./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product09.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_405564da-854f-44e2-920a-3917274d8a02/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405564da-854f-44e2-920a-3917274d8a02/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_405564da-854f-44e2-920a-3917274d8a02/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405564da-854f-44e2-920a-3917274d8a02/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product09.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405564da-854f-44e2-920a-3917274d8a02/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_405564da-854f-44e2-920a-3917274d8a02/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 db09c246a09e1a5256409434d3f5c428f7be014f ............................................................................................................................................ 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_405564da-854f-44e2-920a-3917274d8a02/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405564da-854f-44e2-920a-3917274d8a02/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_405564da-854f-44e2-920a-3917274d8a02/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405564da-854f-44e2-920a-3917274d8a02/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product09.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405564da-854f-44e2-920a-3917274d8a02/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_405564da-854f-44e2-920a-3917274d8a02/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 db09c246a09e1a5256409434d3f5c428f7be014f ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:23:30,909 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:23:30,911 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:23:30,962 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:23:30,963 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:23:30,967 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:23:30,970 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:23:30,984 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:23:30,986 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:23:30,993 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:23:30,994 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:23:30,995 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:23:30,996 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:23:30,999 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:23:31,001 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:23:31,004 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:23:31,005 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:23:31,009 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:23:31,012 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:23:31,019 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:23:31,022 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:23:31,023 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:23:31,026 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:23:31,028 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:23:31,037 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:23:31,038 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:23:31,038 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:23:31,040 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:23:31,041 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:23:31,043 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:23:31,043 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:23:31,044 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:23:31,046 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:23:31,047 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:23:31,049 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:23:31,049 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:23:31,050 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:23:31,050 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:23:31,050 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:23:31,051 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:23:31,052 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:23:31,055 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405564da-854f-44e2-920a-3917274d8a02/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:23:31,107 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:23:31,107 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:23:31,109 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:23:31,109 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:23:31,109 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:23:31,110 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:23:31,110 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:23:31,110 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:23:31,110 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:23:31,110 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:23:31,118 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:23:31,118 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:23:31,118 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:23:31,119 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:23:31,119 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:23:31,120 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:23:31,120 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:23:31,120 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:23:31,120 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:23:31,120 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:23:31,121 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:23:31,121 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:23:31,121 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:23:31,121 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:23:31,122 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:23:31,122 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:23:31,122 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:23:31,122 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:23:31,123 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:23:31,125 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:23:31,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:23:31,125 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:23:31,126 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:23:31,126 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:23:31,126 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:23:31,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:23:31,127 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:23:31,127 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:23:31,127 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:23:31,127 