./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_44a82c2b-f6b9-401f-9f7b-a9a2341997d1/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_44a82c2b-f6b9-401f-9f7b-a9a2341997d1/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_44a82c2b-f6b9-401f-9f7b-a9a2341997d1/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_44a82c2b-f6b9-401f-9f7b-a9a2341997d1/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_44a82c2b-f6b9-401f-9f7b-a9a2341997d1/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_44a82c2b-f6b9-401f-9f7b-a9a2341997d1/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0cc23406006a3a1e447c6e8a913f53a10dcbb620 ............................................................................................................................................ 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_44a82c2b-f6b9-401f-9f7b-a9a2341997d1/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_44a82c2b-f6b9-401f-9f7b-a9a2341997d1/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_44a82c2b-f6b9-401f-9f7b-a9a2341997d1/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_44a82c2b-f6b9-401f-9f7b-a9a2341997d1/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_44a82c2b-f6b9-401f-9f7b-a9a2341997d1/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_44a82c2b-f6b9-401f-9f7b-a9a2341997d1/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0cc23406006a3a1e447c6e8a913f53a10dcbb620 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:39:19,815 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:39:19,824 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:39:19,885 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:39:19,886 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:39:19,887 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:39:19,893 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:39:19,897 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:39:19,900 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:39:19,906 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:39:19,907 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:39:19,909 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:39:19,910 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:39:19,913 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:39:19,915 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:39:19,917 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:39:19,918 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:39:19,919 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:39:19,925 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:39:19,933 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:39:19,935 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:39:19,937 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:39:19,939 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:39:19,940 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:39:19,949 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:39:19,950 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:39:19,950 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:39:19,952 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:39:19,953 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:39:19,954 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:39:19,955 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:39:19,956 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:39:19,958 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:39:19,959 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:39:19,960 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:39:19,960 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:39:19,961 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:39:19,962 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:39:19,962 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:39:19,963 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:39:19,964 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:39:19,966 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_44a82c2b-f6b9-401f-9f7b-a9a2341997d1/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-28 07:39:20,006 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:39:20,007 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:39:20,008 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:39:20,008 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:39:20,009 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:39:20,009 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:39:20,009 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-28 07:39:20,009 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:39:20,010 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:39:20,010 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-28 07:39:20,011 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-28 07:39:20,011 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:39:20,011 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-28 07:39:20,012 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-28 07:39:20,012 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-28 07:39:20,013 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:39:20,013 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:39:20,013 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:39:20,013 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:39:20,013 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:39:20,014 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:39:20,014 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:39:20,014 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:39:20,014 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:39:20,014 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:39:20,015 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:39:20,015 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:39:20,015 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:39:20,015 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:39:20,017 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:39:20,017 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:39:20,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:39:20,017 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:39:20,018 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:39:20,018 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:39:20,018 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-28 07:39:20,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 07:39:20,018 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:39:20,019 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:39:20,019 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:39:20,019 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_44a82c2b-f6b9-401f-9f7b-a9a2341997d1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_44a82c2b-f6b9-401f-9f7b-a9a2341997d1/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cc23406006a3a1e447c6e8a913f53a10dcbb620 [2020-11-28 07:39:20,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:39:20,274 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:39:20,277 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:39:20,278 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:39:20,279 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:39:20,280 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_44a82c2b-f6b9-401f-9f7b-a9a2341997d1/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c [2020-11-28 07:39:20,359 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_44a82c2b-f6b9-401f-9f7b-a9a2341997d1/bin/utaipan/data/9dc210856/ba8c890d3a224113ad31ac8e50a56e94/FLAGec9e32566 [2020-11-28 07:39:20,916 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:39:20,917 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_44a82c2b-f6b9-401f-9f7b-a9a2341997d1/sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c [2020-11-28 07:39:20,930 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_44a82c2b-f6b9-401f-9f7b-a9a2341997d1/bin/utaipan/data/9dc210856/ba8c890d3a224113ad31ac8e50a56e94/FLAGec9e32566 [2020-11-28 07:39:21,213 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_44a82c2b-f6b9-401f-9f7b-a9a2341997d1/bin/utaipan/data/9dc210856/ba8c890d3a224113ad31ac8e50a56e94 [2020-11-28 07:39:21,215 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:39:21,217 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:39:21,218 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:39:21,218 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:39:21,227 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:39:21,230 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:39:21" (1/1) ... [2020-11-28 07:39:21,231 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@190175e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:21, skipping insertion in model container [2020-11-28 07:39:21,232 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:39:21" (1/1) ... [2020-11-28 07:39:21,243 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:39:21,299 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:39:21,646 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:39:21,657 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) [2020-11-28 07:39:21,663 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3fee5505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:21, skipping insertion in model container [2020-11-28 07:39:21,664 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:39:21,664 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 07:39:21,667 INFO L168 Benchmark]: Toolchain (without parser) took 448.36 ms. Allocated memory is still 102.8 MB. Free memory was 77.3 MB in the beginning and 77.1 MB in the end (delta: 170.9 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:21,668 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 102.8 MB. Free memory was 62.4 MB in the beginning and 62.3 MB in the end (delta: 55.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:39:21,669 INFO L168 Benchmark]: CACSL2BoogieTranslator took 446.18 ms. Allocated memory is still 102.8 MB. Free memory was 77.3 MB in the beginning and 77.1 MB in the end (delta: 170.9 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:21,673 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 102.8 MB. Free memory was 62.4 MB in the beginning and 62.3 MB in the end (delta: 55.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 446.18 ms. Allocated memory is still 102.8 MB. Free memory was 77.3 MB in the beginning and 77.1 MB in the end (delta: 170.9 kB). 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: 108]: 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-a4ecdab [2020-11-28 07:39:23,876 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:39:23,878 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:39:23,913 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:39:23,914 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:39:23,915 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:39:23,917 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:39:23,920 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:39:23,922 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:39:23,924 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:39:23,925 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:39:23,927 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:39:23,927 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:39:23,929 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:39:23,930 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:39:23,932 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:39:23,933 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:39:23,935 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:39:23,937 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:39:23,940 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:39:23,943 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:39:23,944 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:39:23,946 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:39:23,947 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:39:23,951 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:39:23,952 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:39:23,952 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:39:23,953 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:39:23,954 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:39:23,955 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:39:23,956 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:39:23,957 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:39:23,958 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:39:23,959 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:39:23,961 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:39:23,961 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:39:23,962 