./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product36.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b9c61a-5f1a-47e7-b9b6-2509bd02e722/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b9c61a-5f1a-47e7-b9b6-2509bd02e722/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b9c61a-5f1a-47e7-b9b6-2509bd02e722/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b9c61a-5f1a-47e7-b9b6-2509bd02e722/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product36.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b9c61a-5f1a-47e7-b9b6-2509bd02e722/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b9c61a-5f1a-47e7-b9b6-2509bd02e722/bin/utaipan-WLngWcDbfI --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 99c00eceebadc8c15e4601def9bb17816540a0dc ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b9c61a-5f1a-47e7-b9b6-2509bd02e722/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b9c61a-5f1a-47e7-b9b6-2509bd02e722/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b9c61a-5f1a-47e7-b9b6-2509bd02e722/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b9c61a-5f1a-47e7-b9b6-2509bd02e722/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product36.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b9c61a-5f1a-47e7-b9b6-2509bd02e722/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b9c61a-5f1a-47e7-b9b6-2509bd02e722/bin/utaipan-WLngWcDbfI --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 99c00eceebadc8c15e4601def9bb17816540a0dc ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:29:45,879 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:29:45,881 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:29:45,924 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:29:45,925 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:29:45,927 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:29:45,929 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:29:45,931 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:29:45,934 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:29:45,935 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:29:45,936 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:29:45,938 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:29:45,938 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:29:45,940 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:29:45,941 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:29:45,943 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:29:45,944 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:29:45,945 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:29:45,948 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:29:45,950 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:29:45,952 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:29:45,954 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:29:45,955 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:29:45,956 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:29:45,960 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:29:45,960 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:29:45,961 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:29:45,962 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:29:45,963 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:29:45,964 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:29:45,965 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:29:45,966 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:29:45,967 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:29:45,970 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:29:45,973 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:29:45,974 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:29:45,975 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:29:45,975 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:29:45,975 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:29:45,976 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:29:45,977 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:29:45,979 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b9c61a-5f1a-47e7-b9b6-2509bd02e722/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:29:46,026 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:29:46,026 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:29:46,027 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:29:46,027 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:29:46,027 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:29:46,028 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:29:46,028 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:29:46,028 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:29:46,028 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:29:46,029 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:29:46,029 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:29:46,029 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:29:46,029 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:29:46,029 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:29:46,030 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:29:46,030 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:29:46,031 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:29:46,031 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:29:46,031 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:29:46,031 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:29:46,031 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:29:46,032 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:29:46,036 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:29:46,037 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:29:46,037 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:29:46,037 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:29:46,038 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:29:46,038 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:29:46,039 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:29:46,039 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:29:46,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:29:46,039 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:29:46,040 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:29:46,040 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:29:46,040 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:29:46,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:29:46,041 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:29:46,041 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:29:46,042 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:29:46,042 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_worker_vcloud-master_on_vcloud-master/run_dir_91b9c61a-5f1a-47e7-b9b6-2509bd02e722/bin/utaipan-WLngWcDbfI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b9c61a-5f1a-47e7-b9b6-2509bd02e722/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99c00eceebadc8c15e4601def9bb17816540a0dc [2021-10-11 02:29:46,320 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:29:46,355 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:29:46,365 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:29:46,366 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:29:46,367 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:29:46,368 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b9c61a-5f1a-47e7-b9b6-2509bd02e722/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec3_product36.cil.c [2021-10-11 02:29:46,430 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b9c61a-5f1a-47e7-b9b6-2509bd02e722/bin/utaipan-WLngWcDbfI/data/7b2c83508/73c4225515dd479db7e580b1318bd3e6/FLAG354df8919 [2021-10-11 02:29:46,896 