./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product11.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_2a1f1304-b013-46e4-aac9-c70edd5328b3/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f1304-b013-46e4-aac9-c70edd5328b3/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_2a1f1304-b013-46e4-aac9-c70edd5328b3/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f1304-b013-46e4-aac9-c70edd5328b3/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f1304-b013-46e4-aac9-c70edd5328b3/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_2a1f1304-b013-46e4-aac9-c70edd5328b3/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 48c39be663ea9587abdd0baa0fb24ac54d02b705 ............................................................................................................................................ 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_2a1f1304-b013-46e4-aac9-c70edd5328b3/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f1304-b013-46e4-aac9-c70edd5328b3/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_2a1f1304-b013-46e4-aac9-c70edd5328b3/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f1304-b013-46e4-aac9-c70edd5328b3/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f1304-b013-46e4-aac9-c70edd5328b3/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_2a1f1304-b013-46e4-aac9-c70edd5328b3/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 48c39be663ea9587abdd0baa0fb24ac54d02b705 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 02:22:11,563 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:22:11,565 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:22:11,635 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:22:11,636 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:22:11,637 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:22:11,639 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:22:11,644 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:22:11,651 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:22:11,655 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:22:11,656 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:22:11,658 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:22:11,660 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:22:11,663 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:22:11,665 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:22:11,667 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:22:11,669 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:22:11,674 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:22:11,678 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:22:11,682 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:22:11,689 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:22:11,691 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:22:11,692 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:22:11,694 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:22:11,701 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:22:11,706 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:22:11,706 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:22:11,707 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:22:11,709 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:22:11,710 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:22:11,711 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:22:11,712 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:22:11,714 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:22:11,716 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:22:11,718 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:22:11,718 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:22:11,719 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:22:11,719 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:22:11,719 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:22:11,720 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:22:11,721 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:22:11,723 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f1304-b013-46e4-aac9-c70edd5328b3/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:22:11,766 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:22:11,769 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:22:11,771 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:22:11,771 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:22:11,772 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:22:11,772 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:22:11,772 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:22:11,772 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:22:11,779 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:22:11,780 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:22:11,781 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:22:11,781 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:22:11,782 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:22:11,782 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:22:11,782 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:22:11,783 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:22:11,783 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:22:11,784 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:22:11,784 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:22:11,784 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:22:11,784 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:22:11,785 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:22:11,785 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:22:11,785 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:22:11,785 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:22:11,786 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:22:11,786 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:22:11,786 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:22:11,786 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:22:11,788 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:22:11,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:22:11,789 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:22:11,789 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:22:11,789 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:22:11,790 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:22:11,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:22:11,790 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:22:11,790 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:22:11,790 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:22:11,791 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_2a1f1304-b013-46e4-aac9-c70edd5328b3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f1304-b013-46e4-aac9-c70edd5328b3/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 48c39be663ea9587abdd0baa0fb24ac54d02b705 [2021-10-11 02:22:12,088 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:22:12,133 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:22:12,135 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:22:12,137 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:22:12,137 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:22:12,138 