:05:55,102 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 04:05:55,103 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 04:05:55,103 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 04:05:55,109 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 04:05:55,110 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:05:55" (1/1) ... [2022-11-03 04:05:55,111 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@410c10bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:05:55, skipping insertion in model container [2022-11-03 04:05:55,112 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:05:55" (1/1) ... [2022-11-03 04:05:55,119 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 04:05:55,158 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 04:05:55,665 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 04:05:55,692 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-03 04:05:55,714 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 04:05:55,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 04:05:55,801 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 04:05:55,874 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 04:05:55,911 INFO L208 MainTranslator]: Completed translation [2022-11-03 04:05:55,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:05:55 WrapperNode [2022-11-03 04:05:55,912 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 04:05:55,913 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 04:05:55,914 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 04:05:55,914 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 04:05:55,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:05:55" (1/1) ... [2022-11-03 04:05:55,958 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:05:55" (1/1) ... [2022-11-03 04:05:55,978 INFO L138 Inliner]: procedures = 167, calls = 70, calls flagged for inlining = 22, calls inlined = 4, statements flattened = 17 [2022-11-03 04:05:55,978 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 04:05:55,979 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 04:05:55,979 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 04:05:55,979 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 04:05:55,998 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:05:55" (1/1) ... [2022-11-03 04:05:55,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:05:55" (1/1) ... [2022-11-03 04:05:56,001 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:05:55" (1/1) ... [2022-11-03 04:05:56,001 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:05:55" (1/1) ... [2022-11-03 04:05:56,007 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:05:55" (1/1) ... [2022-11-03 04:05:56,008 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:05:55" (1/1) ... [2022-11-03 04:05:56,010 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:05:55" (1/1) ... [2022-11-03 04:05:56,011 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:05:55" (1/1) ... [2022-11-03 04:05:56,013 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 04:05:56,014 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 04:05:56,014 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 04:05:56,014 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 04:05:56,015 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:05:55" (1/1) ... [2022-11-03 04:05:56,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 04:05:56,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dbbc629-9b2f-420f-98f8-bdef246ae9ff/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:05:56,058 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dbbc629-9b2f-420f-98f8-bdef246ae9ff/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 04:05:56,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dbbc629-9b2f-420f-98f8-bdef246ae9ff/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 04:05:56,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 04:05:56,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 04:05:56,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 04:05:56,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 04:05:56,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 04:05:56,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 04:05:56,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 04:05:56,278 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 04:05:56,282 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 04:05:56,439 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 04:05:56,448 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 04:05:56,448 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 04:05:56,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:05:56 BoogieIcfgContainer [2022-11-03 04:05:56,466 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 04:05:56,468 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 04:05:56,468 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 04:05:56,472 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 04:05:56,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:05:55" (1/3) ... [2022-11-03 04:05:56,473 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f879878 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:05:56, skipping insertion in model container [2022-11-03 04:05:56,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:05:55" (2/3) ... [2022-11-03 04:05:56,473 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f879878 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:05:56, skipping insertion in model container [2022-11-03 04:05:56,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:05:56" (3/3) ... [2022-11-03 04:05:56,475 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test8_1.i [2022-11-03 04:05:56,526 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 04:05:56,526 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 04:05:56,605 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 04:05:56,611 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1a4eb189, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 04:05:56,611 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 04:05:56,615 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 10 states have (on average 1.2) internal successors, (12), 11 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 04:05:56,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-03 04:05:56,623 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:05:56,624 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:05:56,624 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-11-03 