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:39:23,963 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:39:23,963 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:39:23,965 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:39:23,966 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:39:23,967 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_44a82c2b-f6b9-401f-9f7b-a9a2341997d1/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-28 07:39:23,993 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:39:23,999 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:39:24,000 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:39:24,000 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:39:24,001 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:39:24,001 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:39:24,001 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:39:24,002 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:39:24,002 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:39:24,003 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:39:24,003 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:39:24,004 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:39:24,005 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:39:24,006 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:39:24,006 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:39:24,006 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:39:24,006 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:39:24,007 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 07:39:24,007 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 07:39:24,007 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:39:24,007 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:39:24,008 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:39:24,008 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:39:24,008 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:39:24,008 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 07:39:24,008 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:39:24,009 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:39:24,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:39:24,010 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:39:24,010 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:39:24,010 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:39:24,010 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-28 07:39:24,011 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 07:39:24,011 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:39:24,011 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:39:24,036 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:39:24,037 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_44a82c2b-f6b9-401f-9f7b-a9a2341997d1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_44a82c2b-f6b9-401f-9f7b-a9a2341997d1/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cc23406006a3a1e447c6e8a913f53a10dcbb620 [2020-11-28 07:39:24,464 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:39:24,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:39:24,492 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:39:24,494 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:39:24,494 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:39:24,495 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_44a82c2b-f6b9-401f-9f7b-a9a2341997d1/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c [2020-11-28 07:39:24,559 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_44a82c2b-f6b9-401f-9f7b-a9a2341997d1/bin/utaipan/data/7001bf41d/bad64aca041146e1a0cb3b12c7fdc6c6/FLAGc452b3b2b [2020-11-28 07:39:25,139 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:39:25,140 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_44a82c2b-f6b9-401f-9f7b-a9a2341997d1/sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c [2020-11-28 07:39:25,155 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_44a82c2b-f6b9-401f-9f7b-a9a2341997d1/bin/utaipan/data/7001bf41d/bad64aca041146e1a0cb3b12c7fdc6c6/FLAGc452b3b2b [2020-11-28 07:39:25,461 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_44a82c2b-f6b9-401f-9f7b-a9a2341997d1/bin/utaipan/data/7001bf41d/bad64aca041146e1a0cb3b12c7fdc6c6 [2020-11-28 07:39:25,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:39:25,464 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:39:25,466 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:39:25,467 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:39:25,471 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:39:25,471 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:39:25" (1/1) ... [2020-11-28 07:39:25,474 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fc25174 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:25, skipping insertion in model container [2020-11-28 07:39:25,475 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:39:25" (1/1) ... [2020-11-28 07:39:25,482 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:39:25,540 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:39:25,861 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:39:25,890 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-28 07:39:25,906 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:39:26,030 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:39:26,044 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 07:39:26,122 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:39:26,157 INFO L208 MainTranslator]: Completed translation [2020-11-28 07:39:26,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:26 WrapperNode [2020-11-28 07:39:26,158 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:39:26,159 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 07:39:26,159 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 07:39:26,159 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 07:39:26,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:26" (1/1) ... [2020-11-28 07:39:26,187 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:26" (1/1) ... [2020-11-28 07:39:26,231 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 07:39:26,243 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 07:39:26,244 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 07:39:26,245 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 07:39:26,253 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:26" (1/1) ... [2020-11-28 