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f1304-b013-46e4-aac9-c70edd5328b3/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c [2021-10-11 02:22:12,206 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f1304-b013-46e4-aac9-c70edd5328b3/bin/utaipan-WLngWcDbfI/data/5ff212922/679d3a1ae7374b32a006ca84feceeb71/FLAG790fd416d [2021-10-11 02:22:12,745 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:22:12,745 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f1304-b013-46e4-aac9-c70edd5328b3/sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c [2021-10-11 02:22:12,757 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f1304-b013-46e4-aac9-c70edd5328b3/bin/utaipan-WLngWcDbfI/data/5ff212922/679d3a1ae7374b32a006ca84feceeb71/FLAG790fd416d [2021-10-11 02:22:13,048 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f1304-b013-46e4-aac9-c70edd5328b3/bin/utaipan-WLngWcDbfI/data/5ff212922/679d3a1ae7374b32a006ca84feceeb71 [2021-10-11 02:22:13,051 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:22:13,053 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:22:13,055 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:22:13,055 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:22:13,059 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:22:13,060 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:22:13" (1/1) ... [2021-10-11 02:22:13,062 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52bbb0aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:13, skipping insertion in model container [2021-10-11 02:22:13,062 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:22:13" (1/1) ... [2021-10-11 02:22:13,069 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:22:13,108 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:22:13,306 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_2a1f1304-b013-46e4-aac9-c70edd5328b3/sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c[1281,1294] [2021-10-11 02:22:13,432 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:22:13,455 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 02:22:13,457 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7c734edb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:13, skipping insertion in model container [2021-10-11 02:22:13,458 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:22:13,458 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:22:13,461 INFO L168 Benchmark]: Toolchain (without parser) took 406.42 ms. Allocated memory is still 113.2 MB. Free memory was 73.4 MB in the beginning and 85.6 MB in the end (delta: -12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:13,462 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 113.2 MB. Free memory is still 90.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:22:13,464 INFO L168 Benchmark]: CACSL2BoogieTranslator took 403.05 ms. Allocated memory is still 113.2 MB. Free memory was 73.2 MB in the beginning and 85.6 MB in the end (delta: -12.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:13,467 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 113.2 MB. Free memory is still 90.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 403.05 ms. Allocated memory is still 113.2 MB. Free memory was 73.2 MB in the beginning and 85.6 MB in the end (delta: -12.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 505]: 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 02:22:15,778 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:22:15,786 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:22:15,834 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:22:15,835 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:22:15,840 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:22:15,843 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:22:15,851 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:22:15,854 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:22:15,861 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:22:15,862 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:22:15,863 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:22:15,864 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:22:15,865 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:22:15,866 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:22:15,868 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:22:15,873 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:22:15,874 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:22:15,878 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:22:15,881 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:22:15,886 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:22:15,888 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:22:15,891 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:22:15,893 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:22:15,900 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:22:15,905 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:22:15,906 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:22:15,907 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:22:15,908 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:22:15,910 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:22:15,910 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:22:15,911 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:22:15,913 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:22:15,914 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:22:15,915 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:22:15,916 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:22:15,917 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:22:15,917 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:22:15,917 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:22:15,919 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:22:15,920 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:22:15,921 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f1304-b013-46e4-aac9-c70edd5328b3/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:22:15,952 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:22:15,952 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:22:15,954 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:22:15,954 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:22:15,954 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:22:15,954 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:22:15,955 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:22:15,955 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:22:15,955 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:22:15,956 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:22:15,957 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:22:15,958 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:22:15,958 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:22:15,958 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:22:15,958 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:22:15,958 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:22:15,959 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:22:15,959 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:22:15,959 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:22:15,959 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:22:15,959 