04:05:56,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:05:56,630 INFO L85 PathProgramCache]: Analyzing trace with hash -792258202, now seen corresponding path program 1 times [2022-11-03 04:05:56,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 04:05:56,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1886748509] [2022-11-03 04:05:56,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:05:56,646 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 04:05:56,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dbbc629-9b2f-420f-98f8-bdef246ae9ff/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 04:05:56,668 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dbbc629-9b2f-420f-98f8-bdef246ae9ff/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 04:05:56,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dbbc629-9b2f-420f-98f8-bdef246ae9ff/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-03 04:05:56,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 04:05:56,828 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-03 04:05:56,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 04:05:56,905 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-11-03 04:05:56,907 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-03 04:05:56,909 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 1 remaining) [2022-11-03 04:05:56,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dbbc629-9b2f-420f-98f8-bdef246ae9ff/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-11-03 04:05:57,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dbbc629-9b2f-420f-98f8-bdef246ae9ff/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 04:05:57,128 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-03 04:05:57,133 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 04:05:57,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 04:05:57 BoogieIcfgContainer [2022-11-03 04:05:57,161 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 04:05:57,165 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 04:05:57,165 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 04:05:57,166 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 04:05:57,166 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:05:56" (3/4) ... [2022-11-03 04:05:57,171 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-03 04:05:57,171 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 04:05:57,172 INFO L158 Benchmark]: Toolchain (without parser) took 2070.21ms. Allocated memory is still 73.4MB. Free memory was 49.2MB in the beginning and 51.2MB in the end (delta: -2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 04:05:57,179 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 52.4MB. Free memory was 32.7MB in the beginning and 32.6MB in the end (delta: 50.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 04:05:57,181 INFO L158 Benchmark]: CACSL2BoogieTranslator took 809.32ms. Allocated memory is still 73.4MB. Free memory was 49.1MB in the beginning and 38.5MB in the end (delta: 10.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-03 04:05:57,182 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.99ms. Allocated memory is still 73.4MB. Free memory was 38.3MB in the beginning and 36.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 04:05:57,183 INFO L158 Benchmark]: Boogie Preprocessor took 34.57ms. Allocated memory is still 73.4MB. Free memory was 36.2MB in the beginning and 55.1MB in the end (delta: -18.9MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2022-11-03 04:05:57,184 INFO L158 Benchmark]: RCFGBuilder took 452.09ms. Allocated memory is still 73.4MB. Free memory was 55.1MB in the beginning and 44.7MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-03 04:05:57,185 INFO L158 Benchmark]: TraceAbstraction took 693.36ms. Allocated memory is still 73.4MB. Free memory was 44.0MB in the beginning and 51.6MB in the end (delta: -7.6MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2022-11-03 04:05:57,188 INFO L158 Benchmark]: Witness Printer took 6.07ms. Allocated memory is still 73.4MB. Free memory was 51.6MB in the beginning and 51.2MB in the end (delta: 421.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 04:05:57,196 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 52.4MB. Free memory was 32.7MB in the beginning and 32.6MB in the end (delta: 50.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 809.32ms. Allocated memory is still 73.4MB. Free memory was 49.1MB in the beginning and 38.5MB in the end (delta: 10.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.99ms. Allocated memory is still 73.4MB. Free memory was 38.3MB in the beginning and 36.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.57ms. Allocated memory is still 73.4MB. Free memory was 36.2MB in the beginning and 55.1MB in the end (delta: -18.9MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * RCFGBuilder took 452.09ms. Allocated memory is still 73.4MB. Free memory was 55.1MB in the beginning and 44.7MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 693.36ms. Allocated memory is still 73.4MB. Free memory was 44.0MB in the beginning and 51.6MB in the end (delta: -7.6MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. * Witness Printer took 6.07ms. Allocated memory is still 73.4MB. Free memory was 51.6MB in the beginning and 51.2MB in the end (delta: 421.7kB). There was no memory consumed. Max. memory is 16.1GB. * 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: 768]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 768. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L757] int *a8; VAL [a8={0:0}, ldv_global_msg_list={1:0}] [L769] CALL entry_point() [L765] CALL alloc_8() [L759] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, a8={0:0}, ldv_global_msg_list={1:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L759] RET, EXPR ldv_malloc(sizeof(int)) VAL [a8={0:0}, ldv_global_msg_list={1:0}, ldv_malloc(sizeof(int))={2:0}] [L759] a8 = (int *)ldv_malloc(sizeof(int)) [L765] RET alloc_8() [L766] a8 = 0 VAL [a8={0:0}, ldv_global_msg_list={1:0}] [L769] RET entry_point() - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 14 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, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred 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, 11 NumberOfCodeBlocks, 11 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 [2022-11-03 04:05:57,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dbbc629-9b2f-420f-98f8-bdef246ae9ff/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample