./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety-realloc/array-realloc-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_dc6f70a2-4e12-4a21-89db-468f3950fda2/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_dc6f70a2-4e12-4a21-89db-468f3950fda2/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_dc6f70a2-4e12-4a21-89db-468f3950fda2/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_dc6f70a2-4e12-4a21-89db-468f3950fda2/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety-realloc/array-realloc-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_dc6f70a2-4e12-4a21-89db-468f3950fda2/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_dc6f70a2-4e12-4a21-89db-468f3950fda2/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 ef75293aeb91e37969e4557310245e0c38a479cd ............................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_dc6f70a2-4e12-4a21-89db-468f3950fda2/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_dc6f70a2-4e12-4a21-89db-468f3950fda2/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_dc6f70a2-4e12-4a21-89db-468f3950fda2/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_dc6f70a2-4e12-4a21-89db-468f3950fda2/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety-realloc/array-realloc-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_dc6f70a2-4e12-4a21-89db-468f3950fda2/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_dc6f70a2-4e12-4a21-89db-468f3950fda2/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 ef75293aeb91e37969e4557310245e0c38a479cd ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free) --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-03 12:32:25,045 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-03 12:32:25,048 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-03 12:32:25,114 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-03 12:32:25,114 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-03 12:32:25,120 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-03 12:32:25,123 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-03 12:32:25,127 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-03 12:32:25,130 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-03 12:32:25,138 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-03 12:32:25,139 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-03 12:32:25,141 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-03 12:32:25,142 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-03 12:32:25,146 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-03 12:32:25,147 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-03 12:32:25,150 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-03 12:32:25,151 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-03 12:32:25,156 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-03 12:32:25,160 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-03 12:32:25,170 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-03 12:32:25,172 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-03 12:32:25,173 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-03 12:32:25,176 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-03 12:32:25,177 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-03 12:32:25,180 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-03 12:32:25,181 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-03 12:32:25,181 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-03 12:32:25,183 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-03 12:32:25,184 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-03 12:32:25,185 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-03 12:32:25,186 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-03 12:32:25,187 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-03 12:32:25,189 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-03 12:32:25,190 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-03 12:32:25,192 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-03 12:32:25,192 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-03 12:32:25,193 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-03 12:32:25,194 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-03 12:32:25,194 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-03 12:32:25,195 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-03 12:32:25,195 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-03 12:32:25,198 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_dc6f70a2-4e12-4a21-89db-468f3950fda2/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2020-12-03 12:32:25,248 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-03 12:32:25,250 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-03 12:32:25,252 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-03 12:32:25,252 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-03 12:32:25,252 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-03 12:32:25,253 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-03 12:32:25,253 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-03 12:32:25,253 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-03 12:32:25,254 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-03 12:32:25,254 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-03 12:32:25,255 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-03 12:32:25,255 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-03 12:32:25,256 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-03 12:32:25,256 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-03 12:32:25,256 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-03 12:32:25,257 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-03 12:32:25,257 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-03 12:32:25,258 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-03 12:32:25,258 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-03 12:32:25,258 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-03 12:32:25,258 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-03 12:32:25,259 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-03 12:32:25,259 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-03 12:32:25,259 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-03 12:32:25,259 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-03 12:32:25,260 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-03 12:32:25,260 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-03 12:32:25,260 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-03 12:32:25,260 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-03 12:32:25,261 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-03 12:32:25,261 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-03 12:32:25,262 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-03 12:32:25,262 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-03 12:32:25,262 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-03 12:32:25,262 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-03 12:32:25,263 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-03 12:32:25,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-03 12:32:25,263 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-03 12:32:25,264 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-03 12:32:25,264 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_dc6f70a2-4e12-4a21-89db-468f3950fda2/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_dc6f70a2-4e12-4a21-89db-468f3950fda2/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef75293aeb91e37969e4557310245e0c38a479cd [2020-12-03 12:32:25,627 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-03 12:32:25,677 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-03 12:32:25,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-03 12:32:25,681 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-03 12:32:25,682 INFO L275 PluginConnector]: CDTParser initialized [2020-12-03 12:32:25,684 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_dc6f70a2-4e12-4a21-89db-468f3950fda2/bin/utaipan/../../sv-benchmarks/c/array-memsafety-realloc/array-realloc-1.i [2020-12-03 12:32:25,771 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dc6f70a2-4e12-4a21-89db-468f3950fda2/bin/utaipan/data/b01b5ff2f/df3709a7c90e485c98adf29652dda5e6/FLAG59d0d3317 [2020-12-03 12:32:26,401 INFO L306 CDTParser]: Found 1 translation units. [2020-12-03 12:32:26,402 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_dc6f70a2-4e12-4a21-89db-468f3950fda2/sv-benchmarks/c/array-memsafety-realloc/array-realloc-1.i [2020-12-03 12:32:26,433 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dc6f70a2-4e12-4a21-89db-468f3950fda2/bin/utaipan/data/b01b5ff2f/df3709a7c90e485c98adf29652dda5e6/FLAG59d0d3317 [2020-12-03 12:32:26,677 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_dc6f70a2-4e12-4a21-89db-468f3950fda2/bin/utaipan/data/b01b5ff2f/df3709a7c90e485c98adf29652dda5e6 [2020-12-03 12:32:26,681 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-03 12:32:26,683 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-03 12:32:26,685 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-03 12:32:26,686 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-03 12:32:26,690 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-03 12:32:26,691 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:32:26" (1/1) ... [2020-12-03 12:32:26,695 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f43fbac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:32:26, skipping insertion in model container [2020-12-03 12:32:26,695 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:32:26" (1/1) ... [2020-12-03 12:32:26,702 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-03 12:32:26,762 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-03 12:32:27,133 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 12:32:27,148 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) [2020-12-03 12:32:27,149 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@47252ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:32:27, skipping insertion in model container [2020-12-03 12:32:27,149 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-03 12:32:27,150 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-03 12:32:27,152 INFO L168 Benchmark]: Toolchain (without parser) took 467.51 ms. Allocated memory is still 98.6 MB. Free memory was 70.0 MB in the beginning and 72.4 MB in the end (delta: -2.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-03 12:32:27,153 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 98.6 MB. Free memory is still 56.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 12:32:27,154 INFO L168 Benchmark]: CACSL2BoogieTranslator took 464.40 ms. Allocated memory is still 98.6 MB. Free memory was 69.9 MB in the beginning and 72.4 MB in the end (delta: -2.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-03 12:32:27,156 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 98.6 MB. Free memory is still 56.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 464.40 ms. Allocated memory is still 98.6 MB. Free memory was 69.9 MB in the beginning and 72.4 MB in the end (delta: -2.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 515]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2020-12-03 12:32:29,807 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-03 12:32:29,809 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-03 12:32:29,853 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-03 12:32:29,854 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-03 12:32:29,859 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-03 12:32:29,861 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-03 12:32:29,864 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-03 12:32:29,866 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-03 12:32:29,868 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-03 12:32:29,869 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-03 12:32:29,871 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-03 12:32:29,872 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-03 12:32:29,873 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-03 12:32:29,874 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-03 12:32:29,876 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-03 12:32:29,877 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-03 12:32:29,878 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-03 12:32:29,881 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-03 12:32:29,883 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-03 12:32:29,885 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-03 12:32:29,887 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-03 12:32:29,888 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-03 12:32:29,890 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-03 12:32:29,893 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-03 12:32:29,894 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-03 12:32:29,894 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-03 12:32:29,895 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-03 12:32:29,896 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-03 12:32:29,898 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-03 12:32:29,898 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-03 12:32:29,899 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-03 12:32:29,900 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-03 12:32:29,901 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-03 12:32:29,903 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-03 12:32:29,903 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-03 12:32:29,904 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-03 12:32:29,905 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-03 12:32:29,905 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-03 12:32:29,907 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-03 12:32:29,908 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-03 12:32:29,909 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_dc6f70a2-4e12-4a21-89db-468f3950fda2/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2020-12-03 12:32:29,953 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-03 12:32:29,954 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-03 12:32:29,956 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-03 12:32:29,956 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-03 12:32:29,957 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-03 12:32:29,957 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-03 12:32:29,957 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-03 12:32:29,957 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-03 12:32:29,958 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-03 12:32:29,959 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-03 12:32:29,960 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-03 12:32:29,961 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-03 12:32:29,961 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-03 12:32:29,961 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-03 12:32:29,961 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-03 12:32:29,962 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-03 12:32:29,962 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-03 12:32:29,962 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-03 12:32:29,962 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-03 12:32:29,963 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-03 12:32:29,963 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-03 12:32:29,963 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-03 12:32:29,963 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-03 12:32:29,963 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-03 12:32:29,964 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-03 12:32:29,964 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-03 12:32:29,964 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-03 12:32:29,964 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-03 12:32:29,965 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-03 12:32:29,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-03 12:32:29,965 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-03 12:32:29,983 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-03 12:32:29,984 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-03 12:32:29,984 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-03 12:32:29,984 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-03 12:32:29,985 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-03 12:32:29,985 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-vcloud-master/worker/run_dir_dc6f70a2-4e12-4a21-89db-468f3950fda2/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_dc6f70a2-4e12-4a21-89db-468f3950fda2/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef75293aeb91e37969e4557310245e0c38a479cd [2020-12-03 12:32:30,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-03 12:32:30,495 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-03 12:32:30,499 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-03 12:32:30,500 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-03 12:32:30,501 INFO L275 PluginConnector]: CDTParser initialized [2020-12-03 12:32:30,503 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_dc6f70a2-4e12-4a21-89db-468f3950fda2/bin/utaipan/../../sv-benchmarks/c/array-memsafety-realloc/array-realloc-1.i [2020-12-03 12:32:30,587 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dc6f70a2-4e12-4a21-89db-468f3950fda2/bin/utaipan/data/794f6cf2d/598a4fb0c004425c8ac0b656445e04cd/FLAG0aa3c7342 [2020-12-03 12:32:31,414 INFO L306 CDTParser]: Found 1 translation units. [2020-12-03 12:32:31,415 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_dc6f70a2-4e12-4a21-89db-468f3950fda2/sv-benchmarks/c/array-memsafety-realloc/array-realloc-1.i [2020-12-03 12:32:31,440 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dc6f70a2-4e12-4a21-89db-468f3950fda2/bin/utaipan/data/794f6cf2d/598a4fb0c004425c8ac0b656445e04cd/FLAG0aa3c7342 [2020-12-03 12:32:31,603 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_dc6f70a2-4e12-4a21-89db-468f3950fda2/bin/utaipan/data/794f6cf2d/598a4fb0c004425c8ac0b656445e04cd [2020-12-03 12:32:31,607 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-03 12:32:31,608 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-03 12:32:31,609 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-03 12:32:31,610 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-03 12:32:31,628 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-03 12:32:31,628 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:32:31" (1/1) ... [2020-12-03 12:32:31,631 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b60b135 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:32:31, skipping insertion in model container [2020-12-03 12:32:31,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:32:31" (1/1) ... [2020-12-03 12:32:31,643 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-03 12:32:31,720 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-03 12:32:32,075 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 12:32:32,101 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-12-03 12:32:32,114 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-03 12:32:32,182 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 12:32:32,190 INFO L203 MainTranslator]: Completed pre-run [2020-12-03 12:32:32,247 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 12:32:32,335 INFO L208 MainTranslator]: Completed translation [2020-12-03 12:32:32,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:32:32 WrapperNode [2020-12-03 12:32:32,336 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-03 12:32:32,337 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-03 12:32:32,338 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-03 12:32:32,338 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-03 12:32:32,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:32:32" (1/1) ... [2020-12-03 12:32:32,375 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:32:32" (1/1) ... [2020-12-03 12:32:32,396 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-03 12:32:32,396 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-03 12:32:32,397 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-03 12:32:32,397 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-03 12:32:32,405 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:32:32" (1/1) ... [2020-12-03 12:32:32,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:32:32" (1/1) ... [2020-12-03 12:32:32,410 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:32:32" (1/1) ... [2020-12-03 12:32:32,410 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:32:32" (1/1) ... [2020-12-03 12:32:32,418 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:32:32" (1/1) ... [2020-12-03 12:32:32,422 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:32:32" (1/1) ... [2020-12-03 12:32:32,442 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:32:32" (1/1) ... [2020-12-03 12:32:32,445 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-03 12:32:32,446 