./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_cea7471e-2875-473e-b8f2-810a2bad2656/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_cea7471e-2875-473e-b8f2-810a2bad2656/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cea7471e-2875-473e-b8f2-810a2bad2656/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cea7471e-2875-473e-b8f2-810a2bad2656/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i -s /tmp/vcloud-vcloud-master/worker/run_dir_cea7471e-2875-473e-b8f2-810a2bad2656/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cea7471e-2875-473e-b8f2-810a2bad2656/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 05263e1a00e36e758633b8fa4d2ee72b914ab3e1 ........................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_cea7471e-2875-473e-b8f2-810a2bad2656/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_cea7471e-2875-473e-b8f2-810a2bad2656/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cea7471e-2875-473e-b8f2-810a2bad2656/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cea7471e-2875-473e-b8f2-810a2bad2656/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i -s /tmp/vcloud-vcloud-master/worker/run_dir_cea7471e-2875-473e-b8f2-810a2bad2656/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cea7471e-2875-473e-b8f2-810a2bad2656/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 05263e1a00e36e758633b8fa4d2ee72b914ab3e1 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 13:43:53,790 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:43:53,792 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:43:53,799 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:43:53,799 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:43:53,800 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:43:53,801 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:43:53,802 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:43:53,803 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:43:53,804 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:43:53,805 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:43:53,805 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:43:53,806 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:43:53,806 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:43:53,807 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:43:53,808 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:43:53,808 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:43:53,809 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:43:53,810 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:43:53,812 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:43:53,813 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:43:53,814 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:43:53,815 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:43:53,815 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:43:53,817 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:43:53,817 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:43:53,817 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:43:53,818 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:43:53,818 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:43:53,818 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:43:53,819 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:43:53,819 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:43:53,819 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:43:53,820 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:43:53,820 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:43:53,821 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:43:53,821 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:43:53,821 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:43:53,821 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:43:53,822 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:43:53,822 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:43:53,823 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cea7471e-2875-473e-b8f2-810a2bad2656/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2019-12-07 13:43:53,832 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:43:53,832 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:43:53,833 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 13:43:53,833 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 13:43:53,833 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 13:43:53,833 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 13:43:53,833 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 13:43:53,833 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 13:43:53,834 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 13:43:53,834 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 13:43:53,834 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 13:43:53,834 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 13:43:53,834 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 13:43:53,834 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 13:43:53,834 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 13:43:53,834 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 13:43:53,835 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 13:43:53,835 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:43:53,835 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:43:53,835 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 13:43:53,835 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 13:43:53,835 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:43:53,835 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:43:53,835 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-07 13:43:53,836 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-07 13:43:53,836 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-07 13:43:53,836 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 13:43:53,836 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 13:43:53,836 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:43:53,836 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:43:53,836 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:43:53,836 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 13:43:53,837 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 13:43:53,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:43:53,837 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:43:53,837 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 13:43:53,837 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 13:43:53,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 13:43:53,837 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:43:53,837 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 13:43:53,837 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_cea7471e-2875-473e-b8f2-810a2bad2656/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 -> 05263e1a00e36e758633b8fa4d2ee72b914ab3e1 [2019-12-07 13:43:53,935 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:43:53,943 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:43:53,945 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:43:53,946 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:43:53,946 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:43:53,947 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cea7471e-2875-473e-b8f2-810a2bad2656/bin/utaipan/../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i [2019-12-07 13:43:53,983 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cea7471e-2875-473e-b8f2-810a2bad2656/bin/utaipan/data/802ada7a3/f61eb63216744406a6ad991cf5f49cd4/FLAGfc875b5bc [2019-12-07 13:43:54,449 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:43:54,450 