./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e70a39a1-8ec8-49bc-a5bd-56c0723dcfe6/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e70a39a1-8ec8-49bc-a5bd-56c0723dcfe6/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e70a39a1-8ec8-49bc-a5bd-56c0723dcfe6/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e70a39a1-8ec8-49bc-a5bd-56c0723dcfe6/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_e70a39a1-8ec8-49bc-a5bd-56c0723dcfe6/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e70a39a1-8ec8-49bc-a5bd-56c0723dcfe6/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7619b94c95edf7a1d85f42db59dce2bf3c10f3b9 ........................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e70a39a1-8ec8-49bc-a5bd-56c0723dcfe6/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e70a39a1-8ec8-49bc-a5bd-56c0723dcfe6/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e70a39a1-8ec8-49bc-a5bd-56c0723dcfe6/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e70a39a1-8ec8-49bc-a5bd-56c0723dcfe6/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_e70a39a1-8ec8-49bc-a5bd-56c0723dcfe6/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e70a39a1-8ec8-49bc-a5bd-56c0723dcfe6/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7619b94c95edf7a1d85f42db59dce2bf3c10f3b9 ................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 14:36:30,142 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:36:30,143 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:36:30,152 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:36:30,152 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:36:30,153 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:36:30,154 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:36:30,156 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:36:30,158 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:36:30,158 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:36:30,159 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:36:30,160 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:36:30,160 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:36:30,161 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:36:30,161 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:36:30,162 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:36:30,163 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:36:30,163 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:36:30,165 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:36:30,166 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:36:30,168 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:36:30,169 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:36:30,170 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:36:30,170 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:36:30,172 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:36:30,172 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:36:30,172 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:36:30,173 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:36:30,173 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:36:30,174 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:36:30,174 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:36:30,175 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:36:30,175 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:36:30,176 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:36:30,177 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:36:30,177 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:36:30,177 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:36:30,177 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:36:30,178 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:36:30,178 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:36:30,179 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:36:30,180 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e70a39a1-8ec8-49bc-a5bd-56c0723dcfe6/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2019-12-07 14:36:30,191 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:36:30,191 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:36:30,191 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 14:36:30,192 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 14:36:30,192 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 14:36:30,192 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 14:36:30,192 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 14:36:30,192 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 14:36:30,192 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 14:36:30,192 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 14:36:30,192 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 14:36:30,193 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 14:36:30,193 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 14:36:30,193 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 14:36:30,193 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 14:36:30,193 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 14:36:30,193 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 14:36:30,194 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:36:30,194 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:36:30,194 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 14:36:30,194 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 14:36:30,194 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:36:30,194 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:36:30,194 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-07 14:36:30,194 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-07 14:36:30,194 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-07 14:36:30,195 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 14:36:30,195 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 14:36:30,195 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:36:30,195 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:36:30,195 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:36:30,195 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 14:36:30,195 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 14:36:30,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:36:30,195 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:36:30,196 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 14:36:30,196 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 14:36:30,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 14:36:30,196 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:36:30,196 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 14:36:30,196 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e70a39a1-8ec8-49bc-a5bd-56c0723dcfe6/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7619b94c95edf7a1d85f42db59dce2bf3c10f3b9 [2019-12-07 14:36:30,294 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:36:30,303 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:36:30,305 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:36:30,306 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:36:30,307 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:36:30,307 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e70a39a1-8ec8-49bc-a5bd-56c0723dcfe6/bin/utaipan/../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i [2019-12-07 14:36:30,345 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e70a39a1-8ec8-49bc-a5bd-56c0723dcfe6/bin/utaipan/data/ad1e01f57/b510f48522e141aeb6f0efdfe1140e0e/FLAG7e589e2b1 [2019-12-07 14:36:30,722 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:36:30,723 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e70a39a1-8ec8-49bc-a5bd-56c0723dcfe6/sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i [2019-12-07 14:36:30,733 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e70a39a1-8ec8-49bc-a5bd-56c0723dcfe6/bin/utaipan/data/ad1e01f57/b510f48522e141aeb6f0efdfe1140e0e/FLAG7e589e2b1 [2019-12-07 14:36:30,742 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e70a39a1-8ec8-49bc-a5bd-56c0723dcfe6/bin/utaipan/data/ad1e01f57/b510f48522e141aeb6f0efdfe1140e0e [2019-12-07 14:36:30,744 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:36:30,745 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:36:30,745 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:36:30,746 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:36:30,748 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:36:30,748 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:36:30" (1/1) ... [2019-12-07 14:36:30,750 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65d34426 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:36:30, skipping insertion in model container [2019-12-07 14:36:30,750 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:36:30" (1/1) ... [2019-12-07 14:36:30,755 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:36:30,782 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:36:31,039 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:36:31,054 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) [2019-12-07 14:36:31,054 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3b25766b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:36:31, skipping insertion in model container [2019-12-07 14:36:31,054 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:36:31,055 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 14:36:31,057 INFO L168 Benchmark]: Toolchain (without parser) took 311.07 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 934.5 MB in the beginning and 1.1 GB in the end (delta: -149.4 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2019-12-07 14:36:31,057 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 955.