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-03 12:32:32,446 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-03 12:32:32,446 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-03 12:32:32,447 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:32:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dc6f70a2-4e12-4a21-89db-468f3950fda2/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 [2020-12-03 12:32:32,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-03 12:32:32,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-03 12:32:32,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-03 12:32:32,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-03 12:32:32,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-03 12:32:33,046 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-03 12:32:33,046 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-03 12:32:33,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:32:33 BoogieIcfgContainer [2020-12-03 12:32:33,048 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-03 12:32:33,049 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-03 12:32:33,049 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-03 12:32:33,056 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-03 12:32:33,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 12:32:31" (1/3) ... [2020-12-03 12:32:33,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a836088 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 12:32:33, skipping insertion in model container [2020-12-03 12:32:33,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:32:32" (2/3) ... [2020-12-03 12:32:33,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a836088 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 12:32:33, skipping insertion in model container [2020-12-03 12:32:33,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:32:33" (3/3) ... [2020-12-03 12:32:33,060 INFO L111 eAbstractionObserver]: Analyzing ICFG array-realloc-1.i [2020-12-03 12:32:33,095 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-03 12:32:33,100 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2020-12-03 12:32:33,112 INFO L253 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2020-12-03 12:32:33,153 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-03 12:32:33,154 INFO L378 AbstractCegarLoop]: Hoare is false [2020-12-03 12:32:33,154 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-03 12:32:33,154 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-03 12:32:33,154 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-03 12:32:33,154 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-03 12:32:33,154 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-03 12:32:33,155 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-03 12:32:33,174 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2020-12-03 12:32:33,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-03 12:32:33,181 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 12:32:33,182 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-12-03 12:32:33,182 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-03 12:32:33,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 12:32:33,189 INFO L82 PathProgramCache]: Analyzing trace with hash 925656, now seen corresponding path program 1 times [2020-12-03 12:32:33,202 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-03 12:32:33,202 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1479884213] [2020-12-03 12:32:33,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dc6f70a2-4e12-4a21-89db-468f3950fda2/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 [2020-12-03 12:32:33,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 12:32:33,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-03 12:32:33,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-03 12:32:33,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 12:32:33,393 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-03 12:32:33,394 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1479884213] [2020-12-03 12:32:33,395 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 12:32:33,396 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-03 12:32:33,396 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054856924] [2020-12-03 12:32:33,410 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-03 12:32:33,411 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-03 12:32:33,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-03 12:32:33,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-03 12:32:33,437 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 3 states. [2020-12-03 12:32:33,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 12:32:33,533 INFO L93 Difference]: Finished difference Result 31 states and 35 transitions. [2020-12-03 12:32:33,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-03 12:32:33,535 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-12-03 12:32:33,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 12:32:33,545 INFO L225 Difference]: With dead ends: 31 [2020-12-03 12:32:33,553 INFO L226 Difference]: Without dead ends: 28 [2020-12-03 12:32:33,555 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-03 12:32:33,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-12-03 12:32:33,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2020-12-03 12:32:33,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-12-03 12:32:33,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 31 transitions. [2020-12-03 12:32:33,596 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 31 transitions. Word has length 4 [2020-12-03 12:32:33,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 12:32:33,597 INFO L481 AbstractCegarLoop]: Abstraction has 28 states and 31 transitions. [2020-12-03 12:32:33,597 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-03 12:32:33,597 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2020-12-03 12:32:33,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-03 12:32:33,598 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 12:32:33,599 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-12-03 12:32:33,815 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-03 12:32:33,816 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-03 12:32:33,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 12:32:33,817 INFO L82 PathProgramCache]: Analyzing trace with hash 28695828, now seen corresponding path program 1 times [2020-12-03 12:32:33,818 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-03 12:32:33,818 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1354580734] [2020-12-03 12:32:33,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dc6f70a2-4e12-4a21-89db-468f3950fda2/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-12-03 12:32:33,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 12:32:33,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-03 12:32:33,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-03 12:32:33,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 12:32:33,943 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-03 12:32:33,943 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1354580734] [2020-12-03 12:32:33,943 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 12:32:33,944 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-03 12:32:33,944 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149059624] [2020-12-03 12:32:33,946 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-03 12:32:33,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-03 12:32:33,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-03 12:32:33,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-03 12:32:33,948 INFO L87 Difference]: Start difference. First operand 28 states and 31 transitions. Second operand 3 states. [2020-12-03 12:32:33,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 12:32:33,977 INFO L93 Difference]: Finished difference Result 28 states and 30 transitions. [2020-12-03 12:32:33,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-03 12:32:33,979 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-12-03 12:32:33,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 12:32:33,982 INFO L225 Difference]: With dead ends: 28 [2020-12-03 12:32:33,983 INFO L226 Difference]: Without dead ends: 28 [2020-12-03 12:32:33,984 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-03 12:32:33,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-12-03 12:32:33,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2020-12-03 12:32:33,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-12-03 12:32:33,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2020-12-03 12:32:33,997 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 30 transitions. Word has length 5 [2020-12-03 12:32:33,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 12:32:33,998 INFO L481 AbstractCegarLoop]: Abstraction has 28 states and 30 transitions. [2020-12-03 12:32:34,002 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-03 12:32:34,002 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2020-12-03 12:32:34,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-03 12:32:34,003 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 12:32:34,004 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-12-03 12:32:34,228 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-03 12:32:34,229 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-03 12:32:34,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 12:32:34,230 INFO L82 PathProgramCache]: Analyzing trace with hash 1806910252, now seen corresponding path program 1 times [2020-12-03 12:32:34,231 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-03 12:32:34,231 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1947840176] [2020-12-03 12:32:34,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dc6f70a2-4e12-4a21-89db-468f3950fda2/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-12-03 12:32:34,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 12:32:34,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-03 12:32:34,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-03 12:32:34,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 12:32:34,374 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-03 12:32:34,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1947840176] [2020-12-03 12:32:34,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 12:32:34,374 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-03 12:32:34,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052488109] [2020-12-03 12:32:34,375 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-03 