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cea7471e-2875-473e-b8f2-810a2bad2656/sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i [2019-12-07 13:43:54,461 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cea7471e-2875-473e-b8f2-810a2bad2656/bin/utaipan/data/802ada7a3/f61eb63216744406a6ad991cf5f49cd4/FLAGfc875b5bc [2019-12-07 13:43:54,966 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cea7471e-2875-473e-b8f2-810a2bad2656/bin/utaipan/data/802ada7a3/f61eb63216744406a6ad991cf5f49cd4 [2019-12-07 13:43:54,968 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:43:54,969 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:43:54,970 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:43:54,970 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:43:54,972 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:43:54,973 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:43:54" (1/1) ... [2019-12-07 13:43:54,974 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dd5798b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:43:54, skipping insertion in model container [2019-12-07 13:43:54,975 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:43:54" (1/1) ... [2019-12-07 13:43:54,979 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:43:55,007 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:43:55,250 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:43:55,264 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2019-12-07 13:43:55,264 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@53a1940 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:43:55, skipping insertion in model container [2019-12-07 13:43:55,264 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:43:55,265 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 13:43:55,266 INFO L168 Benchmark]: Toolchain (without parser) took 296.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 937.2 MB in the beginning and 1.1 GB in the end (delta: -150.3 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-12-07 13:43:55,267 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 957.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:43:55,267 INFO L168 Benchmark]: CACSL2BoogieTranslator took 294.82 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 937.2 MB in the beginning and 1.1 GB in the end (delta: -150.3 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-12-07 13:43:55,269 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 957.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 294.82 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 937.2 MB in the beginning and 1.1 GB in the end (delta: -150.3 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 13:43:56,403 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:43:56,404 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:43:56,412 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:43:56,412 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:43:56,413 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:43:56,414 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:43:56,415 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:43:56,416 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:43:56,417 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:43:56,417 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:43:56,418 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:43:56,418 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:43:56,419 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:43:56,420 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:43:56,421 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:43:56,421 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:43:56,422 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:43:56,423 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:43:56,425 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:43:56,426 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:43:56,427 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:43:56,427 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:43:56,428 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:43:56,430 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:43:56,430 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:43:56,430 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:43:56,431 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:43:56,431 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:43:56,432 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:43:56,432 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:43:56,432 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:43:56,433 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:43:56,433 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:43:56,434 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:43:56,434 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:43:56,435 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:43:56,435 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:43:56,435 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:43:56,435 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:43:56,436 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:43:56,436 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cea7471e-2875-473e-b8f2-810a2bad2656/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2019-12-07 13:43:56,447 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:43:56,447 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:43:56,447 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 13:43:56,448 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 13:43:56,448 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 13:43:56,448 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 13:43:56,448 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 13:43:56,448 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 13:43:56,448 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 13:43:56,449 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 13:43:56,449 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 13:43:56,449 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:43:56,449 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:43:56,449 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 13:43:56,449 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 13:43:56,449 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:43:56,450 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:43:56,450 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-07 13:43:56,450 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-07 13:43:56,450 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-07 13:43:56,451 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 13:43:56,451 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 13:43:56,451 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 13:43:56,451 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 13:43:56,451 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:43:56,451 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:43:56,451 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:43:56,451 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 13:43:56,452 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 13:43:56,452 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 13:43:56,452 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:43:56,452 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:43:56,452 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 13:43:56,452 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 13:43:56,452 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 13:43:56,452 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:43:56,453 