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:36:31,058 INFO L168 Benchmark]: CACSL2BoogieTranslator took 309.22 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 934.5 MB in the beginning and 1.1 GB in the end (delta: -149.4 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2019-12-07 14:36:31,059 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 955.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 309.22 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 934.5 MB in the beginning and 1.1 GB in the end (delta: -149.4 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 14:36:32,218 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:36:32,220 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:36:32,228 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:36:32,228 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:36:32,228 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:36:32,229 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:36:32,231 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:36:32,232 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:36:32,233 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:36:32,233 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:36:32,234 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:36:32,234 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:36:32,235 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:36:32,236 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:36:32,236 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:36:32,237 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:36:32,238 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:36:32,239 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:36:32,240 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:36:32,241 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:36:32,242 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:36:32,243 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:36:32,244 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:36:32,245 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:36:32,246 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:36:32,246 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:36:32,246 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:36:32,247 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:36:32,247 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:36:32,247 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:36:32,248 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:36:32,248 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:36:32,249 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:36:32,250 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:36:32,250 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:36:32,250 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:36:32,250 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:36:32,250 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:36:32,251 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:36:32,252 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:36:32,252 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e70a39a1-8ec8-49bc-a5bd-56c0723dcfe6/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2019-12-07 14:36:32,262 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:36:32,262 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:36:32,263 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 14:36:32,263 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 14:36:32,263 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 14:36:32,263 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 14:36:32,264 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 14:36:32,264 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 14:36:32,264 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 14:36:32,264 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 14:36:32,264 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 14:36:32,265 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:36:32,265 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:36:32,265 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 14:36:32,265 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 14:36:32,265 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:36:32,265 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:36:32,265 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-07 14:36:32,265 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-07 14:36:32,266 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-07 14:36:32,266 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 14:36:32,266 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 14:36:32,266 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 14:36:32,266 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 14:36:32,266 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:36:32,266 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:36:32,266 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:36:32,267 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 14:36:32,267 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 14:36:32,267 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 14:36:32,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:36:32,267 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:36:32,267 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 14:36:32,267 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 14:36:32,267 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 14:36:32,268 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:36:32,268 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 14:36:32,268 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e70a39a1-8ec8-49bc-a5bd-56c0723dcfe6/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7619b94c95edf7a1d85f42db59dce2bf3c10f3b9 [2019-12-07 14:36:32,437 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:36:32,445 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:36:32,447 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:36:32,448 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:36:32,448 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:36:32,449 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e70a39a1-8ec8-49bc-a5bd-56c0723dcfe6/bin/utaipan/../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i [2019-12-07 14:36:32,488 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e70a39a1-8ec8-49bc-a5bd-56c0723dcfe6/bin/utaipan/data/b3c2f4175/7baadab6ba364f4f910ded6f7a3edd51/FLAG9711027e7 [2019-12-07 14:36:32,884 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:36:32,885 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e70a39a1-8ec8-49bc-a5bd-56c0723dcfe6/sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i [2019-12-07 14:36:32,895 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e70a39a1-8ec8-49bc-a5bd-56c0723dcfe6/bin/utaipan/data/b3c2f4175/7baadab6ba364f4f910ded6f7a3edd51/FLAG9711027e7 [2019-12-07 14:36:32,904 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e70a39a1-8ec8-49bc-a5bd-56c0723dcfe6/bin/utaipan/data/b3c2f4175/7baadab6ba364f4f910ded6f7a3edd51 [2019-12-07 14:36:32,906 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:36:32,907 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:36:32,908 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:36:32,908 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:36:32,910 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:36:32,911 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:36:32" (1/1) ... [2019-12-07 14:36:32,912 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b5dd555 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:36:32, skipping insertion in model container [2019-12-07 14:36:32,913 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:36:32" (1/1) ... [2019-12-07 14:36:32,917 