12:32:34,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-03 12:32:34,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-03 12:32:34,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-03 12:32:34,376 INFO L87 Difference]: Start difference. First operand 28 states and 30 transitions. Second operand 3 states. [2020-12-03 12:32:34,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 12:32:34,457 INFO L93 Difference]: Finished difference Result 42 states and 45 transitions. [2020-12-03 12:32:34,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-03 12:32:34,458 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-12-03 12:32:34,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 12:32:34,459 INFO L225 Difference]: With dead ends: 42 [2020-12-03 12:32:34,459 INFO L226 Difference]: Without dead ends: 42 [2020-12-03 12:32:34,460 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-03 12:32:34,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-12-03 12:32:34,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 30. [2020-12-03 12:32:34,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-12-03 12:32:34,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions. [2020-12-03 12:32:34,476 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 7 [2020-12-03 12:32:34,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 12:32:34,476 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions. [2020-12-03 12:32:34,476 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-03 12:32:34,476 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2020-12-03 12:32:34,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-03 12:32:34,477 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 12:32:34,477 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-12-03 12:32:34,694 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-03 12:32:34,694 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-03 12:32:34,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 12:32:34,695 INFO L82 PathProgramCache]: Analyzing trace with hash 179688781, now seen corresponding path program 1 times [2020-12-03 12:32:34,696 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-03 12:32:34,696 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [117700033] [2020-12-03 12:32:34,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dc6f70a2-4e12-4a21-89db-468f3950fda2/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-12-03 12:32:34,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 12:32:34,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-03 12:32:34,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-03 12:32:34,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 12:32:34,814 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-03 12:32:34,815 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [117700033] [2020-12-03 12:32:34,815 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 12:32:34,815 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-03 12:32:34,815 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304984384] [2020-12-03 12:32:34,816 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-03 12:32:34,816 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-03 12:32:34,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-03 12:32:34,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-03 12:32:34,817 INFO L87 Difference]: Start difference. First operand 30 states and 33 transitions. Second operand 5 states. [2020-12-03 12:32:34,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 12:32:34,940 INFO L93 Difference]: Finished difference Result 64 states and 67 transitions. [2020-12-03 12:32:34,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-03 12:32:34,941 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2020-12-03 12:32:34,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 12:32:34,942 INFO L225 Difference]: With dead ends: 64 [2020-12-03 12:32:34,942 INFO L226 Difference]: Without dead ends: 64 [2020-12-03 12:32:34,942 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-03 12:32:34,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-12-03 12:32:34,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 31. [2020-12-03 12:32:34,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-12-03 12:32:34,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 34 transitions. [2020-12-03 12:32:34,948 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 34 transitions. Word has length 8 [2020-12-03 12:32:34,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 12:32:34,948 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 34 transitions. [2020-12-03 12:32:34,948 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-03 12:32:34,948 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2020-12-03 12:32:34,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-03 12:32:34,949 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 12:32:34,949 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-12-03 12:32:35,165 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-03 12:32:35,168 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-03 12:32:35,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 12:32:35,170 INFO L82 PathProgramCache]: Analyzing trace with hash 179690703, now seen corresponding path program 1 times [2020-12-03 12:32:35,171 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-03 12:32:35,171 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1336236772] [2020-12-03 12:32:35,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dc6f70a2-4e12-4a21-89db-468f3950fda2/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-12-03 12:32:35,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 12:32:35,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-03 12:32:35,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-03 12:32:35,328 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-03 12:32:35,329 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 25 [2020-12-03 12:32:35,333 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-03 12:32:35,362 INFO L625 ElimStorePlain]: treesize reduction 10, result has 60.0 percent of original size [2020-12-03 12:32:35,366 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-03 12:32:35,367 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:9, output treesize:5 [2020-12-03 12:32:35,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 12:32:35,383 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-03 12:32:35,383 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1336236772] [2020-12-03 12:32:35,384 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 12:32:35,384 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-03 12:32:35,384 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538142759] [2020-12-03 12:32:35,385 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-03 12:32:35,385 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-03 12:32:35,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-03 12:32:35,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-03 12:32:35,386 INFO L87 Difference]: Start difference. First operand 31 states and 34 transitions. Second operand 4 states. [2020-12-03 12:32:35,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 12:32:35,513 INFO L93 Difference]: Finished difference Result 38 states and 41 transitions. [2020-12-03 12:32:35,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-03 12:32:35,514 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2020-12-03 12:32:35,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 12:32:35,514 INFO L225 Difference]: With dead ends: 38 [2020-12-03 12:32:35,515 INFO L226 Difference]: Without dead ends: 38 [2020-12-03 12:32:35,515 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-03 12:32:35,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-12-03 12:32:35,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 29. [2020-12-03 12:32:35,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-12-03 12:32:35,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions. [2020-12-03 12:32:35,520 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 8 [2020-12-03 12:32:35,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 12:32:35,521 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions. [2020-12-03 12:32:35,521 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-03 12:32:35,521 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2020-12-03 12:32:35,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-03 12:32:35,522 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 12:32:35,522 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-12-03 12:32:35,733 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-12-03 12:32:35,733 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-03 12:32:35,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 12:32:35,734 INFO L82 PathProgramCache]: Analyzing trace with hash 179690704, now seen corresponding path program 1 times [2020-12-03 12:32:35,734 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-03 12:32:35,734 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1972026561] [2020-12-03 12:32:35,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dc6f70a2-4e12-4a21-89db-468f3950fda2/bin/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-12-03 12:32:35,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 12:32:35,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-03 12:32:35,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-03 12:32:35,888 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2020-12-03 12:32:35,889 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-03 12:32:35,901 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-03 12:32:35,903 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-03 12:32:35,904 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2020-12-03 12:32:35,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 12:32:35,966 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-03 12:32:35,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1972026561] [2020-12-03 12:32:35,967 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 12:32:35,967 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-03 12:32:35,968 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421956992] [2020-12-03 12:32:35,968 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-03 12:32:35,968 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-03 12:32:35,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-03 12:32:35,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-03 12:32:35,970 INFO L87 Difference]: Start difference. First operand 29 states and 32 transitions. Second operand 6 states. [2020-12-03 