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 13:43:56,453 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_cea7471e-2875-473e-b8f2-810a2bad2656/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 -> 05263e1a00e36e758633b8fa4d2ee72b914ab3e1 [2019-12-07 13:43:56,610 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:43:56,619 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:43:56,621 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:43:56,622 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:43:56,622 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:43:56,623 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cea7471e-2875-473e-b8f2-810a2bad2656/bin/utaipan/../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i [2019-12-07 13:43:56,661 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cea7471e-2875-473e-b8f2-810a2bad2656/bin/utaipan/data/4332671be/7df5eacf40874a089350f83b40d0918d/FLAG745a53dd2 [2019-12-07 13:43:57,092 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:43:57,093 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cea7471e-2875-473e-b8f2-810a2bad2656/sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i [2019-12-07 13:43:57,102 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cea7471e-2875-473e-b8f2-810a2bad2656/bin/utaipan/data/4332671be/7df5eacf40874a089350f83b40d0918d/FLAG745a53dd2 [2019-12-07 13:43:57,435 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cea7471e-2875-473e-b8f2-810a2bad2656/bin/utaipan/data/4332671be/7df5eacf40874a089350f83b40d0918d [2019-12-07 13:43:57,437 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:43:57,438 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:43:57,438 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:43:57,438 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:43:57,440 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:43:57,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:43:57" (1/1) ... [2019-12-07 13:43:57,442 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@738e1cee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:43:57, skipping insertion in model container [2019-12-07 13:43:57,443 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:43:57" (1/1) ... [2019-12-07 13:43:57,447 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:43:57,473 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:43:57,720 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:43:57,734 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 13:43:57,745 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:43:57,776 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:43:57,781 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 13:43:57,814 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:43:57,866 INFO L208 MainTranslator]: Completed translation [2019-12-07 13:43:57,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:43:57 WrapperNode [2019-12-07 13:43:57,866 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:43:57,867 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 13:43:57,867 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 13:43:57,867 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 13:43:57,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:43:57" (1/1) ... [2019-12-07 13:43:57,888 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:43:57" (1/1) ... [2019-12-07 13:43:57,901 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 13:43:57,902 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 13:43:57,902 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 13:43:57,902 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 13:43:57,908 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:43:57" (1/1) ... [2019-12-07 13:43:57,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:43:57" (1/1) ... [2019-12-07 13:43:57,910 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:43:57" (1/1) ... [2019-12-07 13:43:57,910 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:43:57" (1/1) ... [2019-12-07 13:43:57,915 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:43:57" (1/1) ... [2019-12-07 13:43:57,916 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:43:57" (1/1) ... [2019-12-07 13:43:57,917 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:43:57" (1/1) ... [2019-12-07 13:43:57,919 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 13:43:57,919 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 13:43:57,919 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 13:43:57,919 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 13:43:57,920 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:43:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cea7471e-2875-473e-b8f2-810a2bad2656/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:43:57,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 13:43:57,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 13:43:57,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 13:43:57,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-12-07 13:43:57,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 13:43:57,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 13:43:58,094 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 13:43:58,095 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-07 13:43:58,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:43:58 BoogieIcfgContainer [2019-12-07 13:43:58,096 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 13:43:58,096 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 13:43:58,096 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 13:43:58,100 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 13:43:58,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:43:57" (1/3) ... [2019-12-07 13:43:58,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@748bb171 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:43:58, skipping insertion in model container [2019-12-07 13:43:58,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:43:57" (2/3) ... [2019-12-07 13:43:58,101 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@748bb171 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:43:58, skipping insertion in model container [2019-12-07 13:43:58,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:43:58" (3/3) ... [2019-12-07 13:43:58,102 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test1-3.i [2019-12-07 13:43:58,108 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 13:43:58,112 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-12-07 13:43:58,119 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-07 13:43:58,130 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 13:43:58,131 INFO L374 AbstractCegarLoop]: Hoare is false [2019-12-07 13:43:58,131 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 13:43:58,131 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 13:43:58,131 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 13:43:58,131 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 13:43:58,131 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 13:43:58,131 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 13:43:58,139 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2019-12-07 13:43:58,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-07 13:43:58,144 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:43:58,144 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-12-07 13:43:58,145 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE]=== [2019-12-07 13:43:58,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:43:58,148 INFO L82 PathProgramCache]: Analyzing trace with hash 28693827, now seen corresponding path program 1 times [2019-12-07 13:43:58,156 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:43:58,156 