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:36:32,945 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:36:33,205 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:36:33,220 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 14:36:33,245 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:36:33,279 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:36:33,285 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 14:36:33,321 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:36:33,374 INFO L208 MainTranslator]: Completed translation [2019-12-07 14:36:33,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:36:33 WrapperNode [2019-12-07 14:36:33,375 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:36:33,375 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 14:36:33,375 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 14:36:33,375 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 14:36:33,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:36:33" (1/1) ... [2019-12-07 14:36:33,397 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:36:33" (1/1) ... [2019-12-07 14:36:33,410 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 14:36:33,410 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 14:36:33,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 14:36:33,410 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 14:36:33,417 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:36:33" (1/1) ... [2019-12-07 14:36:33,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:36:33" (1/1) ... [2019-12-07 14:36:33,419 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:36:33" (1/1) ... [2019-12-07 14:36:33,419 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:36:33" (1/1) ... [2019-12-07 14:36:33,424 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:36:33" (1/1) ... [2019-12-07 14:36:33,425 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:36:33" (1/1) ... [2019-12-07 14:36:33,426 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:36:33" (1/1) ... [2019-12-07 14:36:33,428 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 14:36:33,428 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 14:36:33,428 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 14:36:33,428 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 14:36:33,429 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:36:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e70a39a1-8ec8-49bc-a5bd-56c0723dcfe6/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:36:33,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 14:36:33,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 14:36:33,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 14:36:33,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-12-07 14:36:33,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 14:36:33,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 14:36:33,620 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 14:36:33,620 INFO L287 CfgBuilder]: Removed 12 assume(true) statements. [2019-12-07 14:36:33,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:36:33 BoogieIcfgContainer [2019-12-07 14:36:33,621 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 14:36:33,622 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 14:36:33,622 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 14:36:33,623 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 14:36:33,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 02:36:32" (1/3) ... [2019-12-07 14:36:33,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@189fde85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:36:33, skipping insertion in model container [2019-12-07 14:36:33,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:36:33" (2/3) ... [2019-12-07 14:36:33,625 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@189fde85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:36:33, skipping insertion in model container [2019-12-07 14:36:33,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:36:33" (3/3) ... [2019-12-07 14:36:33,626 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test5_2.i [2019-12-07 14:36:33,632 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 14:36:33,636 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-12-07 14:36:33,644 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-07 14:36:33,656 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 14:36:33,656 INFO L374 AbstractCegarLoop]: Hoare is false [2019-12-07 14:36:33,656 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 14:36:33,656 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 14:36:33,656 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 14:36:33,656 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 14:36:33,656 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 14:36:33,657 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 14:36:33,665 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. [2019-12-07 14:36:33,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-07 14:36:33,670 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:36:33,670 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:36:33,670 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE]=== [2019-12-07 14:36:33,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:36:33,674 INFO L82 PathProgramCache]: Analyzing trace with hash 1804965640, now seen corresponding path program 1 times [2019-12-07 14:36:33,682 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:36:33,682 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1855063656] [2019-12-07 14:36:33,682 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e70a39a1-8ec8-49bc-a5bd-56c0723dcfe6/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 14:36:33,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:36:33,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:36:33,784 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-12-07 14:36:33,784 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 14:36:33,986 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 14:36:34,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 02:36:34 BoogieIcfgContainer [2019-12-07 14:36:34,033 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 14:36:34,034 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 14:36:34,034 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 14:36:34,035 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 14:36:34,036 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:36:33" (3/4) ... [2019-12-07 14:36:34,042 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 14:36:34,042 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 14:36:34,046 INFO L168 Benchmark]: Toolchain (without parser) took 1136.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 947.0 MB in the beginning and 1.0 GB in the end (delta: -73.1 MB). Peak memory consumption was 55.4 MB. Max. memory is 11.5 GB. [2019-12-07 14:36:34,047 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:36:34,048 INFO L168 Benchmark]: CACSL2BoogieTranslator took 467.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -135.3 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2019-12-07 14:36:34,050 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 14:36:34,051 INFO L168 Benchmark]: Boogie Preprocessor took 17.70 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:36:34,052 INFO L168 Benchmark]: RCFGBuilder took 192.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2019-12-07 14:36:34,053 INFO L168 Benchmark]: TraceAbstraction took 411.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 35.2 MB). Peak memory consumption was 35.2 MB. Max. memory is 11.5 GB. [2019-12-07 14:36:34,054 INFO L168 Benchmark]: Witness Printer took 8.39 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:36:34,059 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 467.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -135.3 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.70 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 192.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 411.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 35.2 MB). Peak memory consumption was 35.2 MB. Max. memory is 11.5 GB. * Witness Printer took 8.39 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 770]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 770. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [ldv_global_msg_list={3:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); VAL [ldv_global_msg_list={3:0}] [L758] int *p = (int *)ldv_malloc(sizeof(int)); [L759] return 0; VAL [ldv_global_msg_list={3:0}] [L767] int *p = f5(); [L762] COND FALSE !(\read(*p)) VAL [ldv_global_msg_list={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 16 locations, 4 error locations. Result: UNSAFE, OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...