12:32:36,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 12:32:36,315 INFO L93 Difference]: Finished difference Result 58 states and 61 transitions. [2020-12-03 12:32:36,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-03 12:32:36,317 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 8 [2020-12-03 12:32:36,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 12:32:36,318 INFO L225 Difference]: With dead ends: 58 [2020-12-03 12:32:36,318 INFO L226 Difference]: Without dead ends: 58 [2020-12-03 12:32:36,319 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-12-03 12:32:36,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2020-12-03 12:32:36,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 35. [2020-12-03 12:32:36,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-12-03 12:32:36,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 40 transitions. [2020-12-03 12:32:36,328 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 40 transitions. Word has length 8 [2020-12-03 12:32:36,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 12:32:36,328 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 40 transitions. [2020-12-03 12:32:36,329 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-03 12:32:36,329 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 40 transitions. [2020-12-03 12:32:36,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-03 12:32:36,329 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 12:32:36,330 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-03 12:32:36,544 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-12-03 12:32:36,547 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-03 12:32:36,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 12:32:36,548 INFO L82 PathProgramCache]: Analyzing trace with hash 1274213166, now seen corresponding path program 1 times [2020-12-03 12:32:36,548 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-03 12:32:36,548 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [634211691] [2020-12-03 12:32:36,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dc6f70a2-4e12-4a21-89db-468f3950fda2/bin/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2020-12-03 12:32:36,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 12:32:36,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-03 12:32:36,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-03 12:32:36,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 12:32:36,652 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-03 12:32:36,652 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [634211691] [2020-12-03 12:32:36,652 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 12:32:36,653 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-03 12:32:36,653 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773827483] [2020-12-03 12:32:36,653 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-03 12:32:36,654 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-03 12:32:36,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-03 12:32:36,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-03 12:32:36,655 INFO L87 Difference]: Start difference. First operand 35 states and 40 transitions. Second operand 3 states. [2020-12-03 12:32:36,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 12:32:36,674 INFO L93 Difference]: Finished difference Result 34 states and 39 transitions. [2020-12-03 12:32:36,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-03 12:32:36,675 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-12-03 12:32:36,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 12:32:36,678 INFO L225 Difference]: With dead ends: 34 [2020-12-03 12:32:36,678 INFO L226 Difference]: Without dead ends: 34 [2020-12-03 12:32:36,679 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-03 12:32:36,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-12-03 12:32:36,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2020-12-03 12:32:36,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-12-03 12:32:36,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 39 transitions. [2020-12-03 12:32:36,690 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 39 transitions. Word has length 9 [2020-12-03 12:32:36,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 12:32:36,691 INFO L481 AbstractCegarLoop]: Abstraction has 34 states and 39 transitions. [2020-12-03 12:32:36,691 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-03 12:32:36,691 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 39 transitions. [2020-12-03 12:32:36,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-03 12:32:36,692 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 12:32:36,692 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-03 12:32:36,905 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2020-12-03 12:32:36,905 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-03 12:32:36,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 12:32:36,906 INFO L82 PathProgramCache]: Analyzing trace with hash 845902566, now seen corresponding path program 1 times [2020-12-03 12:32:36,906 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-03 12:32:36,906 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1659470911] [2020-12-03 12:32:36,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dc6f70a2-4e12-4a21-89db-468f3950fda2/bin/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2020-12-03 12:32:36,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 12:32:36,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-03 12:32:36,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-03 12:32:37,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 12:32:37,033 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-03 12:32:37,033 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1659470911] [2020-12-03 12:32:37,033 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 12:32:37,034 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-03 12:32:37,034 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423586533] [2020-12-03 12:32:37,034 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-03 12:32:37,035 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-03 12:32:37,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-03 12:32:37,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-03 12:32:37,036 INFO L87 Difference]: Start difference. First operand 34 states and 39 transitions. Second operand 4 states. [2020-12-03 12:32:37,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 12:32:37,084 INFO L93 Difference]: Finished difference Result 33 states and 38 transitions. [2020-12-03 12:32:37,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-03 12:32:37,085 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-12-03 12:32:37,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 12:32:37,086 INFO L225 Difference]: With dead ends: 33 [2020-12-03 12:32:37,087 INFO L226 Difference]: Without dead ends: 33 [2020-12-03 12:32:37,088 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-03 12:32:37,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-12-03 12:32:37,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-12-03 12:32:37,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-12-03 12:32:37,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 38 transitions. [2020-12-03 12:32:37,101 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 38 transitions. Word has length 10 [2020-12-03 12:32:37,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 12:32:37,102 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 38 transitions. [2020-12-03 12:32:37,102 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-03 12:32:37,102 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2020-12-03 12:32:37,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-03 12:32:37,103 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 12:32:37,103 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-03 12:32:37,319 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2020-12-03 12:32:37,320 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-03 12:32:37,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 12:32:37,321 INFO L82 PathProgramCache]: Analyzing trace with hash 453175856, now seen corresponding path program 1 times [2020-12-03 12:32:37,321 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-03 12:32:37,321 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1654548932] [2020-12-03 12:32:37,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dc6f70a2-4e12-4a21-89db-468f3950fda2/bin/utaipan/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2020-12-03 12:32:37,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 12:32:37,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-03 12:32:37,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-03 12:32:37,432 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-12-03 12:32:37,433 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-03 12:32:37,439 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-03 12:32:37,440 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-03 12:32:37,441 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-12-03 12:32:37,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 12:32:37,465 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-03 12:32:37,466 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1654548932] [2020-12-03 12:32:37,466 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 12:32:37,466 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-03 12:32:37,467 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524609747] [2020-12-03 12:32:37,468 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-03 12:32:37,469 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-03 12:32:37,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-03 12:32:37,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-03 12:32:37,470 INFO L87 Difference]: Start difference. First operand 33 states and 38 transitions. Second operand 3 states. [2020-12-03 12:32:37,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 12:32:37,522 INFO L93 Difference]: Finished difference Result 38 states and 43 transitions. [2020-12-03 12:32:37,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-03 12:32:37,523 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-12-03 12:32:37,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 12:32:37,530 INFO L225 Difference]: With dead ends: 38 [2020-12-03 12:32:37,530 INFO L226 Difference]: Without dead ends: 38 [2020-12-03 12:32:37,531 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-03 12:32:37,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-12-03 