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [273334100] [2019-12-07 13:43:58,156 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cea7471e-2875-473e-b8f2-810a2bad2656/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 13:43:58,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:43:58,206 INFO L264 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 13:43:58,209 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:43:58,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:43:58,236 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:43:58,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:43:58,243 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [273334100] [2019-12-07 13:43:58,244 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:43:58,244 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 13:43:58,245 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369917985] [2019-12-07 13:43:58,249 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:43:58,249 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:43:58,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:43:58,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:43:58,264 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 4 states. [2019-12-07 13:43:58,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:43:58,295 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2019-12-07 13:43:58,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 13:43:58,296 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2019-12-07 13:43:58,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:43:58,303 INFO L225 Difference]: With dead ends: 13 [2019-12-07 13:43:58,303 INFO L226 Difference]: Without dead ends: 11 [2019-12-07 13:43:58,304 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-07 13:43:58,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2019-12-07 13:43:58,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-12-07 13:43:58,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-12-07 13:43:58,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2019-12-07 13:43:58,326 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 5 [2019-12-07 13:43:58,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:43:58,326 INFO L462 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2019-12-07 13:43:58,326 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:43:58,327 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2019-12-07 13:43:58,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-07 13:43:58,327 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:43:58,327 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-07 13:43:58,528 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 13:43:58,528 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE]=== [2019-12-07 13:43:58,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:43:58,529 INFO L82 PathProgramCache]: Analyzing trace with hash 889508680, now seen corresponding path program 1 times [2019-12-07 13:43:58,530 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:43:58,531 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [47206372] [2019-12-07 13:43:58,531 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cea7471e-2875-473e-b8f2-810a2bad2656/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 [2019-12-07 13:43:58,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:43:58,607 INFO L264 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 13:43:58,608 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:43:58,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:43:58,641 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:43:58,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:43:58,664 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [47206372] [2019-12-07 13:43:58,665 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:43:58,665 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 6 [2019-12-07 13:43:58,665 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300002396] [2019-12-07 13:43:58,666 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-07 13:43:58,666 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:43:58,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 13:43:58,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 13:43:58,666 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand 7 states. [2019-12-07 13:43:58,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:43:58,754 INFO L93 Difference]: Finished difference Result 17 states and 16 transitions. [2019-12-07 13:43:58,755 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 13:43:58,755 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 6 [2019-12-07 13:43:58,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:43:58,755 INFO L225 Difference]: With dead ends: 17 [2019-12-07 13:43:58,755 INFO L226 Difference]: Without dead ends: 17 [2019-12-07 13:43:58,756 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2019-12-07 13:43:58,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-12-07 13:43:58,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 10. [2019-12-07 13:43:58,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-12-07 13:43:58,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2019-12-07 13:43:58,758 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 6 [2019-12-07 13:43:58,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:43:58,758 INFO L462 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2019-12-07 13:43:58,758 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-07 13:43:58,758 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2019-12-07 13:43:58,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-07 13:43:58,759 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:43:58,759 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:43:58,959 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 13:43:58,960 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE]=== [2019-12-07 13:43:58,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:43:58,961 INFO L82 PathProgramCache]: Analyzing trace with hash 1804965349, now seen corresponding path program 1 times [2019-12-07 13:43:58,962 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:43:58,962 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1275068881] [2019-12-07 13:43:58,962 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cea7471e-2875-473e-b8f2-810a2bad2656/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 [2019-12-07 13:43:59,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:43:59,030 INFO L264 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 13:43:59,031 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:43:59,058 INFO L377 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 [2019-12-07 13:43:59,059 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 13:43:59,061 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 13:43:59,062 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-12-07 13:43:59,062 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-12-07 13:43:59,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:43:59,070 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:43:59,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:43:59,074 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1275068881] [2019-12-07 13:43:59,074 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:43:59,074 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 13:43:59,074 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026942278] [2019-12-07 13:43:59,074 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:43:59,074 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:43:59,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:43:59,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:43:59,075 INFO L87 