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:29:46,903 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b9c61a-5f1a-47e7-b9b6-2509bd02e722/sv-benchmarks/c/product-lines/minepump_spec3_product36.cil.c [2021-10-11 02:29:46,937 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b9c61a-5f1a-47e7-b9b6-2509bd02e722/bin/utaipan-WLngWcDbfI/data/7b2c83508/73c4225515dd479db7e580b1318bd3e6/FLAG354df8919 [2021-10-11 02:29:47,259 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b9c61a-5f1a-47e7-b9b6-2509bd02e722/bin/utaipan-WLngWcDbfI/data/7b2c83508/73c4225515dd479db7e580b1318bd3e6 [2021-10-11 02:29:47,262 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:29:47,264 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:29:47,265 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:29:47,265 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:29:47,277 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:29:47,278 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:29:47" (1/1) ... [2021-10-11 02:29:47,280 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@391a23f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:47, skipping insertion in model container [2021-10-11 02:29:47,280 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:29:47" (1/1) ... [2021-10-11 02:29:47,287 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:29:47,344 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:29:47,513 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b9c61a-5f1a-47e7-b9b6-2509bd02e722/sv-benchmarks/c/product-lines/minepump_spec3_product36.cil.c[1281,1294] [2021-10-11 02:29:47,687 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:29:47,704 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) [2021-10-11 02:29:47,705 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@12777d14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:47, skipping insertion in model container [2021-10-11 02:29:47,706 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:29:47,707 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:29:47,709 INFO L168 Benchmark]: Toolchain (without parser) took 444.05 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 50.9 MB in the beginning and 79.2 MB in the end (delta: -28.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:47,710 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 88.1 MB. Free memory is still 68.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:29:47,713 INFO L168 Benchmark]: CACSL2BoogieTranslator took 441.20 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 50.6 MB in the beginning and 79.2 MB in the end (delta: -28.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:47,717 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 88.1 MB. Free memory is still 68.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 441.20 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 50.6 MB in the beginning and 79.2 MB in the end (delta: -28.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 79]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:29:49,988 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:29:49,992 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:29:50,047 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:29:50,048 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:29:50,053 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:29:50,057 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:29:50,062 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:29:50,065 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:29:50,072 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:29:50,076 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:29:50,078 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:29:50,078 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:29:50,082 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:29:50,083 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:29:50,085 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:29:50,087 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:29:50,091 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:29:50,094 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:29:50,102 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:29:50,104 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:29:50,121 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:29:50,125 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:29:50,127 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:29:50,133 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:29:50,134 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:29:50,134 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:29:50,136 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:29:50,137 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:29:50,138 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:29:50,139 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:29:50,140 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:29:50,142 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:29:50,143 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:29:50,144 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:29:50,144 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:29:50,145 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:29:50,145 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:29:50,146 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:29:50,148 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:29:50,149 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:29:50,150 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b9c61a-5f1a-47e7-b9b6-2509bd02e722/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:29:50,194 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:29:50,194 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:29:50,196 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:29:50,196 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:29:50,197 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:29:50,197 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:29:50,197 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:29:50,197 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:29:50,198 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:29:50,201 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:29:50,202 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:29:50,203 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:29:50,203 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:29:50,203 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:29:50,203 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:29:50,203 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:29:50,204 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:29:50,204 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:29:50,204 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:29:50,204 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:29:50,205 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:29:50,205 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:29:50,205 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:29:50,205 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:29:50,206 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:29:50,206 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:29:50,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:29:50,206 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:29:50,207 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:29:50,207 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:29:50,207 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:29:50,207 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:29:50,208 