07:39:26,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:26" (1/1) ... [2020-11-28 07:39:26,257 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:26" (1/1) ... [2020-11-28 07:39:26,258 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:26" (1/1) ... [2020-11-28 07:39:26,268 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:26" (1/1) ... [2020-11-28 07:39:26,273 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:26" (1/1) ... [2020-11-28 07:39:26,276 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:26" (1/1) ... [2020-11-28 07:39:26,280 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 07:39:26,281 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 07:39:26,282 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 07:39:26,282 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 07:39:26,283 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_44a82c2b-f6b9-401f-9f7b-a9a2341997d1/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 [2020-11-28 07:39:26,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 07:39:26,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-28 07:39:26,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 07:39:26,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 07:39:28,730 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 07:39:28,735 INFO L298 CfgBuilder]: Removed 78 assume(true) statements. [2020-11-28 07:39:28,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:39:28 BoogieIcfgContainer [2020-11-28 07:39:28,738 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 07:39:28,742 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 07:39:28,742 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 07:39:28,745 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 07:39:28,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 07:39:25" (1/3) ... [2020-11-28 07:39:28,748 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5543072c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:39:28, skipping insertion in model container [2020-11-28 07:39:28,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:26" (2/3) ... [2020-11-28 07:39:28,748 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5543072c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:39:28, skipping insertion in model container [2020-11-28 07:39:28,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:39:28" (3/3) ... [2020-11-28 07:39:28,750 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product11.cil.c [2020-11-28 07:39:28,762 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 07:39:28,767 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 07:39:28,779 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 07:39:28,811 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 07:39:28,811 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 07:39:28,812 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 07:39:28,812 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 07:39:28,812 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 07:39:28,812 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 07:39:28,812 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 07:39:28,812 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 07:39:28,824 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states. [2020-11-28 07:39:28,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 07:39:28,830 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:39:28,831 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:39:28,831 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:39:28,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:39:28,837 INFO L82 PathProgramCache]: Analyzing trace with hash -434430378, now seen corresponding path program 1 times [2020-11-28 07:39:28,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:39:28,849 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1854727335] [2020-11-28 07:39:28,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_44a82c2b-f6b9-401f-9f7b-a9a2341997d1/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 [2020-11-28 07:39:29,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:39:29,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-28 07:39:29,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:39:29,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:39:29,205 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:39:29,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:39:29,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1854727335] [2020-11-28 07:39:29,212 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:39:29,212 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-28 07:39:29,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143995330] [2020-11-28 07:39:29,217 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 07:39:29,218 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:39:29,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 07:39:29,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 07:39:29,233 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 2 states. [2020-11-28 07:39:29,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:39:29,256 INFO L93 Difference]: Finished difference Result 122 states and 183 transitions. [2020-11-28 07:39:29,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 07:39:29,257 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-28 07:39:29,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:39:29,266 INFO L225 Difference]: With dead ends: 122 [2020-11-28 07:39:29,267 INFO L226 Difference]: Without dead ends: 59 [2020-11-28 07:39:29,270 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 07:39:29,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-11-28 07:39:29,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2020-11-28 07:39:29,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-11-28 07:39:29,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 82 transitions. [2020-11-28 07:39:29,307 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 82 transitions. Word has length 18 [2020-11-28 07:39:29,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:39:29,307 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 82 transitions. [2020-11-28 07:39:29,307 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 07:39:29,308 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2020-11-28 07:39:29,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-28 07:39:29,309 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:39:29,309 