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:22:15,960 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:22:15,960 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:22:15,960 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:22:15,960 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:22:15,960 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:22:15,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:22:15,961 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:22:15,961 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:22:15,961 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:22:15,961 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:22:15,962 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:22:15,962 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:22:15,962 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:22:15,962 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:22:15,963 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_2a1f1304-b013-46e4-aac9-c70edd5328b3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f1304-b013-46e4-aac9-c70edd5328b3/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 48c39be663ea9587abdd0baa0fb24ac54d02b705 [2021-10-11 02:22:16,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:22:16,437 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:22:16,441 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:22:16,442 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:22:16,443 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:22:16,447 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f1304-b013-46e4-aac9-c70edd5328b3/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c [2021-10-11 02:22:16,535 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f1304-b013-46e4-aac9-c70edd5328b3/bin/utaipan-WLngWcDbfI/data/f000c6db4/2b023e001bde4e53bc86d8e9670e89b2/FLAG623dacbda [2021-10-11 02:22:17,085 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:22:17,085 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f1304-b013-46e4-aac9-c70edd5328b3/sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c [2021-10-11 02:22:17,104 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f1304-b013-46e4-aac9-c70edd5328b3/bin/utaipan-WLngWcDbfI/data/f000c6db4/2b023e001bde4e53bc86d8e9670e89b2/FLAG623dacbda [2021-10-11 02:22:17,433 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f1304-b013-46e4-aac9-c70edd5328b3/bin/utaipan-WLngWcDbfI/data/f000c6db4/2b023e001bde4e53bc86d8e9670e89b2 [2021-10-11 02:22:17,436 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:22:17,439 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:22:17,440 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:22:17,440 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:22:17,444 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:22:17,446 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:22:17" (1/1) ... [2021-10-11 02:22:17,448 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ba2755 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:17, skipping insertion in model container [2021-10-11 02:22:17,449 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:22:17" (1/1) ... [2021-10-11 02:22:17,459 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:22:17,527 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:22:17,710 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_2a1f1304-b013-46e4-aac9-c70edd5328b3/sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c[1281,1294] [2021-10-11 02:22:17,972 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:22:18,000 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:22:18,020 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:22:18,029 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_2a1f1304-b013-46e4-aac9-c70edd5328b3/sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c[1281,1294] [2021-10-11 02:22:18,114 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:22:18,130 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:22:18,150 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_2a1f1304-b013-46e4-aac9-c70edd5328b3/sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c[1281,1294] [2021-10-11 02:22:18,229 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:22:18,280 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:22:18,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:18 WrapperNode [2021-10-11 02:22:18,280 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:22:18,282 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:22:18,282 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:22:18,282 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:22:18,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:18" (1/1) ... [2021-10-11 02:22:18,323 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:18" (1/1) ... [2021-10-11 02:22:18,379 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:22:18,382 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:22:18,383 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:22:18,383 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:22:18,391 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:18" (1/1) ... [2021-10-11 02:22:18,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:18" (1/1) ... [2021-10-11 02:22:18,403 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:18" (1/1) ... [2021-10-11 02:22:18,404 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:18" (1/1) ... [2021-10-11 02:22:18,439 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:18" (1/1) ... [2021-10-11 02:22:18,444 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:18" (1/1) ... [2021-10-11 02:22:18,446 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:18" (1/1) ... [2021-10-11 02:22:18,463 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:22:18,465 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:22:18,465 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:22:18,466 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:22:18,466 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:18" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f1304-b013-46e4-aac9-c70edd5328b3/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 02:22:18,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:22:18,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:22:18,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:22:18,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:22:20,831 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:22:20,832 INFO L299 CfgBuilder]: Removed 70 assume(true) statements. [2021-10-11 02:22:20,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:22:20 BoogieIcfgContainer [2021-10-11 02:22:20,834 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:22:20,837 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:22:20,837 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:22:20,840 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:22:20,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:22:17" (1/3) ... [2021-10-11 02:22:20,842 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c3f2df5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:22:20, skipping insertion in model container [2021-10-11 02:22:20,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:18" (2/3) ... [2021-10-11 02:22:20,842 