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_405564da-854f-44e2-920a-3917274d8a02/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405564da-854f-44e2-920a-3917274d8a02/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db09c246a09e1a5256409434d3f5c428f7be014f [2021-10-11 02:23:31,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:23:31,421 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:23:31,424 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:23:31,426 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:23:31,430 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:23:31,431 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405564da-854f-44e2-920a-3917274d8a02/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec1_product09.cil.c [2021-10-11 02:23:31,511 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405564da-854f-44e2-920a-3917274d8a02/bin/utaipan-WLngWcDbfI/data/f7d3549ef/d2945741b52f4353a4072aaee53b000e/FLAG44e4bed2f [2021-10-11 02:23:32,007 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:23:32,013 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405564da-854f-44e2-920a-3917274d8a02/sv-benchmarks/c/product-lines/minepump_spec1_product09.cil.c [2021-10-11 02:23:32,025 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405564da-854f-44e2-920a-3917274d8a02/bin/utaipan-WLngWcDbfI/data/f7d3549ef/d2945741b52f4353a4072aaee53b000e/FLAG44e4bed2f [2021-10-11 02:23:32,356 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405564da-854f-44e2-920a-3917274d8a02/bin/utaipan-WLngWcDbfI/data/f7d3549ef/d2945741b52f4353a4072aaee53b000e [2021-10-11 02:23:32,358 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:23:32,359 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:23:32,360 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:23:32,360 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:23:32,369 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:23:32,369 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:23:32" (1/1) ... [2021-10-11 02:23:32,371 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@299b18e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:32, skipping insertion in model container [2021-10-11 02:23:32,371 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:23:32" (1/1) ... [2021-10-11 02:23:32,377 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:23:32,429 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:23:32,716 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_405564da-854f-44e2-920a-3917274d8a02/sv-benchmarks/c/product-lines/minepump_spec1_product09.cil.c[12706,12719] [2021-10-11 02:23:32,743 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:23:32,755 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 02:23:32,756 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7d1b90a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:32, skipping insertion in model container [2021-10-11 02:23:32,756 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:23:32,757 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:23:32,759 INFO L168 Benchmark]: Toolchain (without parser) took 398.69 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 69.9 MB in the beginning and 93.8 MB in the end (delta: -23.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:32,760 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 98.6 MB. Free memory is still 54.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:23:32,761 INFO L168 Benchmark]: CACSL2BoogieTranslator took 396.41 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 69.9 MB in the beginning and 93.8 MB in the end (delta: -23.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:32,763 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 98.6 MB. Free memory is still 54.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 396.41 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 69.9 MB in the beginning and 93.8 MB in the end (delta: -23.9 MB). Peak memory consumption was 10.5 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 0.2.0-7b2dab5 [2021-10-11 02:23:35,179 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:23:35,183 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:23:35,238 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:23:35,239 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:23:35,244 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:23:35,247 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:23:35,252 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:23:35,257 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:23:35,265 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:23:35,270 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:23:35,271 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:23:35,272 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:23:35,275 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:23:35,277 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:23:35,279 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:23:35,281 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:23:35,285 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:23:35,288 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:23:35,294 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:23:35,305 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:23:35,307 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:23:35,310 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:23:35,313 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:23:35,323 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:23:35,325 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:23:35,325 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:23:35,328 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:23:35,329 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:23:35,330 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:23:35,331 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:23:35,332 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:23:35,334 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:23:35,335 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:23:35,337 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:23:35,337 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:23:35,339 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:23:35,339 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:23:35,339 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:23:35,341 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:23:35,342 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:23:35,343 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405564da-854f-44e2-920a-3917274d8a02/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:23:35,387 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:23:35,388 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:23:35,389 