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:29:50,208 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:29:50,208 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:29:50,208 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b9c61a-5f1a-47e7-b9b6-2509bd02e722/bin/utaipan-WLngWcDbfI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b9c61a-5f1a-47e7-b9b6-2509bd02e722/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99c00eceebadc8c15e4601def9bb17816540a0dc [2021-10-11 02:29:50,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:29:50,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:29:50,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:29:50,662 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:29:50,663 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:29:50,666 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b9c61a-5f1a-47e7-b9b6-2509bd02e722/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec3_product36.cil.c [2021-10-11 02:29:50,747 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b9c61a-5f1a-47e7-b9b6-2509bd02e722/bin/utaipan-WLngWcDbfI/data/cdcca5732/f233a0f5e515495cae79aa557bdc9462/FLAG346451317 [2021-10-11 02:29:51,392 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:29:51,392 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b9c61a-5f1a-47e7-b9b6-2509bd02e722/sv-benchmarks/c/product-lines/minepump_spec3_product36.cil.c [2021-10-11 02:29:51,418 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b9c61a-5f1a-47e7-b9b6-2509bd02e722/bin/utaipan-WLngWcDbfI/data/cdcca5732/f233a0f5e515495cae79aa557bdc9462/FLAG346451317 [2021-10-11 02:29:51,618 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b9c61a-5f1a-47e7-b9b6-2509bd02e722/bin/utaipan-WLngWcDbfI/data/cdcca5732/f233a0f5e515495cae79aa557bdc9462 [2021-10-11 02:29:51,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:29:51,623 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:29:51,627 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:29:51,628 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:29:51,631 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:29:51,632 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:29:51" (1/1) ... [2021-10-11 02:29:51,635 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a1e4a1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:51, skipping insertion in model container [2021-10-11 02:29:51,635 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:29:51" (1/1) ... [2021-10-11 02:29:51,644 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:29:51,713 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:29:51,922 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b9c61a-5f1a-47e7-b9b6-2509bd02e722/sv-benchmarks/c/product-lines/minepump_spec3_product36.cil.c[1281,1294] [2021-10-11 02:29:52,224 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:29:52,237 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:29:52,249 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:29:52,253 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b9c61a-5f1a-47e7-b9b6-2509bd02e722/sv-benchmarks/c/product-lines/minepump_spec3_product36.cil.c[1281,1294] [2021-10-11 02:29:52,315 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:29:52,329 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:29:52,354 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b9c61a-5f1a-47e7-b9b6-2509bd02e722/sv-benchmarks/c/product-lines/minepump_spec3_product36.cil.c[1281,1294] [2021-10-11 02:29:52,401 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:29:52,441 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:29:52,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:52 WrapperNode [2021-10-11 02:29:52,442 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:29:52,443 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:29:52,443 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:29:52,443 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:29:52,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:52" (1/1) ... [2021-10-11 02:29:52,472 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:52" (1/1) ... [2021-10-11 02:29:52,510 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:29:52,511 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:29:52,511 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:29:52,512 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:29:52,520 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:52" (1/1) ... [2021-10-11 02:29:52,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:52" (1/1) ... [2021-10-11 02:29:52,526 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:52" (1/1) ... [2021-10-11 02:29:52,526 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:52" (1/1) ... [2021-10-11 02:29:52,539 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:52" (1/1) ... [2021-10-11 02:29:52,546 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:52" (1/1) ... [2021-10-11 02:29:52,549 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:52" (1/1) ... [2021-10-11 02:29:52,554 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:29:52,555 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:29:52,555 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:29:52,555 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:29:52,556 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:52" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b9c61a-5f1a-47e7-b9b6-2509bd02e722/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:29:52,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:29:52,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:29:52,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:29:52,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:29:54,988 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:29:54,989 INFO L299 CfgBuilder]: Removed 108 assume(true) statements. [2021-10-11 02:29:54,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:29:54 BoogieIcfgContainer [2021-10-11 02:29:54,990 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:29:54,992 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:29:54,992 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:29:54,995 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:29:54,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:29:51" (1/3) ... [2021-10-11 02:29:54,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42a65b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:29:54, skipping insertion in model container [2021-10-11 02:29:54,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:52" (2/3) ... [2021-10-11 02:29:54,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42a65b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:29:54, skipping insertion in model container [2021-10-11 02:29:54,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:29:54" (3/3) ... [2021-10-11 02:29:54,998 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product36.cil.c [2021-10-11 02:29:55,019 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:29:55,023 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:29:55,034 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:29:55,058 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:29:55,058 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:29:55,058 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:29:55,058 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:29:55,058 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:29:55,059 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:29:55,059 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:29:55,059 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:29:55,074 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states. [2021-10-11 02:29:55,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 02:29:55,080 