12:32:37,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2020-12-03 12:32:37,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-12-03 12:32:37,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 43 transitions. [2020-12-03 12:32:37,545 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 43 transitions. Word has length 11 [2020-12-03 12:32:37,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 12:32:37,546 INFO L481 AbstractCegarLoop]: Abstraction has 38 states and 43 transitions. [2020-12-03 12:32:37,546 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-03 12:32:37,546 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 43 transitions. [2020-12-03 12:32:37,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-03 12:32:37,548 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 12:32:37,548 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-03 12:32:37,761 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2020-12-03 12:32:37,762 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-03 12:32:37,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 12:32:37,762 INFO L82 PathProgramCache]: Analyzing trace with hash 1163549737, now seen corresponding path program 1 times [2020-12-03 12:32:37,762 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-03 12:32:37,763 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [410662213] [2020-12-03 12:32:37,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dc6f70a2-4e12-4a21-89db-468f3950fda2/bin/utaipan/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2020-12-03 12:32:37,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 12:32:37,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-03 12:32:37,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-03 12:32:37,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 12:32:37,893 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-03 12:32:37,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [410662213] [2020-12-03 12:32:37,894 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 12:32:37,894 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-03 12:32:37,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780133047] [2020-12-03 12:32:37,895 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-03 12:32:37,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-03 12:32:37,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-03 12:32:37,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-03 12:32:37,901 INFO L87 Difference]: Start difference. First operand 38 states and 43 transitions. Second operand 4 states. [2020-12-03 12:32:37,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 12:32:37,960 INFO L93 Difference]: Finished difference Result 32 states and 36 transitions. [2020-12-03 12:32:37,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-03 12:32:37,961 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-12-03 12:32:37,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 12:32:37,962 INFO L225 Difference]: With dead ends: 32 [2020-12-03 12:32:37,962 INFO L226 Difference]: Without dead ends: 32 [2020-12-03 12:32:37,963 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-03 12:32:37,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-12-03 12:32:37,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2020-12-03 12:32:37,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-12-03 12:32:37,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 36 transitions. [2020-12-03 12:32:37,971 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 36 transitions. Word has length 12 [2020-12-03 12:32:37,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 12:32:37,972 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 36 transitions. [2020-12-03 12:32:37,972 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-03 12:32:37,972 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2020-12-03 12:32:37,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-03 12:32:37,973 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 12:32:37,974 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-03 12:32:38,187 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2020-12-03 12:32:38,188 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-03 12:32:38,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 12:32:38,189 INFO L82 PathProgramCache]: Analyzing trace with hash 702945990, now seen corresponding path program 1 times [2020-12-03 12:32:38,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-03 12:32:38,189 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2140959761] [2020-12-03 12:32:38,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dc6f70a2-4e12-4a21-89db-468f3950fda2/bin/utaipan/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2020-12-03 12:32:38,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 12:32:38,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-03 12:32:38,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-03 12:32:38,479 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 12:32:38,480 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-03 12:32:38,481 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2140959761] [2020-12-03 12:32:38,481 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 12:32:38,482 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-03 12:32:38,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602133127] [2020-12-03 12:32:38,482 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-03 12:32:38,482 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-03 12:32:38,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-03 12:32:38,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-12-03 12:32:38,484 INFO L87 Difference]: Start difference. First operand 32 states and 36 transitions. Second operand 6 states. [2020-12-03 12:32:38,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 12:32:38,594 INFO L93 Difference]: Finished difference Result 31 states and 35 transitions. [2020-12-03 12:32:38,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-03 12:32:38,595 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2020-12-03 12:32:38,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 12:32:38,596 INFO L225 Difference]: With dead ends: 31 [2020-12-03 12:32:38,596 INFO L226 Difference]: Without dead ends: 31 [2020-12-03 12:32:38,596 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2020-12-03 12:32:38,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-12-03 12:32:38,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-12-03 12:32:38,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-12-03 12:32:38,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 35 transitions. [2020-12-03 12:32:38,599 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 35 transitions. Word has length 13 [2020-12-03 12:32:38,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 12:32:38,599 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 35 transitions. [2020-12-03 12:32:38,599 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-03 12:32:38,599 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2020-12-03 12:32:38,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-03 12:32:38,599 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 12:32:38,600 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-03 12:32:38,807 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2020-12-03 12:32:38,808 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-03 12:32:38,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 12:32:38,808 INFO L82 PathProgramCache]: Analyzing trace with hash 702991736, now seen corresponding path program 1 times [2020-12-03 12:32:38,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-03 12:32:38,809 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [526272455] [2020-12-03 12:32:38,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dc6f70a2-4e12-4a21-89db-468f3950fda2/bin/utaipan/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2020-12-03 12:32:38,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 12:32:38,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-03 12:32:38,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-03 12:32:38,934 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 12:32:38,934 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-03 12:32:38,935 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [526272455] [2020-12-03 12:32:38,935 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 12:32:38,935 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-03 12:32:38,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935080801] [2020-12-03 12:32:38,936 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-03 12:32:38,936 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-03 12:32:38,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-03 12:32:38,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-03 12:32:38,937 INFO L87 Difference]: Start difference. First operand 31 states and 35 transitions. Second operand 6 states. [2020-12-03 12:32:39,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 12:32:39,123 INFO L93 Difference]: Finished difference Result 41 states and 41 transitions. [2020-12-03 12:32:39,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-03 12:32:39,124 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2020-12-03 12:32:39,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 12:32:39,125 INFO L225 Difference]: With dead ends: 41 [2020-12-03 12:32:39,125 INFO L226 Difference]: Without dead ends: 41 [2020-12-03 12:32:39,125 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-12-03 12:32:39,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-12-03 12:32:39,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 31. [2020-12-03 12:32:39,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-12-03 12:32:39,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 32 transitions. [2020-12-03 12:32:39,128 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 32 transitions. Word has length 13 [2020-12-03 12:32:39,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 12:32:39,128 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 32 transitions. [2020-12-03 12:32:39,128 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-03 12:32:39,128 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2020-12-03 12:32:39,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-03 12:32:39,129 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 12:32:39,129 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2020-12-03 12:32:39,336 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3 [2020-12-03 12:32:39,337 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-03 12:32:39,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 