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:23:35,390 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:23:35,390 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:23:35,390 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:23:35,390 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:23:35,391 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:23:35,391 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:23:35,393 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:23:35,394 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:23:35,394 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:23:35,395 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:23:35,395 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:23:35,395 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:23:35,395 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:23:35,396 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:23:35,396 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:23:35,396 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:23:35,396 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:23:35,397 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:23:35,397 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:23:35,397 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:23:35,397 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:23:35,398 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:23:35,398 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:23:35,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:23:35,399 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:23:35,399 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:23:35,399 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:23:35,399 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:23:35,400 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:23:35,400 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:23:35,400 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:23:35,401 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:23:35,401 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_405564da-854f-44e2-920a-3917274d8a02/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405564da-854f-44e2-920a-3917274d8a02/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db09c246a09e1a5256409434d3f5c428f7be014f [2021-10-11 02:23:35,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:23:35,830 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:23:35,834 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:23:35,835 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:23:35,836 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:23:35,836 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405564da-854f-44e2-920a-3917274d8a02/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec1_product09.cil.c [2021-10-11 02:23:35,908 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405564da-854f-44e2-920a-3917274d8a02/bin/utaipan-WLngWcDbfI/data/56caf629a/51db1ee540d44fa9b3efcd47f3e5edb6/FLAG4c35114ae [2021-10-11 02:23:36,594 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:23:36,597 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405564da-854f-44e2-920a-3917274d8a02/sv-benchmarks/c/product-lines/minepump_spec1_product09.cil.c [2021-10-11 02:23:36,618 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405564da-854f-44e2-920a-3917274d8a02/bin/utaipan-WLngWcDbfI/data/56caf629a/51db1ee540d44fa9b3efcd47f3e5edb6/FLAG4c35114ae [2021-10-11 02:23:36,900 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405564da-854f-44e2-920a-3917274d8a02/bin/utaipan-WLngWcDbfI/data/56caf629a/51db1ee540d44fa9b3efcd47f3e5edb6 [2021-10-11 02:23:36,904 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:23:36,906 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:23:36,908 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:23:36,908 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:23:36,912 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:23:36,912 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:23:36" (1/1) ... [2021-10-11 02:23:36,915 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63f22036 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:36, skipping insertion in model container [2021-10-11 02:23:36,916 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:23:36" (1/1) ... [2021-10-11 02:23:36,924 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:23:36,987 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:23:37,231 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_405564da-854f-44e2-920a-3917274d8a02/sv-benchmarks/c/product-lines/minepump_spec1_product09.cil.c[12706,12719] [2021-10-11 02:23:37,324 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:23:37,351 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:23:37,367 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:23:37,481 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_405564da-854f-44e2-920a-3917274d8a02/sv-benchmarks/c/product-lines/minepump_spec1_product09.cil.c[12706,12719] [2021-10-11 02:23:37,505 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:23:37,522 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:23:37,610 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_405564da-854f-44e2-920a-3917274d8a02/sv-benchmarks/c/product-lines/minepump_spec1_product09.cil.c[12706,12719] [2021-10-11 02:23:37,633 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:23:37,675 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:23:37,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:37 WrapperNode [2021-10-11 02:23:37,676 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:23:37,678 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:23:37,678 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:23:37,678 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:23:37,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:37" (1/1) ... [2021-10-11 02:23:37,721 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:37" (1/1) ... [2021-10-11 02:23:37,781 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:23:37,781 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:23:37,782 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:23:37,782 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:23:37,792 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:37" (1/1) ... [2021-10-11 02:23:37,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:37" (1/1) ... [2021-10-11 02:23:37,814 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:37" (1/1) ... [2021-10-11 02:23:37,814 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:37" (1/1) ... [2021-10-11 02:23:37,823 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:37" (1/1) ... [2021-10-11 02:23:37,842 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:37" (1/1) ... [2021-10-11 02:23:37,844 