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:55,081 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:29:55,081 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:55,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:55,087 INFO L82 PathProgramCache]: Analyzing trace with hash -386332649, now seen corresponding path program 1 times [2021-10-11 02:29:55,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:29:55,100 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1889136866] [2021-10-11 02:29:55,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b9c61a-5f1a-47e7-b9b6-2509bd02e722/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:29:55,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:55,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:29:55,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:29:55,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:29:55,359 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:29:55,360 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1889136866] [2021-10-11 02:29:55,360 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:55,361 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:29:55,361 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071441468] [2021-10-11 02:29:55,365 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:29:55,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:29:55,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:29:55,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:29:55,388 INFO L87 Difference]: Start difference. First operand 86 states. Second operand 2 states. [2021-10-11 02:29:55,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:55,414 INFO L93 Difference]: Finished difference Result 166 states and 251 transitions. [2021-10-11 02:29:55,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:29:55,415 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 02:29:55,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:55,425 INFO L225 Difference]: With dead ends: 166 [2021-10-11 02:29:55,425 INFO L226 Difference]: Without dead ends: 82 [2021-10-11 02:29:55,428 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:29:55,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2021-10-11 02:29:55,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2021-10-11 02:29:55,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2021-10-11 02:29:55,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 117 transitions. [2021-10-11 02:29:55,467 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 117 transitions. Word has length 18 [2021-10-11 02:29:55,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:55,468 INFO L481 AbstractCegarLoop]: Abstraction has 82 states and 117 transitions. [2021-10-11 02:29:55,468 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:29:55,468 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 117 transitions. [2021-10-11 02:29:55,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 02:29:55,470 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:55,470 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:29:55,687 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:29:55,688 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:55,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:55,690 INFO L82 PathProgramCache]: Analyzing trace with hash 1847726980, now seen corresponding path program 1 times [2021-10-11 02:29:55,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:29:55,691 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1382180037] [2021-10-11 02:29:55,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b9c61a-5f1a-47e7-b9b6-2509bd02e722/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:29:55,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:55,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:29:55,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:29:56,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:29:56,013 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:29:56,013 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1382180037] [2021-10-11 02:29:56,013 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:56,013 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:29:56,014 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765474566] [2021-10-11 02:29:56,015 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:29:56,015 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:29:56,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:29:56,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:29:56,017 INFO L87 Difference]: Start difference. First operand 82 states and 117 transitions. Second operand 3 states. [2021-10-11 02:29:56,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:56,040 INFO L93 Difference]: Finished difference Result 82 states and 117 transitions. [2021-10-11 02:29:56,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:29:56,041 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 02:29:56,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:56,043 INFO L225 Difference]: With dead ends: 82 [2021-10-11 02:29:56,044 INFO L226 Difference]: Without dead ends: 38 [2021-10-11 02:29:56,046 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:29:56,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-10-11 02:29:56,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2021-10-11 02:29:56,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2021-10-11 02:29:56,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 54 transitions. [2021-10-11 02:29:56,060 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 54 transitions. Word has length 19 [2021-10-11 02:29:56,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:56,064 INFO L481 AbstractCegarLoop]: Abstraction has 38 states and 54 transitions. [2021-10-11 02:29:56,064 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:29:56,065 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 54 transitions. [2021-10-11 02:29:56,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:29:56,067 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:56,067 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] [2021-10-11 02:29:56,290 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:29:56,291 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:56,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:56,291 INFO L82 PathProgramCache]: Analyzing trace with hash 2067739700, now seen corresponding path program 1 times [2021-10-11 02:29:56,292 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:29:56,292 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1293822628] [2021-10-11 02:29:56,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b9c61a-5f1a-47e7-b9b6-2509bd02e722/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:29:56,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:56,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:29:56,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:29:56,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:29:56,564 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:29:56,564 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1293822628] [2021-10-11 02:29:56,564 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:56,564 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:29:56,565 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25697568] [2021-10-11 02:29:56,565 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:29:56,565 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:29:56,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:29:56,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:29:56,566 INFO L87 Difference]: Start difference. First operand 38 states and 54 transitions. Second operand 3 states. [2021-10-11 02:29:56,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:56,624 