12:32:39,338 INFO L82 PathProgramCache]: Analyzing trace with hash 702993658, now seen corresponding path program 1 times [2020-12-03 12:32:39,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-03 12:32:39,338 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [796762390] [2020-12-03 12:32:39,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dc6f70a2-4e12-4a21-89db-468f3950fda2/bin/utaipan/mathsat Starting monitored process 14 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with mathsat -unsat_core_generation=3 [2020-12-03 12:32:39,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 12:32:39,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-03 12:32:39,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-03 12:32:39,483 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2020-12-03 12:32:39,484 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-03 12:32:39,497 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-03 12:32:39,498 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-03 12:32:39,499 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2020-12-03 12:32:39,563 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 12:32:39,563 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-03 12:32:40,081 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 12:32:40,081 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [796762390] [2020-12-03 12:32:40,081 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1378007286] [2020-12-03 12:32:40,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dc6f70a2-4e12-4a21-89db-468f3950fda2/bin/utaipan/cvc4 Starting monitored process 15 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with cvc4 --incremental --print-success --lang smt [2020-12-03 12:32:40,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 12:32:40,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-03 12:32:40,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-03 12:32:40,275 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2020-12-03 12:32:40,276 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-03 12:32:40,288 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-03 12:32:40,289 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-03 12:32:40,289 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2020-12-03 12:32:40,296 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 12:32:40,296 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-03 12:32:40,334 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 12:32:40,337 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1168467360] [2020-12-03 12:32:40,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dc6f70a2-4e12-4a21-89db-468f3950fda2/bin/utaipan/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-03 12:32:40,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 12:32:40,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-03 12:32:40,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-03 12:32:40,471 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2020-12-03 12:32:40,472 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-03 12:32:40,483 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-03 12:32:40,484 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-03 12:32:40,484 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2020-12-03 12:32:40,490 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 12:32:40,490 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-03 12:32:40,523 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 12:32:40,524 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2020-12-03 12:32:40,524 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 6, 6] total 11 [2020-12-03 12:32:40,524 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388053266] [2020-12-03 12:32:40,525 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-03 12:32:40,525 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-03 12:32:40,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-03 12:32:40,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2020-12-03 12:32:40,526 INFO L87 Difference]: Start difference. First operand 31 states and 32 transitions. Second operand 12 states. [2020-12-03 12:32:40,994 WARN L197 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 26 [2020-12-03 12:32:41,739 WARN L197 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2020-12-03 12:32:42,216 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-12-03 12:32:42,728 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2020-12-03 12:32:42,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 12:32:42,991 INFO L93 Difference]: Finished difference Result 112 states and 112 transitions. [2020-12-03 12:32:42,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-12-03 12:32:42,992 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 13 [2020-12-03 12:32:42,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 12:32:42,994 INFO L225 Difference]: With dead ends: 112 [2020-12-03 12:32:42,994 INFO L226 Difference]: Without dead ends: 112 [2020-12-03 12:32:42,994 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=168, Invalid=432, Unknown=0, NotChecked=0, Total=600 [2020-12-03 12:32:42,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2020-12-03 12:32:43,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 49. [2020-12-03 12:32:43,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-12-03 12:32:43,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 53 transitions. [2020-12-03 12:32:43,017 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 53 transitions. Word has length 13 [2020-12-03 12:32:43,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 12:32:43,017 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 53 transitions. [2020-12-03 12:32:43,017 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-12-03 12:32:43,017 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2020-12-03 12:32:43,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-03 12:32:43,018 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 12:32:43,018 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-03 12:32:43,632 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,14 mathsat -unsat_core_generation=3,15 cvc4 --incremental --print-success --lang smt [2020-12-03 12:32:43,632 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-03 12:32:43,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 12:32:43,633 INFO L82 PathProgramCache]: Analyzing trace with hash 1949553038, now seen corresponding path program 1 times [2020-12-03 12:32:43,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-03 12:32:43,637 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1278734567] [2020-12-03 12:32:43,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dc6f70a2-4e12-4a21-89db-468f3950fda2/bin/utaipan/mathsat Starting monitored process 17 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with mathsat -unsat_core_generation=3 [2020-12-03 12:32:43,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-03 12:32:43,709 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-03 12:32:43,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-03 12:32:43,748 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-03 12:32:43,782 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2020-12-03 12:32:43,782 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-03 12:32:43,983 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 mathsat -unsat_core_generation=3 [2020-12-03 12:32:43,996 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-03 12:32:43,997 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-03 12:32:44,000 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-03 12:32:44,001 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-03 12:32:44,001 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-03 12:32:44,001 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-03 12:32:44,002 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-03 12:32:44,002 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-03 12:32:44,002 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-03 12:32:44,002 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-03 12:32:44,003 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-03 12:32:44,004 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-03 12:32:44,004 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-03 12:32:44,004 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-03 12:32:44,005 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-03 12:32:44,005 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-03 12:32:44,008 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-03 12:32:44,008 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-03 12:32:44,008 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-03 12:32:44,009 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-03 12:32:44,009 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-03 12:32:44,013 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-03 12:32:44,013 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-03 12:32:44,013 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-03 12:32:44,014 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-03 12:32:44,014 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-03 12:32:44,019 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-03 12:32:44,019 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-03 12:32:44,020 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-03 12:32:44,020 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-03 12:32:44,020 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-03 12:32:44,020 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-03 12:32:44,021 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-03 12:32:44,021 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-03 12:32:44,021 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-03 12:32:44,021 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-03 12:32:44,022 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-03 12:32:44,025 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-03 12:32:44,027 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-03 12:32:44,028 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-03 12:32:44,028 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-03 12:32:44,028 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-03 12:32:44,028 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-03 12:32:44,029 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-03 12:32:44,029 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-03 12:32:44,029 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-03 12:32:44,029 