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:37" (1/1) ... [2021-10-11 02:23:37,847 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:23:37,848 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:23:37,848 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:23:37,848 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:23:37,849 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:37" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405564da-854f-44e2-920a-3917274d8a02/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 02:23:37,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:23:37,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:23:37,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:23:37,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:23:40,388 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:23:40,388 INFO L299 CfgBuilder]: Removed 66 assume(true) statements. [2021-10-11 02:23:40,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:23:40 BoogieIcfgContainer [2021-10-11 02:23:40,390 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:23:40,392 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:23:40,392 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:23:40,395 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:23:40,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:23:36" (1/3) ... [2021-10-11 02:23:40,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49ebe540 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:23:40, skipping insertion in model container [2021-10-11 02:23:40,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:37" (2/3) ... [2021-10-11 02:23:40,397 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49ebe540 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:23:40, skipping insertion in model container [2021-10-11 02:23:40,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:23:40" (3/3) ... [2021-10-11 02:23:40,398 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product09.cil.c [2021-10-11 02:23:40,412 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:23:40,415 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:23:40,427 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:23:40,461 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:23:40,461 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:23:40,462 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:23:40,462 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:23:40,462 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:23:40,462 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:23:40,462 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:23:40,462 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:23:40,477 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states. [2021-10-11 02:23:40,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 02:23:40,483 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:40,483 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:23:40,484 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:40,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:40,490 INFO L82 PathProgramCache]: Analyzing trace with hash 881855315, now seen corresponding path program 1 times [2021-10-11 02:23:40,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:23:40,504 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2130824665] [2021-10-11 02:23:40,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405564da-854f-44e2-920a-3917274d8a02/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 02:23:40,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:40,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:23:40,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:40,774 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 02:23:40,775 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:23:40,775 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2130824665] [2021-10-11 02:23:40,776 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:23:40,776 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:23:40,777 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559553203] [2021-10-11 02:23:40,781 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:23:40,781 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:23:40,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:23:40,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:23:40,796 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 2 states. [2021-10-11 02:23:40,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:40,819 INFO L93 Difference]: Finished difference Result 108 states and 161 transitions. [2021-10-11 02:23:40,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:23:40,821 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 02:23:40,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:40,829 INFO L225 Difference]: With dead ends: 108 [2021-10-11 02:23:40,829 INFO L226 Difference]: Without dead ends: 53 [2021-10-11 02:23:40,832 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 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 02:23:40,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-10-11 02:23:40,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-10-11 02:23:40,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2021-10-11 02:23:40,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2021-10-11 02:23:40,876 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 16 [2021-10-11 02:23:40,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:40,876 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2021-10-11 02:23:40,876 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:23:40,876 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2021-10-11 02:23:40,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 02:23:40,877 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:40,877 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:23:41,093 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:23:41,093 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:41,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:41,094 INFO L82 PathProgramCache]: Analyzing trace with hash 1127498704, now seen corresponding path program 1 times [2021-10-11 02:23:41,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:23:41,095 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1023467919] [2021-10-11 02:23:41,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405564da-854f-44e2-920a-3917274d8a02/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 02:23:41,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:41,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:23:41,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:41,428 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 02:23:41,428 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:23:41,429 