INFO L93 Difference]: Finished difference Result 102 states and 150 transitions. [2021-10-11 02:29:56,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:29:56,627 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:29:56,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:56,628 INFO L225 Difference]: With dead ends: 102 [2021-10-11 02:29:56,628 INFO L226 Difference]: Without dead ends: 70 [2021-10-11 02:29:56,629 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:29:56,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2021-10-11 02:29:56,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 66. [2021-10-11 02:29:56,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2021-10-11 02:29:56,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 97 transitions. [2021-10-11 02:29:56,652 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 97 transitions. Word has length 24 [2021-10-11 02:29:56,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:56,653 INFO L481 AbstractCegarLoop]: Abstraction has 66 states and 97 transitions. [2021-10-11 02:29:56,653 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:29:56,653 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 97 transitions. [2021-10-11 02:29:56,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 02:29:56,655 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:56,655 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] [2021-10-11 02:29:56,882 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:29:56,882 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:56,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:56,882 INFO L82 PathProgramCache]: Analyzing trace with hash -1859072455, now seen corresponding path program 1 times [2021-10-11 02:29:56,883 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:29:56,883 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1365940568] [2021-10-11 02:29:56,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b9c61a-5f1a-47e7-b9b6-2509bd02e722/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:29:57,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:57,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:29:57,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:29:57,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:29:57,142 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:29:57,142 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1365940568] [2021-10-11 02:29:57,142 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:57,143 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:29:57,143 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691913259] [2021-10-11 02:29:57,143 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:29:57,143 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:29:57,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:29:57,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:29:57,147 INFO L87 Difference]: Start difference. First operand 66 states and 97 transitions. Second operand 3 states. [2021-10-11 02:29:57,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:57,238 INFO L93 Difference]: Finished difference Result 171 states and 256 transitions. [2021-10-11 02:29:57,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:29:57,239 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2021-10-11 02:29:57,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:57,246 INFO L225 Difference]: With dead ends: 171 [2021-10-11 02:29:57,246 INFO L226 Difference]: Without dead ends: 111 [2021-10-11 02:29:57,247 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:29:57,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2021-10-11 02:29:57,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 109. [2021-10-11 02:29:57,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2021-10-11 02:29:57,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 159 transitions. [2021-10-11 02:29:57,278 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 159 transitions. Word has length 25 [2021-10-11 02:29:57,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:57,281 INFO L481 AbstractCegarLoop]: Abstraction has 109 states and 159 transitions. [2021-10-11 02:29:57,281 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:29:57,281 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 159 transitions. [2021-10-11 02:29:57,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-11 02:29:57,289 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:57,289 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, 1, 1] [2021-10-11 02:29:57,506 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:29:57,506 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:57,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:57,507 INFO L82 PathProgramCache]: Analyzing trace with hash 1504399113, now seen corresponding path program 1 times [2021-10-11 02:29:57,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:29:57,508 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1808557414] [2021-10-11 02:29:57,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b9c61a-5f1a-47e7-b9b6-2509bd02e722/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:29:57,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:57,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:29:57,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:29:57,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:29:57,742 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:29:57,742 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1808557414] [2021-10-11 02:29:57,742 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:57,742 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:29:57,743 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89009724] [2021-10-11 02:29:57,743 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:29:57,743 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:29:57,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:29:57,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:29:57,744 INFO L87 Difference]: Start difference. First operand 109 states and 159 transitions. Second operand 5 states. [2021-10-11 02:29:57,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:57,900 INFO L93 Difference]: Finished difference Result 597 states and 891 transitions. [2021-10-11 02:29:57,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 02:29:57,901 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2021-10-11 02:29:57,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:57,905 INFO L225 Difference]: With dead ends: 597 [2021-10-11 02:29:57,905 INFO L226 Difference]: Without dead ends: 494 [2021-10-11 02:29:57,906 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-11 02:29:57,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2021-10-11 02:29:57,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 198. [2021-10-11 02:29:57,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2021-10-11 02:29:57,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 280 transitions. [2021-10-11 02:29:57,938 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 280 transitions. Word has length 27 [2021-10-11 02:29:57,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:57,939 INFO L481 AbstractCegarLoop]: Abstraction has 198 states and 280 transitions. [2021-10-11 02:29:57,939 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:29:57,939 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 280 transitions. [2021-10-11 02:29:57,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-11 02:29:57,940 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:57,940 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, 1, 1, 1] [2021-10-11 02:29:58,156 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:29:58,157 