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-03 12:32:44,030 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-03 12:32:44,030 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-03 12:32:44,030 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-03 12:32:44,030 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-03 12:32:44,031 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-03 12:32:44,031 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-03 12:32:44,031 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-03 12:32:44,031 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-03 12:32:44,031 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-03 12:32:44,032 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-03 12:32:44,032 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-03 12:32:44,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 12:32:44 BoogieIcfgContainer [2020-12-03 12:32:44,051 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-03 12:32:44,052 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-03 12:32:44,052 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-03 12:32:44,052 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-03 12:32:44,053 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:32:33" (3/4) ... [2020-12-03 12:32:44,055 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-03 12:32:44,057 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-03 12:32:44,057 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-03 12:32:44,057 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-03 12:32:44,058 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-03 12:32:44,058 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-03 12:32:44,058 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-03 12:32:44,058 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-03 12:32:44,058 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-03 12:32:44,059 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-03 12:32:44,059 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-03 12:32:44,059 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-03 12:32:44,059 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-03 12:32:44,059 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-03 12:32:44,060 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-03 12:32:44,060 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-03 12:32:44,060 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-03 12:32:44,060 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-03 12:32:44,060 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-03 12:32:44,061 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-03 12:32:44,061 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-03 12:32:44,061 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-03 12:32:44,061 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-03 12:32:44,061 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-03 12:32:44,062 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-03 12:32:44,062 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-03 12:32:44,062 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-03 12:32:44,062 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-03 12:32:44,062 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-03 12:32:44,063 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-03 12:32:44,063 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-03 12:32:44,063 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-03 12:32:44,063 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-03 12:32:44,063 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-03 12:32:44,064 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-03 12:32:44,064 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-03 12:32:44,064 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-03 12:32:44,064 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-03 12:32:44,064 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-03 12:32:44,065 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-03 12:32:44,065 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-03 12:32:44,065 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-03 12:32:44,065 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-03 12:32:44,065 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-03 12:32:44,066 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-03 12:32:44,066 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-03 12:32:44,066 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-03 12:32:44,066 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-03 12:32:44,066 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-03 12:32:44,067 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-03 12:32:44,067 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-03 12:32:44,067 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-03 12:32:44,067 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-03 12:32:44,067 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-03 12:32:44,068 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-03 12:32:44,068 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-03 12:32:44,068 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-03 12:32:44,068 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-03 12:32:44,068 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-03 12:32:44,118 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_dc6f70a2-4e12-4a21-89db-468f3950fda2/bin/utaipan/witness.graphml [2020-12-03 12:32:44,118 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-03 12:32:44,119 INFO L168 Benchmark]: Toolchain (without parser) took 12510.81 ms. Allocated memory was 73.4 MB in the beginning and 92.3 MB in the end (delta: 18.9 MB). Free memory was 57.4 MB in the beginning and 46.5 MB in the end (delta: 10.9 MB). Peak memory consumption was 29.7 MB. Max. memory is 16.1 GB. [2020-12-03 12:32:44,124 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 73.4 MB. Free memory is still 56.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 12:32:44,125 INFO L168 Benchmark]: CACSL2BoogieTranslator took 727.36 ms. Allocated memory is still 73.4 MB. Free memory was 57.1 MB in the beginning and 55.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 27.5 MB. Max. memory is 16.1 GB. [2020-12-03 12:32:44,126 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.28 ms. Allocated memory is still 73.4 MB. Free memory was 55.1 MB in the beginning and 53.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-03 12:32:44,126 INFO L168 Benchmark]: Boogie Preprocessor took 48.74 ms. Allocated memory is still 73.4 MB. Free memory was 53.2 MB in the beginning and 51.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-03 12:32:44,126 INFO L168 Benchmark]: RCFGBuilder took 601.92 ms. Allocated memory is still 73.4 MB. Free memory was 51.8 MB in the beginning and 32.8 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-12-03 12:32:44,127 INFO L168 Benchmark]: TraceAbstraction took 11002.27 ms. Allocated memory was 73.4 MB in the beginning and 92.3 MB in the end (delta: 18.9 MB). Free memory was 32.6 MB in the beginning and 51.6 MB in the end (delta: -19.1 MB). Peak memory consumption was 64.4 kB. Max. memory is 16.1 GB. [2020-12-03 12:32:44,127 INFO L168 Benchmark]: Witness Printer took 66.10 ms. Allocated memory is still 92.3 MB. Free memory was 51.6 MB in the beginning and 46.5 MB in the end (delta: 5.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-03 12:32:44,130 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 73.4 MB. Free memory is still 56.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 727.36 ms. Allocated memory is still 73.4 MB. Free memory was 57.1 MB in the beginning and 55.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 27.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 58.28 ms. Allocated memory is still 73.4 MB. Free memory was 55.1 MB in the beginning and 53.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 48.74 ms. Allocated memory is still 73.4 MB. Free memory was 53.2 MB in the beginning and 51.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 601.92 ms. Allocated memory is still 73.4 MB. Free memory was 51.8 MB in the beginning and 32.8 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 11002.27 ms. Allocated memory was 73.4 MB in the beginning and 92.3 MB in the end (delta: 18.9 MB). Free memory was 32.6 MB in the beginning and 51.6 MB in the end (delta: -19.1 MB). Peak memory consumption was 64.4 kB. Max. memory is 16.1 GB. * Witness Printer took 66.10 ms. Allocated memory is still 92.3 MB. Free memory was 51.6 MB in the beginning and 46.5 MB in the end (delta: 5.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 538]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L512] int num; [L513] int ind, newsize, i = 1; VAL [i=1, ind=0, newsize=0, num=0] [L528] num = __VERIFIER_nondet_int() [L529] COND FALSE !(!(num > 0 && num < 100)) [L532] int *a = (int *)malloc(sizeof(int)); VAL [i=1, ind=0, newsize=0, num=1] [L533] COND FALSE !(a == ((void *)0)) [L536] newsize = 0 [L515] int *a = (int *)arg; [L516] int *b = ((void *)0); VAL [i=1, ind=0, newsize=0, num=1] [L517] COND TRUE newsize < num [L518] newsize = newsize + 1 [L519] b = realloc(a, sizeof(int) * newsize) [L520] b[newsize - 1] = i VAL [i=1, ind=0, newsize=1, num=1] [L521] a = b VAL [i=1, ind=0, newsize=1, num=1] [L517] COND FALSE !(newsize < num) VAL [i=1, ind=0, newsize=1, num=1] [L523] COND TRUE b != ((void *)0) VAL [i=1, ind=0, newsize=1, num=1] [L524] free(b) VAL [i=1, ind=0, newsize=1, num=1] [L524] free(b) VAL [i=1, ind=0, newsize=1, num=1] [L524] free(b) [L525] return 0; VAL [i=1, ind=0, newsize=1, num=1] [L538] free(a) VAL [i=1, ind=0, newsize=1, num=1] [L538] free(a) VAL [i=1, ind=0, newsize=1, num=1] [L538] free(a) VAL [i=1, ind=0, newsize=1, num=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 30 locations, 9 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 10.8s, OverallIterations: 14, TraceHistogramMax: 2, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 316 SDtfs, 777 SDslu, 299 SDs, 0 SdLazy, 418 SolverSat, 27 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 192 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 13 MinimizatonAttempts, 150 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 166 NumberOfCodeBlocks, 166 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 168 ConstructedInterpolants, 10 QuantifiedInterpolants, 11039 SizeOfPredicates, 33 NumberOfNonLiveVariables, 813 ConjunctsInSsa, 79 ConjunctsInUnsatCore, 18 InterpolantComputations, 12 PerfectInterpolantSequences, 5/29 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...