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:39:29,525 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-28 07:39:29,525 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:39:29,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:39:29,526 INFO L82 PathProgramCache]: Analyzing trace with hash 1239838886, now seen corresponding path program 1 times [2020-11-28 07:39:29,527 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:39:29,527 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [417074722] [2020-11-28 07:39:29,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_44a82c2b-f6b9-401f-9f7b-a9a2341997d1/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 [2020-11-28 07:39:29,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:39:29,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 07:39:29,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:39:29,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:39:29,800 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:39:29,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:39:29,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [417074722] [2020-11-28 07:39:29,821 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:39:29,821 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-28 07:39:29,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804522387] [2020-11-28 07:39:29,823 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 07:39:29,823 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:39:29,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 07:39:29,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 07:39:29,824 INFO L87 Difference]: Start difference. First operand 59 states and 82 transitions. Second operand 4 states. [2020-11-28 07:39:29,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:39:29,840 INFO L93 Difference]: Finished difference Result 59 states and 82 transitions. [2020-11-28 07:39:29,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 07:39:29,843 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2020-11-28 07:39:29,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:39:29,844 INFO L225 Difference]: With dead ends: 59 [2020-11-28 07:39:29,845 INFO L226 Difference]: Without dead ends: 31 [2020-11-28 07:39:29,846 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 07:39:29,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-11-28 07:39:29,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-11-28 07:39:29,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-11-28 07:39:29,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2020-11-28 07:39:29,859 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 19 [2020-11-28 07:39:29,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:39:29,861 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2020-11-28 07:39:29,862 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 07:39:29,862 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2020-11-28 07:39:29,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 07:39:29,863 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:39:29,863 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:39:30,074 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-28 07:39:30,075 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:39:30,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:39:30,076 INFO L82 PathProgramCache]: Analyzing trace with hash 1370675903, now seen corresponding path program 1 times [2020-11-28 07:39:30,076 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:39:30,077 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [818188076] [2020-11-28 07:39:30,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_44a82c2b-f6b9-401f-9f7b-a9a2341997d1/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 [2020-11-28 07:39:30,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:39:30,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 07:39:30,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:39:30,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:39:30,283 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:39:30,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:39:30,295 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [818188076] [2020-11-28 07:39:30,296 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:39:30,315 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2020-11-28 07:39:30,315 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768607224] [2020-11-28 07:39:30,316 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 07:39:30,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:39:30,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 07:39:30,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 07:39:30,323 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 4 states. [2020-11-28 07:39:30,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:39:30,359 INFO L93 Difference]: Finished difference Result 103 states and 151 transitions. [2020-11-28 07:39:30,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 07:39:30,360 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2020-11-28 07:39:30,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:39:30,362 INFO L225 Difference]: With dead ends: 103 [2020-11-28 07:39:30,362 INFO L226 Difference]: Without dead ends: 79 [2020-11-28 07:39:30,362 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 07:39:30,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2020-11-28 07:39:30,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 51. [2020-11-28 07:39:30,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-11-28 07:39:30,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 74 transitions. [2020-11-28 07:39:30,384 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 74 transitions. Word has length 24 [2020-11-28 07:39:30,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:39:30,384 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 74 transitions. [2020-11-28 07:39:30,384 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 07:39:30,385 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 74 transitions. [2020-11-28 07:39:30,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 07:39:30,386 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:39:30,387 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:39:30,599 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-28 07:39:30,600 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:39:30,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:39:30,600 