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1023467919] [2021-10-11 02:23:41,429 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:23:41,429 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:23:41,429 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710710409] [2021-10-11 02:23:41,431 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:23:41,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:23:41,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:23:41,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:23:41,434 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand 3 states. [2021-10-11 02:23:41,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:41,455 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2021-10-11 02:23:41,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:23:41,456 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 02:23:41,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:41,457 INFO L225 Difference]: With dead ends: 53 [2021-10-11 02:23:41,458 INFO L226 Difference]: Without dead ends: 27 [2021-10-11 02:23:41,459 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 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 02:23:41,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-10-11 02:23:41,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-10-11 02:23:41,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-10-11 02:23:41,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2021-10-11 02:23:41,471 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 17 [2021-10-11 02:23:41,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:41,475 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2021-10-11 02:23:41,475 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:23:41,475 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2021-10-11 02:23:41,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 02:23:41,478 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:41,478 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] [2021-10-11 02:23:41,692 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:23:41,693 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:41,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:41,694 INFO L82 PathProgramCache]: Analyzing trace with hash -357317040, now seen corresponding path program 1 times [2021-10-11 02:23:41,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:23:41,695 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1621711953] [2021-10-11 02:23:41,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405564da-854f-44e2-920a-3917274d8a02/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 02:23:41,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:41,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:23:41,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:41,939 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 02:23:41,939 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:23:41,940 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1621711953] [2021-10-11 02:23:41,940 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:23:41,940 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:23:41,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402512826] [2021-10-11 02:23:41,941 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:23:41,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:23:41,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:23:41,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:23:41,942 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand 5 states. [2021-10-11 02:23:42,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:42,037 INFO L93 Difference]: Finished difference Result 109 states and 167 transitions. [2021-10-11 02:23:42,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 02:23:42,038 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2021-10-11 02:23:42,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:42,039 INFO L225 Difference]: With dead ends: 109 [2021-10-11 02:23:42,039 INFO L226 Difference]: Without dead ends: 88 [2021-10-11 02:23:42,040 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:23:42,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2021-10-11 02:23:42,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 44. [2021-10-11 02:23:42,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2021-10-11 02:23:42,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 62 transitions. [2021-10-11 02:23:42,050 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 62 transitions. Word has length 22 [2021-10-11 02:23:42,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:42,050 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 62 transitions. [2021-10-11 02:23:42,050 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:23:42,050 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 62 transitions. [2021-10-11 02:23:42,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-11 02:23:42,051 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:42,051 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] [2021-10-11 02:23:42,267 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:23:42,267 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:42,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:42,268 INFO L82 PathProgramCache]: Analyzing trace with hash -1956889594, now seen corresponding path program 1 times [2021-10-11 02:23:42,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:23:42,269 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1008333329] [2021-10-11 02:23:42,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405564da-854f-44e2-920a-3917274d8a02/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 02:23:42,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:42,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:23:42,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:42,560 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 02:23:42,561 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:23:42,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1008333329] [2021-10-11 02:23:42,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:23:42,562 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:23:42,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032985412] [2021-10-11 02:23:42,563 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:23:42,564 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:23:42,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:23:42,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:23:42,569 INFO L87 Difference]: Start difference. First operand 44 states and 62 transitions. Second operand 5 states. [2021-10-11 02:23:42,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:42,659 INFO L93 Difference]: Finished difference Result 130 states and 193 transitions. [2021-10-11 02:23:42,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:23:42,660 