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c3f2df5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:22:20, skipping insertion in model container [2021-10-11 02:22:20,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:22:20" (3/3) ... [2021-10-11 02:22:20,847 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product11.cil.c [2021-10-11 02:22:20,862 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:22:20,866 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:22:20,878 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:22:20,903 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:22:20,903 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:22:20,903 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:22:20,903 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:22:20,903 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:22:20,904 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:22:20,904 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:22:20,904 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:22:20,917 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2021-10-11 02:22:20,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 02:22:20,923 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:20,924 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:22:20,925 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:20,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:20,931 INFO L82 PathProgramCache]: Analyzing trace with hash 1256308090, now seen corresponding path program 1 times [2021-10-11 02:22:20,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:20,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1661412772] [2021-10-11 02:22:20,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f1304-b013-46e4-aac9-c70edd5328b3/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 02:22:21,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:21,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:22:21,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:21,247 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 02:22:21,247 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:21,248 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1661412772] [2021-10-11 02:22:21,249 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:21,249 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:22:21,251 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867438336] [2021-10-11 02:22:21,255 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:22:21,256 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:21,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:22:21,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:22:21,271 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 2 states. [2021-10-11 02:22:21,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:21,293 INFO L93 Difference]: Finished difference Result 112 states and 167 transitions. [2021-10-11 02:22:21,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:22:21,295 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 02:22:21,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:21,303 INFO L225 Difference]: With dead ends: 112 [2021-10-11 02:22:21,304 INFO L226 Difference]: Without dead ends: 55 [2021-10-11 02:22:21,307 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 02:22:21,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-10-11 02:22:21,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-10-11 02:22:21,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2021-10-11 02:22:21,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 75 transitions. [2021-10-11 02:22:21,343 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 75 transitions. Word has length 16 [2021-10-11 02:22:21,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:21,343 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 75 transitions. [2021-10-11 02:22:21,344 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:22:21,344 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2021-10-11 02:22:21,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 02:22:21,345 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:21,345 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 02:22:21,552 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:22:21,552 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:21,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:21,553 INFO L82 PathProgramCache]: Analyzing trace with hash 209551193, now seen corresponding path program 1 times [2021-10-11 02:22:21,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:21,554 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1601275518] [2021-10-11 02:22:21,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f1304-b013-46e4-aac9-c70edd5328b3/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 02:22:21,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:21,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:22:21,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:21,810 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 02:22:21,810 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:21,811 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1601275518] [2021-10-11 02:22:21,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:21,811 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:22:21,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898592272] [2021-10-11 02:22:21,813 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:22:21,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:21,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:22:21,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:22:21,815 INFO L87 Difference]: Start difference. First operand 55 states and 75 transitions. Second operand 3 states. [2021-10-11 02:22:21,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:21,836 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2021-10-11 02:22:21,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:22:21,838 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 02:22:21,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:21,841 INFO L225 Difference]: With dead ends: 55 [2021-10-11 02:22:21,841 INFO L226 Difference]: Without dead ends: 29 [2021-10-11 02:22:21,843 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 02:22:21,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-10-11 02:22:21,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2021-10-11 02:22:21,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-10-11 02:22:21,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2021-10-11 02:22:21,854 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 17 [2021-10-11 02:22:21,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:21,858 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2021-10-11 02:22:21,858 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:22:21,858 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2021-10-11 02:22:21,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 02:22:21,859 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:21,860 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 02:22:22,079 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:22:22,079 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:22,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:22,080 