INFO L82 PathProgramCache]: Analyzing trace with hash 437212194, now seen corresponding path program 1 times [2020-11-28 07:39:30,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:39:30,601 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [549961291] [2020-11-28 07:39:30,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_44a82c2b-f6b9-401f-9f7b-a9a2341997d1/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 [2020-11-28 07:39:30,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:39:30,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 07:39:30,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:39:30,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:39:30,816 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:39:30,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:39:30,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [549961291] [2020-11-28 07:39:30,829 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:39:30,830 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-28 07:39:30,830 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472138040] [2020-11-28 07:39:30,830 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 07:39:30,831 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:39:30,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 07:39:30,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 07:39:30,832 INFO L87 Difference]: Start difference. First operand 51 states and 74 transitions. Second operand 5 states. [2020-11-28 07:39:30,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:39:30,963 INFO L93 Difference]: Finished difference Result 219 states and 337 transitions. [2020-11-28 07:39:30,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-28 07:39:30,964 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-11-28 07:39:30,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:39:30,966 INFO L225 Difference]: With dead ends: 219 [2020-11-28 07:39:30,967 INFO L226 Difference]: Without dead ends: 175 [2020-11-28 07:39:30,967 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-28 07:39:30,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2020-11-28 07:39:30,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 87. [2020-11-28 07:39:30,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-11-28 07:39:30,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 126 transitions. [2020-11-28 07:39:30,998 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 126 transitions. Word has length 24 [2020-11-28 07:39:30,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:39:30,998 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 126 transitions. [2020-11-28 07:39:30,999 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 07:39:30,999 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 126 transitions. [2020-11-28 07:39:31,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 07:39:31,001 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:39:31,001 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:39:31,216 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-28 07:39:31,216 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:39:31,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:39:31,216 INFO L82 PathProgramCache]: Analyzing trace with hash 1687550122, now seen corresponding path program 1 times [2020-11-28 07:39:31,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:39:31,217 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [340463298] [2020-11-28 07:39:31,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_44a82c2b-f6b9-401f-9f7b-a9a2341997d1/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 [2020-11-28 07:39:31,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:39:31,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 07:39:31,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:39:31,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:39:31,447 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:39:31,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:39:31,451 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [340463298] [2020-11-28 07:39:31,452 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:39:31,452 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-28 07:39:31,452 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144042547] [2020-11-28 07:39:31,452 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 07:39:31,453 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:39:31,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 07:39:31,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 07:39:31,454 INFO L87 Difference]: Start difference. First operand 87 states and 126 transitions. Second operand 5 states. [2020-11-28 07:39:31,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:39:31,551 INFO L93 Difference]: Finished difference Result 271 states and 400 transitions. [2020-11-28 07:39:31,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 07:39:31,552 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-11-28 07:39:31,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:39:31,552 INFO L225 Difference]: With dead ends: 271 [2020-11-28 07:39:31,552 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 07:39:31,554 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-28 07:39:31,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 07:39:31,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 07:39:31,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 07:39:31,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 07:39:31,554 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2020-11-28 07:39:31,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:39:31,555 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 07:39:31,555 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 07:39:31,555 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 07:39:31,555 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 07:39:31,763 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-28 07:39:31,764 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 07:39:31,878 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 6 [2020-11-28 07:39:32,228 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:39:32,228 INFO L274 CegarLoopResult]: For program point L696(lines 696 706) no Hoare annotation was computed. [2020-11-28 07:39:32,228 INFO L274 CegarLoopResult]: For program point L696-2(lines 696 706) no Hoare annotation was computed. [2020-11-28 07:39:32,228 INFO L274 CegarLoopResult]: For program