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2021-10-11 02:23:42,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:42,661 INFO L225 Difference]: With dead ends: 130 [2021-10-11 02:23:42,661 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:23:42,662 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:23:42,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:23:42,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:23:42,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:23:42,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:23:42,663 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2021-10-11 02:23:42,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:42,663 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:23:42,664 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:23:42,664 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:23:42,664 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:23:42,880 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:23:42,882 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:23:43,146 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 536) no Hoare annotation was computed. [2021-10-11 02:23:43,146 INFO L262 CegarLoopResult]: For program point L482(lines 482 486) no Hoare annotation was computed. [2021-10-11 02:23:43,147 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:23:43,147 INFO L262 CegarLoopResult]: For program point L846(lines 846 852) no Hoare annotation was computed. [2021-10-11 02:23:43,147 INFO L262 CegarLoopResult]: For program point L780(lines 779 824) no Hoare annotation was computed. [2021-10-11 02:23:43,147 INFO L262 CegarLoopResult]: For program point L846-2(lines 846 852) no Hoare annotation was computed. [2021-10-11 02:23:43,147 INFO L262 CegarLoopResult]: For program point L846-4(lines 846 852) no Hoare annotation was computed. [2021-10-11 02:23:43,147 INFO L262 CegarLoopResult]: For program point L781(lines 781 785) no Hoare annotation was computed. [2021-10-11 02:23:43,147 INFO L262 CegarLoopResult]: For program point L815(lines 815 819) no Hoare annotation was computed. [2021-10-11 02:23:43,147 INFO L262 CegarLoopResult]: For program point L815-2(lines 651 657) no Hoare annotation was computed. [2021-10-11 02:23:43,148 INFO L262 CegarLoopResult]: For program point L799(lines 799 805) no Hoare annotation was computed. [2021-10-11 02:23:43,148 INFO L258 CegarLoopResult]: At program point L799-1(lines 799 805) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:23:43,148 INFO L258 CegarLoopResult]: At program point L651(lines 650 669) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:23:43,148 INFO L262 CegarLoopResult]: For program point L651-1(lines 651 657) no Hoare annotation was computed. [2021-10-11 02:23:43,149 INFO L258 CegarLoopResult]: At program point L651-2(lines 650 669) the Hoare annotation is: false [2021-10-11 02:23:43,149 INFO L258 CegarLoopResult]: At program point L651-3(lines 650 669) the Hoare annotation is: false [2021-10-11 02:23:43,150 INFO L265 CegarLoopResult]: At program point L635(lines 616 638) the Hoare annotation is: true [2021-10-11 02:23:43,150 INFO L258 CegarLoopResult]: At program point L602(lines 598 604) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32))) [2021-10-11 02:23:43,150 INFO L262 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2021-10-11 02:23:43,150 INFO L262 CegarLoopResult]: For program point L536-1(line 536) no Hoare annotation was computed. [2021-10-11 02:23:43,150 INFO L262 CegarLoopResult]: For program point L470(lines 470 474) no Hoare annotation was computed. [2021-10-11 02:23:43,150 INFO L262 CegarLoopResult]: For program point L536-2(line 536) no Hoare annotation was computed. [2021-10-11 02:23:43,150 INFO L258 CegarLoopResult]: At program point L553-2(lines 553 567) the Hoare annotation is: false [2021-10-11 02:23:43,150 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:23:43,151 INFO L258 CegarLoopResult]: At program point L75(lines 70 78) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32))) [2021-10-11 02:23:43,151 INFO L262 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2021-10-11 02:23:43,151 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 536) no Hoare annotation was computed. [2021-10-11 02:23:43,151 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:23:43,151 INFO L262 CegarLoopResult]: For program point L557(lines 557 561) no Hoare annotation was computed. [2021-10-11 02:23:43,151 INFO L262 CegarLoopResult]: For program point L557-1(lines 651 657) no Hoare annotation was computed. [2021-10-11 02:23:43,151 INFO L262 CegarLoopResult]: For program point L458(lines 458 462) no Hoare annotation was computed. [2021-10-11 02:23:43,151 INFO L262 CegarLoopResult]: For program point L458-3(lines 458 462) no Hoare annotation was computed. [2021-10-11 02:23:43,153 INFO L262 CegarLoopResult]: For program point L458-6(lines 458 462) no Hoare annotation was computed. [2021-10-11 02:23:43,157 INFO L262 CegarLoopResult]: For program point L789(lines 789 795) no Hoare annotation was computed. [2021-10-11 02:23:43,157 INFO L258 CegarLoopResult]: At program point L789-1(lines 789 795) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:23:43,158 INFO L258 CegarLoopResult]: At program point L658(lines 658 664) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:23:43,158 INFO L258 CegarLoopResult]: At program point L658-1(lines 658 664) the Hoare annotation is: false [2021-10-11 02:23:43,158 INFO L258 CegarLoopResult]: At program point L658-2(lines 658 664) the Hoare annotation is: false [2021-10-11 02:23:43,158 INFO L262 CegarLoopResult]: For program point L626(lines 626 633) no Hoare annotation was computed. [2021-10-11 02:23:43,158 INFO L265 CegarLoopResult]: At program point L626-1(lines 626 633) the Hoare annotation is: true [2021-10-11 02:23:43,158 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:23:43,158 INFO L258 CegarLoopResult]: At program point L825(lines 778 826) the Hoare annotation is: false [2021-10-11 02:23:43,159 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 536) no Hoare annotation was computed. [2021-10-11 02:23:43,159 INFO L258 CegarLoopResult]: At program point L495(lines 490 498) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:23:43,159 INFO L258 CegarLoopResult]: At program point L495-1(lines 490 498) the Hoare annotation is: false [2021-10-11 02:23:43,159 INFO L258 CegarLoopResult]: At program point L495-2(lines 490 498) the Hoare annotation is: false [2021-10-11 02:23:43,159 INFO L262 CegarLoopResult]: For program point L842(lines 842 855) no Hoare annotation was computed. [2021-10-11 02:23:43,159 INFO L262 CegarLoopResult]: For program point L809(lines 809 820) no Hoare annotation was computed. [2021-10-11 02:23:43,159 INFO L258 CegarLoopResult]: At program point L842-1(lines 1 858) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:23:43,159 INFO L262 CegarLoopResult]: For program point L842-2(lines 842 855) no Hoare annotation was computed. [2021-10-11 02:23:43,160 INFO L258 CegarLoopResult]: At program point L842-3(lines 1 858) the Hoare annotation is: false [2021-10-11 02:23:43,160 INFO L262 CegarLoopResult]: For program point L842-4(lines 842 855) no Hoare annotation was computed. [2021-10-11 02:23:43,160 INFO L258 CegarLoopResult]: At program point L842-5(lines 1 858) the Hoare annotation is: false [2021-10-11 02:23:43,160 INFO L258 CegarLoopResult]: At program point L67(lines 1 858) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32))) [2021-10-11 02:23:43,161 INFO L258 CegarLoopResult]: At program point L728(lines 723 731) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:23:43,161 INFO L258 CegarLoopResult]: At program point L728-1(lines 723 731) the Hoare annotation is: false [2021-10-11 02:23:43,161 INFO L258 CegarLoopResult]: At program point L728-2(lines 723 731) the Hoare annotation is: false [2021-10-11 02:23:43,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:23:43 BoogieIcfgContainer [2021-10-11 02:23:43,186 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:23:43,187 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:23:43,187 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:23:43,188 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:23:43,188 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:23:40" (3/4) ... [2021-10-11 02:23:43,191 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:23:43,206 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:23:43,207 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:23:43,208 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:23:43,208 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:23:43,208 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:23:43,209 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:23:43,209 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:23:43,235 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-10-11 02:23:43,299 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405564da-854f-44e2-920a-3917274d8a02/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:23:43,299 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:23:43,301 INFO L168 Benchmark]: Toolchain (without parser) took 6394.14 ms. Allocated memory was 52.4 MB in the beginning and 86.0 MB in the end (delta: 33.6 MB). Free memory was 28.7 MB in the beginning and 55.4 MB in the end (delta: -26.7 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:43,301 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 52.4 MB. Free memory was 33.6 MB in the beginning and 33.5 MB in the end (delta: 38.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:23:43,302 INFO L168 Benchmark]: CACSL2BoogieTranslator took 768.93 ms. Allocated memory was 52.4 MB in the beginning and 71.3 MB in the end (delta: 18.9 MB). Free memory was 28.5 MB in the beginning and 40.7 MB in the end (delta: -12.2 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:43,302 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.86 ms. Allocated memory is still 71.3 MB. Free memory was 40.7 MB in the beginning and 53.3 MB in the end (delta: -12.6 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:43,302 INFO L168 Benchmark]: Boogie Preprocessor took 65.99 ms. Allocated memory is still 71.3 MB. Free memory was 53.3 MB in the beginning and 51.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:43,303 INFO L168 Benchmark]: RCFGBuilder took 2542.35 ms. Allocated memory is still 71.3 MB. Free memory was 51.5 MB in the beginning and 34.9 MB in the end (delta: 16.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:43,303 INFO L168 Benchmark]: TraceAbstraction took 2794.45 ms. Allocated memory was 71.3 MB in the beginning and 86.0 MB in the end (delta: 14.7 MB). Free memory was 34.5 MB in the beginning and 60.2 MB in the end (delta: -25.8 MB). Peak memory consumption was 22.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:43,304 INFO L168 Benchmark]: Witness Printer took 112.10 ms. Allocated memory is still 86.0 MB. Free memory was 60.2 MB in the beginning and 55.4 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:43,306 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 52.4 MB. Free memory was 33.6 MB in the beginning and 33.5 MB in the end (delta: 38.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 768.93 ms. Allocated memory was 52.4 MB in the beginning and 71.3 MB in the end (delta: 18.9 MB). Free memory was 28.5 MB in the beginning and 40.7 MB in the end (delta: -12.2 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 102.86 ms. Allocated memory is still 71.3 MB. Free memory was 40.7 MB in the beginning and 53.3 MB in the end (delta: -12.6 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 65.99 ms. Allocated memory is still 71.3 MB. Free memory was 53.3 MB in the beginning and 51.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2542.35 ms. Allocated memory is still 71.3 MB. Free memory was 51.5 MB in the beginning and 34.9 MB in the end (delta: 16.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2794.45 ms. Allocated memory was 71.3 MB in the beginning and 86.0 MB in the end (delta: 14.7 MB). Free memory was 34.5 MB in the beginning and 60.2 MB in the end (delta: -25.8 MB). Peak memory consumption was 22.2 MB. Max. memory is 16.1 GB. * Witness Printer took 112.10 ms. Allocated memory is still 86.0 MB. Free memory was 60.2 MB in the beginning and 55.4 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 536]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 536]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 536]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 723]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 723]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 723]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 789]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && methaneLevelCritical == 0bv32 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && methaneLevelCritical == 0bv32 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && methaneLevelCritical == 0bv32 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 57 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.4s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 217 SDtfs, 228 SDslu, 219 SDs, 0 SdLazy, 33 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 82 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 44 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 24 PreInvPairs, 59 NumberOfFragments, 87 HoareAnnotationTreeSize, 24 FomulaSimplifications, 818 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 24 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 2490 SizeOfPredicates, 7 NumberOfNonLiveVariables, 775 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...