INFO L82 PathProgramCache]: Analyzing trace with hash 474467475, now seen corresponding path program 1 times [2021-10-11 02:22:22,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:22,081 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1251014499] [2021-10-11 02:22:22,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f1304-b013-46e4-aac9-c70edd5328b3/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 02:22:22,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:22,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:22:22,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:22,326 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 02:22:22,326 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:22,327 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1251014499] [2021-10-11 02:22:22,327 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:22,327 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:22:22,327 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140519663] [2021-10-11 02:22:22,328 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:22:22,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:22,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:22:22,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:22:22,329 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 3 states. [2021-10-11 02:22:22,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:22,346 INFO L93 Difference]: Finished difference Result 75 states and 108 transitions. [2021-10-11 02:22:22,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:22:22,346 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2021-10-11 02:22:22,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:22,349 INFO L225 Difference]: With dead ends: 75 [2021-10-11 02:22:22,349 INFO L226 Difference]: Without dead ends: 52 [2021-10-11 02:22:22,349 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 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 02:22:22,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2021-10-11 02:22:22,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 48. [2021-10-11 02:22:22,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2021-10-11 02:22:22,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2021-10-11 02:22:22,359 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 22 [2021-10-11 02:22:22,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:22,359 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2021-10-11 02:22:22,359 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:22:22,359 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2021-10-11 02:22:22,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 02:22:22,360 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:22,360 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 02:22:22,577 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:22:22,577 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:22,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:22,578 INFO L82 PathProgramCache]: Analyzing trace with hash 2106923728, now seen corresponding path program 1 times [2021-10-11 02:22:22,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:22,579 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1765255649] [2021-10-11 02:22:22,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f1304-b013-46e4-aac9-c70edd5328b3/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 02:22:22,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:22,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:22:22,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:22,843 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 02:22:22,844 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:22,844 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1765255649] [2021-10-11 02:22:22,845 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:22,845 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:22:22,845 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359917219] [2021-10-11 02:22:22,846 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:22:22,846 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:22,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:22:22,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:22:22,849 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand 5 states. [2021-10-11 02:22:22,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:22,997 INFO L93 Difference]: Finished difference Result 169 states and 257 transitions. [2021-10-11 02:22:22,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:22:22,998 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2021-10-11 02:22:22,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:23,003 INFO L225 Difference]: With dead ends: 169 [2021-10-11 02:22:23,003 INFO L226 Difference]: Without dead ends: 127 [2021-10-11 02:22:23,005 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 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 02:22:23,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2021-10-11 02:22:23,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 84. [2021-10-11 02:22:23,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2021-10-11 02:22:23,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 119 transitions. [2021-10-11 02:22:23,041 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 119 transitions. Word has length 22 [2021-10-11 02:22:23,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:23,042 INFO L481 AbstractCegarLoop]: Abstraction has 84 states and 119 transitions. [2021-10-11 02:22:23,043 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:22:23,043 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 119 transitions. [2021-10-11 02:22:23,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-11 02:22:23,044 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:23,045 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 02:22:23,264 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:22:23,264 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:23,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:23,265 INFO L82 PathProgramCache]: Analyzing trace with hash -170450738, now seen corresponding path program 1 times [2021-10-11 02:22:23,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:23,266 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [628933088] [2021-10-11 02:22:23,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f1304-b013-46e4-aac9-c70edd5328b3/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 02:22:23,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:23,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-11 02:22:23,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:23,520 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 02:22:23,520 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:23,520 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [628933088] [2021-10-11 02:22:23,521 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:23,521 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:22:23,521 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507759242] [2021-10-11 02:22:23,521 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:22:23,522 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:23,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:22:23,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:22:23,523 