point L696-4(lines 696 706) no Hoare annotation was computed. [2020-11-28 07:39:32,228 INFO L274 CegarLoopResult]: For program point L878(lines 878 885) no Hoare annotation was computed. [2020-11-28 07:39:32,228 INFO L277 CegarLoopResult]: At program point L878-1(lines 878 885) the Hoare annotation is: true [2020-11-28 07:39:32,228 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 07:39:32,228 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 07:39:32,229 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-28 07:39:32,229 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 07:39:32,229 INFO L274 CegarLoopResult]: For program point L697(lines 697 703) no Hoare annotation was computed. [2020-11-28 07:39:32,229 INFO L274 CegarLoopResult]: For program point L697-2(lines 697 703) no Hoare annotation was computed. [2020-11-28 07:39:32,229 INFO L274 CegarLoopResult]: For program point L697-4(lines 697 703) no Hoare annotation was computed. [2020-11-28 07:39:32,229 INFO L270 CegarLoopResult]: At program point L681(lines 676 683) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:39:32,229 INFO L274 CegarLoopResult]: For program point L584(lines 584 590) no Hoare annotation was computed. [2020-11-28 07:39:32,229 INFO L270 CegarLoopResult]: At program point L584-1(lines 584 590) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-28 07:39:32,230 INFO L274 CegarLoopResult]: For program point L733(lines 733 737) no Hoare annotation was computed. [2020-11-28 07:39:32,230 INFO L270 CegarLoopResult]: At program point L470(lines 470 476) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-28 07:39:32,230 INFO L270 CegarLoopResult]: At program point L470-1(lines 470 476) the Hoare annotation is: false [2020-11-28 07:39:32,230 INFO L270 CegarLoopResult]: At program point L470-2(lines 470 476) the Hoare annotation is: false [2020-11-28 07:39:32,230 INFO L274 CegarLoopResult]: For program point L619(lines 619 625) no Hoare annotation was computed. [2020-11-28 07:39:32,230 INFO L270 CegarLoopResult]: At program point L619-1(lines 619 625) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-28 07:39:32,230 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 07:39:32,230 INFO L270 CegarLoopResult]: At program point L75(lines 70 78) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:39:32,230 INFO L274 CegarLoopResult]: For program point L670(line 670) no Hoare annotation was computed. [2020-11-28 07:39:32,231 INFO L274 CegarLoopResult]: For program point L670-1(line 670) no Hoare annotation was computed. [2020-11-28 07:39:32,231 INFO L274 CegarLoopResult]: For program point L670-2(line 670) no Hoare annotation was computed. [2020-11-28 07:39:32,231 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:39:32,231 INFO L274 CegarLoopResult]: For program point L721(lines 721 725) no Hoare annotation was computed. [2020-11-28 07:39:32,231 INFO L274 CegarLoopResult]: For program point L721-3(lines 721 725) no Hoare annotation was computed. [2020-11-28 07:39:32,231 INFO L274 CegarLoopResult]: For program point L721-6(lines 721 725) no Hoare annotation was computed. [2020-11-28 07:39:32,231 INFO L274 CegarLoopResult]: For program point L639(lines 639 652) no Hoare annotation was computed. [2020-11-28 07:39:32,231 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 07:39:32,231 INFO L270 CegarLoopResult]: At program point L540(lines 535 543) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-28 07:39:32,232 INFO L270 CegarLoopResult]: At program point L540-1(lines 535 543) the Hoare annotation is: false [2020-11-28 07:39:32,232 INFO L270 CegarLoopResult]: At program point L540-2(lines 535 543) the Hoare annotation is: false [2020-11-28 07:39:32,232 INFO L277 CegarLoopResult]: At program point L887(lines 868 890) the Hoare annotation is: true [2020-11-28 07:39:32,232 INFO L270 CegarLoopResult]: At program point L854(lines 850 856) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:39:32,232 INFO L270 CegarLoopResult]: At program point L657(lines 608 658) the Hoare annotation is: false [2020-11-28 07:39:32,232 INFO L270 CegarLoopResult]: At program point L806-2(lines 806 820) the Hoare annotation is: false [2020-11-28 07:39:32,232 INFO L274 CegarLoopResult]: For program point L807(line 807) no Hoare annotation was computed. [2020-11-28 07:39:32,232 INFO L270 CegarLoopResult]: At program point L758(lines 753 761) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-28 07:39:32,232 INFO L270 CegarLoopResult]: At program point L758-1(lines 753 761) the Hoare annotation is: false [2020-11-28 07:39:32,232 INFO L274 CegarLoopResult]: For program point L692(lines 692 709) no Hoare annotation was computed. [2020-11-28 07:39:32,233 INFO L270 CegarLoopResult]: At program point L758-2(lines 753 761) the Hoare annotation is: false [2020-11-28 07:39:32,233 INFO L270 CegarLoopResult]: At program point L692-1(lines 1 890) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-28 07:39:32,233 INFO L274 CegarLoopResult]: For program point L692-2(lines 692 709) no Hoare annotation was computed. [2020-11-28 07:39:32,233 INFO L270 CegarLoopResult]: At program point L692-3(lines 1 890) the Hoare annotation is: false [2020-11-28 07:39:32,233 INFO L274 CegarLoopResult]: For program point L692-4(lines 692 709) no Hoare annotation was computed. [2020-11-28 07:39:32,233 INFO L270 CegarLoopResult]: At program point L692-5(lines 1 890) the Hoare annotation is: false [2020-11-28 07:39:32,233 INFO L274 CegarLoopResult]: For program point L610(lines 609 656) no Hoare annotation was computed. [2020-11-28 07:39:32,233 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 07:39:32,233 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:39:32,234 INFO L274 CegarLoopResult]: For program point L611(lines 611 615) no Hoare annotation was computed. [2020-11-28 07:39:32,234 INFO L270 CegarLoopResult]: At program point L463(lines 462 481) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-28 07:39:32,234 INFO L274 CegarLoopResult]: For program point L463-1(lines 463 469) no Hoare annotation was computed. [2020-11-28 07:39:32,234 INFO L270 CegarLoopResult]: At program point L463-2(lines 462 481) the Hoare annotation is: false [2020-11-28 07:39:32,234 INFO L270 CegarLoopResult]: At program point L463-3(lines 462 481) the Hoare annotation is: false [2020-11-28 07:39:32,234 INFO L274 CegarLoopResult]: For program point L810(lines 810 814) no Hoare annotation was computed. [2020-11-28 07:39:32,234 INFO L274 CegarLoopResult]: For program point L810-1(lines 463 