Difference]: Start difference. First operand 10 states and 10 transitions. Second operand 4 states. [2019-12-07 13:43:59,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:43:59,104 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2019-12-07 13:43:59,104 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 13:43:59,104 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-12-07 13:43:59,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:43:59,105 INFO L225 Difference]: With dead ends: 14 [2019-12-07 13:43:59,105 INFO L226 Difference]: Without dead ends: 14 [2019-12-07 13:43:59,105 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-07 13:43:59,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2019-12-07 13:43:59,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2019-12-07 13:43:59,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-12-07 13:43:59,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2019-12-07 13:43:59,108 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 7 [2019-12-07 13:43:59,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:43:59,108 INFO L462 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2019-12-07 13:43:59,109 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:43:59,109 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2019-12-07 13:43:59,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-07 13:43:59,109 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:43:59,109 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:43:59,310 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 13:43:59,311 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE]=== [2019-12-07 13:43:59,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:43:59,312 INFO L82 PathProgramCache]: Analyzing trace with hash 1806812391, now seen corresponding path program 1 times [2019-12-07 13:43:59,313 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:43:59,314 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [10913061] [2019-12-07 13:43:59,315 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cea7471e-2875-473e-b8f2-810a2bad2656/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 [2019-12-07 13:43:59,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:43:59,382 INFO L264 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 13:43:59,383 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:43:59,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:43:59,392 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:43:59,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:43:59,393 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [10913061] [2019-12-07 13:43:59,394 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:43:59,394 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 13:43:59,394 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468733526] [2019-12-07 13:43:59,394 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:43:59,394 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:43:59,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:43:59,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:43:59,395 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand 4 states. [2019-12-07 13:43:59,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:43:59,414 INFO L93 Difference]: Finished difference Result 15 states and 14 transitions. [2019-12-07 13:43:59,415 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 13:43:59,415 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-12-07 13:43:59,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:43:59,416 INFO L225 Difference]: With dead ends: 15 [2019-12-07 13:43:59,416 INFO L226 Difference]: Without dead ends: 15 [2019-12-07 13:43:59,416 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-07 13:43:59,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2019-12-07 13:43:59,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 9. [2019-12-07 13:43:59,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-12-07 13:43:59,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2019-12-07 13:43:59,418 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2019-12-07 13:43:59,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:43:59,418 INFO L462 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2019-12-07 13:43:59,418 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:43:59,418 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2019-12-07 13:43:59,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-07 13:43:59,419 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:43:59,419 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:43:59,619 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 13:43:59,619 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE]=== [2019-12-07 13:43:59,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:43:59,620 INFO L82 PathProgramCache]: Analyzing trace with hash 119351020, now seen corresponding path program 1 times [2019-12-07 13:43:59,620 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:43:59,620 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1470099649] [2019-12-07 13:43:59,620 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cea7471e-2875-473e-b8f2-810a2bad2656/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 [2019-12-07 13:43:59,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:43:59,652 INFO L264 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 13:43:59,653 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:43:59,670 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 13:43:59,670 INFO L377 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 [2019-12-07 13:43:59,671 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 13:43:59,684 INFO L614 ElimStorePlain]: treesize reduction 10, result has 60.0 percent of original size [2019-12-07 13:43:59,684 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 13:43:59,687 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 13:43:59,687 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:9, output treesize:15 [2019-12-07 13:43:59,687 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 13:43:59,695 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 13:43:59,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:43:59,791 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:44:01,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:44:01,856 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1470099649] [2019-12-07 13:44:01,856 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:44:01,856 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 10 [2019-12-07 13:44:01,857 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372880420] [2019-12-07 13:44:01,857 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-12-07 13:44:01,857 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:44:01,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-12-07 13:44:01,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=78, Unknown=1, NotChecked=0, Total=110 [2019-12-07 13:44:01,858 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 11 states. [2019-12-07 13:44:03,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:44:03,993 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2019-12-07 13:44:03,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 13:44:03,993 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 8 [2019-12-07 13:44:03,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:44:03,994 INFO L225 Difference]: With dead ends: 14 [2019-12-07 13:44:03,994 INFO L226 Difference]: Without dead ends: 9 [2019-12-07 13:44:03,994 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=47, Invalid=108, Unknown=1, NotChecked=0, Total=156 [2019-12-07 13:44:03,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2019-12-07 