INFO L87 Difference]: Start difference. First operand 84 states and 119 transitions. Second operand 6 states. [2021-10-11 02:22:25,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:25,066 INFO L93 Difference]: Finished difference Result 230 states and 342 transitions. [2021-10-11 02:22:25,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 02:22:25,067 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2021-10-11 02:22:25,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:25,068 INFO L225 Difference]: With dead ends: 230 [2021-10-11 02:22:25,069 INFO L226 Difference]: Without dead ends: 188 [2021-10-11 02:22:25,069 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:22:25,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2021-10-11 02:22:25,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 156. [2021-10-11 02:22:25,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2021-10-11 02:22:25,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 223 transitions. [2021-10-11 02:22:25,091 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 223 transitions. Word has length 23 [2021-10-11 02:22:25,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:25,091 INFO L481 AbstractCegarLoop]: Abstraction has 156 states and 223 transitions. [2021-10-11 02:22:25,091 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:22:25,091 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 223 transitions. [2021-10-11 02:22:25,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-11 02:22:25,093 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:25,093 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 02:22:25,312 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:22:25,312 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:25,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:25,313 INFO L82 PathProgramCache]: Analyzing trace with hash -473529446, now seen corresponding path program 1 times [2021-10-11 02:22:25,314 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:25,314 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1460335612] [2021-10-11 02:22:25,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f1304-b013-46e4-aac9-c70edd5328b3/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 02:22:25,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:25,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:22:25,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:25,575 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 02:22:25,576 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:25,576 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1460335612] [2021-10-11 02:22:25,576 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:25,577 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:22:25,577 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747055883] [2021-10-11 02:22:25,577 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:22:25,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:25,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:22:25,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:22:25,578 INFO L87 Difference]: Start difference. First operand 156 states and 223 transitions. Second operand 3 states. [2021-10-11 02:22:25,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:25,604 INFO L93 Difference]: Finished difference Result 209 states and 298 transitions. [2021-10-11 02:22:25,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:22:25,605 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2021-10-11 02:22:25,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:25,606 INFO L225 Difference]: With dead ends: 209 [2021-10-11 02:22:25,606 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:22:25,612 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 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 02:22:25,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:22:25,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:22:25,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:22:25,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:22:25,613 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2021-10-11 02:22:25,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:25,613 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:22:25,613 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:22:25,614 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:22:25,614 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:22:25,825 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2021-10-11 02:22:25,828 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:22:26,376 INFO L258 CegarLoopResult]: At program point L68-3(lines 67 86) the Hoare annotation is: false [2021-10-11 02:22:26,376 INFO L262 CegarLoopResult]: For program point L316(lines 316 320) no Hoare annotation was computed. [2021-10-11 02:22:26,376 INFO L262 CegarLoopResult]: For program point L250(lines 250 256) no Hoare annotation was computed. [2021-10-11 02:22:26,376 INFO L258 CegarLoopResult]: At program point L250-1(lines 68 74) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1))) [2021-10-11 02:22:26,376 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 02:22:26,377 INFO L262 CegarLoopResult]: For program point L234(lines 234 240) no Hoare annotation was computed. [2021-10-11 02:22:26,377 INFO L258 CegarLoopResult]: At program point L234-1(lines 234 240) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse2) (and .cse0 (= (_ bv0 32) (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~2 (_ bv4294967295 32))) .cse1 .cse2 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)))) [2021-10-11 02:22:26,377 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:22:26,377 INFO L262 CegarLoopResult]: For program point L284(lines 284 290) no Hoare annotation was computed. [2021-10-11 02:22:26,377 INFO L262 CegarLoopResult]: For program point L284-2(lines 284 290) no Hoare annotation was computed. [2021-10-11 02:22:26,377 INFO L262 CegarLoopResult]: For program point L284-4(lines 284 290) no Hoare annotation was computed. [2021-10-11 02:22:26,377 INFO L258 CegarLoopResult]: At program point L865(lines 1 876) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:22:26,377 INFO L262 CegarLoopResult]: For program point L304(lines 304 308) no Hoare annotation was computed. [2021-10-11 02:22:26,377 INFO L262 CegarLoopResult]: For program point L304-3(lines 304 308) no Hoare annotation was computed. [2021-10-11 02:22:26,377 INFO L262 CegarLoopResult]: For program point L304-6(lines 304 308) no Hoare annotation was computed. [2021-10-11 02:22:26,377 INFO L262 CegarLoopResult]: For program point L189(lines 189 195) no Hoare annotation was computed. [2021-10-11 02:22:26,378 INFO L258 CegarLoopResult]: At program point L189-1(lines 189 195) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1))) [2021-10-11 02:22:26,378 INFO L258 CegarLoopResult]: At program point L437(lines 433 439) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:22:26,378 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:22:26,378 INFO L258 CegarLoopResult]: At program point L75(lines 75 81) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1))) [2021-10-11 02:22:26,378 INFO L258 CegarLoopResult]: At program point L75-1(lines 75 81) the Hoare annotation is: false [2021-10-11 02:22:26,378 INFO L258 