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:58,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:58,157 INFO L82 PathProgramCache]: Analyzing trace with hash -195864629, now seen corresponding path program 1 times [2021-10-11 02:29:58,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:29:58,158 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1908430671] [2021-10-11 02:29:58,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b9c61a-5f1a-47e7-b9b6-2509bd02e722/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:29:59,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:29:59,286 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:30:00,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:30:00,430 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:30:00,557 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-11 02:30:00,557 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:30:00,763 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2021-10-11 02:30:00,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:30:00 BoogieIcfgContainer [2021-10-11 02:30:00,892 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:30:00,893 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:30:00,893 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:30:00,893 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:30:00,894 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:29:54" (3/4) ... [2021-10-11 02:30:00,896 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-11 02:30:00,984 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b9c61a-5f1a-47e7-b9b6-2509bd02e722/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:30:00,984 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:30:00,986 INFO L168 Benchmark]: Toolchain (without parser) took 9361.46 ms. Allocated memory was 71.3 MB in the beginning and 111.1 MB in the end (delta: 39.8 MB). Free memory was 52.3 MB in the beginning and 70.0 MB in the end (delta: -17.7 MB). Peak memory consumption was 22.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:00,986 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 71.3 MB. Free memory was 51.8 MB in the beginning and 51.7 MB in the end (delta: 55.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:30:00,987 INFO L168 Benchmark]: CACSL2BoogieTranslator took 814.78 ms. Allocated memory is still 71.3 MB. Free memory was 52.1 MB in the beginning and 38.3 MB in the end (delta: 13.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:00,987 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.82 ms. Allocated memory is still 71.3 MB. Free memory was 38.3 MB in the beginning and 35.1 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:00,988 INFO L168 Benchmark]: Boogie Preprocessor took 42.96 ms. Allocated memory is still 71.3 MB. Free memory was 35.1 MB in the beginning and 32.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:00,988 INFO L168 Benchmark]: RCFGBuilder took 2435.61 ms. Allocated memory was 71.3 MB in the beginning and 92.3 MB in the end (delta: 21.0 MB). Free memory was 32.8 MB in the beginning and 67.1 MB in the end (delta: -34.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:00,989 INFO L168 Benchmark]: TraceAbstraction took 5900.08 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 66.9 MB in the beginning and 81.5 MB in the end (delta: -14.6 MB). Peak memory consumption was 59.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:00,990 INFO L168 Benchmark]: Witness Printer took 91.16 ms. Allocated memory is still 111.1 MB. Free memory was 81.5 MB in the beginning and 70.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:00,993 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 71.3 MB. Free memory was 51.8 MB in the beginning and 51.7 MB in the end (delta: 55.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 814.78 ms. Allocated memory is still 71.3 MB. Free memory was 52.1 MB in the beginning and 38.3 MB in the end (delta: 13.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 67.82 ms. Allocated memory is still 71.3 MB. Free memory was 38.3 MB in the beginning and 35.1 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 42.96 ms. Allocated memory is still 71.3 MB. Free memory was 35.1 MB in the beginning and 32.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2435.61 ms. Allocated memory was 71.3 MB in the beginning and 92.3 MB in the end (delta: 21.0 MB). Free memory was 32.8 MB in the beginning and 67.1 MB in the end (delta: -34.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5900.08 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 66.9 MB in the beginning and 81.5 MB in the end (delta: -14.6 MB). Peak memory consumption was 59.8 MB. Max. memory is 16.1 GB. * Witness Printer took 91.16 ms. Allocated memory is still 111.1 MB. Free memory was 81.5 MB in the beginning and 70.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 46]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L220] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L428] int pumpRunning = 0; [L429] int systemActive = 1; [L677] int waterLevel = 1; [L678] int methaneLevelCritical = 0; [L771] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L847] int retValue_acc ; [L848] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L896] int retValue_acc ; [L899] retValue_acc = 1 [L900] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L854] tmp = valid_product() [L856] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L608] int splverifierCounter ; [L609] int tmp ; [L610] int tmp___0 ; [L611] int tmp___1 ; [L612] int tmp___2 ; [L615] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L617] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L619] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L625] tmp = __VERIFIER_nondet_int() [L627] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L695] COND TRUE waterLevel < 2 [L696] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L635] tmp___0 = __VERIFIER_nondet_int() [L637] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L645] tmp___2 = __VERIFIER_nondet_int() [L647] COND FALSE !(\read(tmp___2)) [L653] tmp___1 = __VERIFIER_nondet_int() [L655] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L584] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L591] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L436] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L443] COND FALSE !(\read(systemActive)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L906] int tmp ; [L907] int tmp___0 ; [L908] int tmp___1 ; [L716] int retValue_acc ; [L719] retValue_acc = methaneLevelCritical [L720] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L912] tmp = isMethaneLevelCritical() [L914] COND FALSE !(\read(tmp)) [L748] int retValue_acc ; [L751] retValue_acc = waterLevel [L752] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L918] tmp___0 = getWaterLevel() [L920] COND TRUE tmp___0 == 2 [L517] int retValue_acc ; [L520] retValue_acc = pumpRunning [L521] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L922] tmp___1 = isPumpRunning() [L924] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L46] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 86 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.7s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 363 SDtfs, 362 SDslu, 289 SDs, 0 SdLazy, 56 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 111 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=198occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 302 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 141 NumberOfCodeBlocks, 141 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 108 ConstructedInterpolants, 0 QuantifiedInterpolants, 5034 SizeOfPredicates, 4 NumberOfNonLiveVariables, 996 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 incorrect! Received shutdown request...