469) no Hoare annotation was computed. [2020-11-28 07:39:32,234 INFO L274 CegarLoopResult]: For program point L645(lines 645 651) no Hoare annotation was computed. [2020-11-28 07:39:32,234 INFO L270 CegarLoopResult]: At program point L645-1(lines 463 469) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-28 07:39:32,234 INFO L270 CegarLoopResult]: At program point L67(lines 1 890) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:39:32,235 INFO L274 CegarLoopResult]: For program point L629(lines 629 635) no Hoare annotation was computed. [2020-11-28 07:39:32,235 INFO L270 CegarLoopResult]: At program point L629-1(lines 629 635) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-28 07:39:32,235 INFO L274 CegarLoopResult]: For program point L745(lines 745 749) no Hoare annotation was computed. [2020-11-28 07:39:32,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 07:39:32 BoogieIcfgContainer [2020-11-28 07:39:32,268 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 07:39:32,268 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 07:39:32,268 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 07:39:32,269 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 07:39:32,269 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:39:28" (3/4) ... [2020-11-28 07:39:32,272 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 07:39:32,291 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-28 07:39:32,292 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 07:39:32,293 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 07:39:32,293 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 07:39:32,294 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 07:39:32,294 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 07:39:32,295 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 07:39:32,323 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2020-11-28 07:39:32,384 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_44a82c2b-f6b9-401f-9f7b-a9a2341997d1/bin/utaipan/witness.graphml [2020-11-28 07:39:32,384 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 07:39:32,386 INFO L168 Benchmark]: Toolchain (without parser) took 6920.94 ms. Allocated memory was 86.0 MB in the beginning and 107.0 MB in the end (delta: 21.0 MB). Free memory was 51.4 MB in the beginning and 72.6 MB in the end (delta: -21.2 MB). Peak memory consumption was 2.3 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:32,386 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 86.0 MB. Free memory was 68.7 MB in the beginning and 68.6 MB in the end (delta: 65.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:39:32,387 INFO L168 Benchmark]: CACSL2BoogieTranslator took 691.79 ms. Allocated memory is still 86.0 MB. Free memory was 51.2 MB in the beginning and 53.5 MB in the end (delta: -2.3 MB). Peak memory consumption was 8.6 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:32,387 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.66 ms. Allocated memory is still 86.0 MB. Free memory was 53.5 MB in the beginning and 50.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:32,388 INFO L168 Benchmark]: Boogie Preprocessor took 37.30 ms. Allocated memory is still 86.0 MB. Free memory was 50.9 MB in the beginning and 48.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:32,388 INFO L168 Benchmark]: RCFGBuilder took 2456.50 ms. Allocated memory was 86.0 MB in the beginning and 107.0 MB in the end (delta: 21.0 MB). Free memory was 48.8 MB in the beginning and 82.3 MB in the end (delta: -33.5 MB). Peak memory consumption was 21.6 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:32,388 INFO L168 Benchmark]: TraceAbstraction took 3526.28 ms. Allocated memory is still 107.0 MB. Free memory was 81.7 MB in the beginning and 78.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 53.8 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:32,389 INFO L168 Benchmark]: Witness Printer took 116.09 ms. Allocated memory is still 107.0 MB. Free memory was 78.9 MB in the beginning and 72.6 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:32,391 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 86.0 MB. Free memory was 68.7 MB in the beginning and 68.6 MB in the end (delta: 65.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 691.79 ms. Allocated memory is still 86.0 MB. Free memory was 51.2 MB in the beginning and 53.5 MB in the end (delta: -2.3 MB). Peak memory consumption was 8.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 83.66 ms. Allocated memory is still 86.0 MB. Free memory was 53.5 MB in the beginning and 50.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 37.30 ms. Allocated memory is still 86.0 MB. Free memory was 50.9 MB in the beginning and 48.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2456.50 ms. Allocated memory was 86.0 MB in the beginning and 107.0 MB in the end (delta: 21.0 MB). Free memory was 48.8 MB in the beginning and 82.3 MB in the end (delta: -33.5 MB). Peak memory consumption was 21.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3526.28 ms. Allocated memory is still 107.0 MB. Free memory was 81.7 MB in the beginning and 78.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 53.8 MB. Max. memory is 16.1 GB. * Witness Printer took 116.09 ms. Allocated memory is still 107.0 MB. Free memory was 78.9 MB in the beginning and 72.6 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 463]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 806]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 629]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 470]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 470]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 470]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 66 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 287 SDtfs, 295 SDslu, 370 SDs, 0 SdLazy, 47 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 218 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=4, 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, 5 MinimizatonAttempts, 116 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 27 LocationsWithAnnotation, 27 PreInvPairs, 113 NumberOfFragments, 128 HoareAnnotationTreeSize, 27 FomulaSimplifications, 3987 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 27 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 210 ConstructedInterpolants, 0 QuantifiedInterpolants, 9538 SizeOfPredicates, 8 NumberOfNonLiveVariables, 986 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...