13:44:03,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2019-12-07 13:44:03,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-12-07 13:44:03,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2019-12-07 13:44:03,996 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 8 [2019-12-07 13:44:03,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:44:03,996 INFO L462 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2019-12-07 13:44:03,996 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-12-07 13:44:03,996 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2019-12-07 13:44:03,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-07 13:44:03,996 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:44:03,996 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:44:04,197 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 13:44:04,198 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE]=== [2019-12-07 13:44:04,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:44:04,199 INFO L82 PathProgramCache]: Analyzing trace with hash 176609322, now seen corresponding path program 1 times [2019-12-07 13:44:04,199 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:44:04,200 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [668741010] [2019-12-07 13:44:04,200 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cea7471e-2875-473e-b8f2-810a2bad2656/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 [2019-12-07 13:44:04,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:44:04,269 INFO L264 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 13:44:04,270 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:44:04,278 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2019-12-07 13:44:04,278 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 13:44:04,287 INFO L614 ElimStorePlain]: treesize reduction 4, result has 73.3 percent of original size [2019-12-07 13:44:04,288 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 13:44:04,288 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:11 [2019-12-07 13:44:04,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:44:04,357 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:44:04,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:44:04,401 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [668741010] [2019-12-07 13:44:04,402 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:44:04,402 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 9 [2019-12-07 13:44:04,402 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463502775] [2019-12-07 13:44:04,402 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-12-07 13:44:04,402 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:44:04,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-12-07 13:44:04,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2019-12-07 13:44:04,403 INFO L87 Difference]: Start difference. First operand 9 states and 8 transitions. Second operand 11 states. [2019-12-07 13:44:04,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:44:04,435 INFO L93 Difference]: Finished difference Result 8 states and 7 transitions. [2019-12-07 13:44:04,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 13:44:04,435 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 8 [2019-12-07 13:44:04,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:44:04,436 INFO L225 Difference]: With dead ends: 8 [2019-12-07 13:44:04,436 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 13:44:04,436 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2019-12-07 13:44:04,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 13:44:04,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 13:44:04,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 13:44:04,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 13:44:04,437 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2019-12-07 13:44:04,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:44:04,437 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 13:44:04,437 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-12-07 13:44:04,437 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 13:44:04,437 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 13:44:04,638 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 13:44:04,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 01:44:04 BoogieIcfgContainer [2019-12-07 13:44:04,649 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 13:44:04,650 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 13:44:04,650 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 13:44:04,651 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 13:44:04,652 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:43:58" (3/4) ... [2019-12-07 13:44:04,659 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 13:44:04,677 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2019-12-07 13:44:04,678 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 13:44:04,678 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 13:44:04,708 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_cea7471e-2875-473e-b8f2-810a2bad2656/bin/utaipan/witness.graphml [2019-12-07 13:44:04,708 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 13:44:04,709 INFO L168 Benchmark]: Toolchain (without parser) took 7271.90 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 947.0 MB in the beginning and 863.9 MB in the end (delta: 83.1 MB). Peak memory consumption was 202.1 MB. Max. memory is 11.5 GB. [2019-12-07 13:44:04,710 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:44:04,710 INFO L168 Benchmark]: CACSL2BoogieTranslator took 428.49 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -132.3 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2019-12-07 13:44:04,710 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 13:44:04,710 INFO L168 Benchmark]: Boogie Preprocessor took 17.04 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:44:04,711 INFO L168 Benchmark]: RCFGBuilder took 176.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2019-12-07 13:44:04,711 INFO L168 Benchmark]: TraceAbstraction took 6553.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 863.9 MB in the end (delta: 183.9 MB). Peak memory consumption was 183.9 MB. Max. memory is 11.5 GB. [2019-12-07 13:44:04,711 INFO L168 Benchmark]: Witness Printer took 58.43 ms. Allocated memory is still 1.1 GB. Free memory is still 863.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:44:04,713 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 428.49 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -132.3 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.04 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 176.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6553.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 863.9 MB in the end (delta: 183.9 MB). Peak memory consumption was 183.9 MB. Max. memory is 11.5 GB. * Witness Printer took 58.43 ms. Allocated memory is still 1.1 GB. Free memory is still 863.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 761]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 759]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 759]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 759]: free always succeeds For all program executions holds that free always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 14 locations, 4 error locations. Result: SAFE, OverallTime: 6.5s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 44 SDtfs, 76 SDslu, 41 SDs, 0 SdLazy, 120 SolverSat, 14 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 13 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 70 ConstructedInterpolants, 15 QuantifiedInterpolants, 3107 SizeOfPredicates, 15 NumberOfNonLiveVariables, 189 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...