CegarLoopResult]: At program point L75-2(lines 75 81) the Hoare annotation is: false [2021-10-11 02:22:26,378 INFO L258 CegarLoopResult]: At program point L389-2(lines 389 403) the Hoare annotation is: false [2021-10-11 02:22:26,378 INFO L262 CegarLoopResult]: For program point L224(lines 224 230) no Hoare annotation was computed. [2021-10-11 02:22:26,378 INFO L258 CegarLoopResult]: At program point L224-1(lines 224 230) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse2) (and .cse0 (= (_ bv0 32) (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~2 (_ bv4294967295 32))) .cse1 .cse2 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)))) [2021-10-11 02:22:26,379 INFO L265 CegarLoopResult]: At program point L472(lines 453 475) the Hoare annotation is: true [2021-10-11 02:22:26,379 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 02:22:26,379 INFO L258 CegarLoopResult]: At program point L373(lines 368 376) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)))) [2021-10-11 02:22:26,379 INFO L258 CegarLoopResult]: At program point L373-1(lines 368 376) the Hoare annotation is: false [2021-10-11 02:22:26,379 INFO L258 CegarLoopResult]: At program point L373-2(lines 368 376) the Hoare annotation is: false [2021-10-11 02:22:26,379 INFO L262 CegarLoopResult]: For program point L390(line 390) no Hoare annotation was computed. [2021-10-11 02:22:26,379 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:22:26,379 INFO L262 CegarLoopResult]: For program point L244(lines 244 257) no Hoare annotation was computed. [2021-10-11 02:22:26,379 INFO L258 CegarLoopResult]: At program point L145(lines 140 148) the Hoare annotation is: false [2021-10-11 02:22:26,379 INFO L258 CegarLoopResult]: At program point L145-1(lines 140 148) the Hoare annotation is: false [2021-10-11 02:22:26,379 INFO L258 CegarLoopResult]: At program point L145-2(lines 140 148) the Hoare annotation is: false [2021-10-11 02:22:26,380 INFO L262 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2021-10-11 02:22:26,380 INFO L262 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2021-10-11 02:22:26,380 INFO L262 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2021-10-11 02:22:26,380 INFO L262 CegarLoopResult]: For program point L393(lines 393 397) no Hoare annotation was computed. [2021-10-11 02:22:26,380 INFO L262 CegarLoopResult]: For program point L393-1(lines 68 74) no Hoare annotation was computed. [2021-10-11 02:22:26,380 INFO L258 CegarLoopResult]: At program point L873(lines 868 876) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:22:26,380 INFO L262 CegarLoopResult]: For program point L328(lines 328 332) no Hoare annotation was computed. [2021-10-11 02:22:26,380 INFO L258 CegarLoopResult]: At program point L262(lines 213 263) the Hoare annotation is: false [2021-10-11 02:22:26,380 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:22:26,380 INFO L262 CegarLoopResult]: For program point L280(lines 280 293) no Hoare annotation was computed. [2021-10-11 02:22:26,380 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 02:22:26,381 INFO L258 CegarLoopResult]: At program point L280-1(lines 1 876) the Hoare annotation is: (let ((.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (and .cse0 (= (_ bv0 32) (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~2 (_ bv4294967295 32))) .cse1 .cse2 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~2 (_ bv4294967294 32)) (_ bv0 32)) .cse2 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)))) [2021-10-11 02:22:26,381 INFO L262 CegarLoopResult]: For program point L280-2(lines 280 293) no Hoare annotation was computed. [2021-10-11 02:22:26,381 INFO L258 CegarLoopResult]: At program point L280-3(lines 1 876) the Hoare annotation is: false [2021-10-11 02:22:26,381 INFO L262 CegarLoopResult]: For program point L280-4(lines 280 293) no Hoare annotation was computed. [2021-10-11 02:22:26,381 INFO L258 CegarLoopResult]: At program point L280-5(lines 1 876) the Hoare annotation is: false [2021-10-11 02:22:26,381 INFO L262 CegarLoopResult]: For program point L215(lines 214 261) no Hoare annotation was computed. [2021-10-11 02:22:26,381 INFO L262 CegarLoopResult]: For program point L463(lines 463 470) no Hoare annotation was computed. [2021-10-11 02:22:26,381 INFO L265 CegarLoopResult]: At program point L463-1(lines 463 470) the Hoare annotation is: true [2021-10-11 02:22:26,381 INFO L262 CegarLoopResult]: For program point L216(lines 216 220) no Hoare annotation was computed. [2021-10-11 02:22:26,381 INFO L258 CegarLoopResult]: At program point L68(lines 67 86) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1))) [2021-10-11 02:22:26,381 INFO L262 CegarLoopResult]: For program point L68-1(lines 68 74) no Hoare annotation was computed. [2021-10-11 02:22:26,382 INFO L258 CegarLoopResult]: At program point L68-2(lines 67 86) the Hoare annotation is: false [2021-10-11 02:22:26,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:22:26 BoogieIcfgContainer [2021-10-11 02:22:26,401 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:22:26,402 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:22:26,402 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:22:26,402 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:22:26,402 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:22:20" (3/4) ... [2021-10-11 02:22:26,405 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:22:26,419 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:22:26,419 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:22:26,420 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:22:26,420 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:22:26,421 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:22:26,421 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:22:26,422 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:22:26,461 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && ~bvadd64(tmp, 4294967294bv32) == 0bv32) && 0bv32 == pumpRunning) && 2bv32 == \result) [2021-10-11 02:22:26,462 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) [2021-10-11 02:22:26,463 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) [2021-10-11 02:22:26,465 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && 2bv32 == \result) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) [2021-10-11 02:22:26,518 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f1304-b013-46e4-aac9-c70edd5328b3/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:22:26,518 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:22:26,520 INFO L168 Benchmark]: Toolchain (without parser) took 9082.00 ms. Allocated memory was 62.9 MB in the beginning and 113.2 MB in the end (delta: 50.3 MB). Free memory was 42.5 MB in the beginning and 91.7 MB in the end (delta: -49.3 MB). Peak memory consumption was 56.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:26,521 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 62.9 MB. Free memory is still 45.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:22:26,522 INFO L168 Benchmark]: CACSL2BoogieTranslator took 840.86 ms. Allocated memory is still 62.9 MB. Free memory was 42.2 MB in the beginning and 30.8 MB in the end (delta: 11.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:26,522 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.08 ms. Allocated memory is still 62.9 MB. Free memory was 30.8 MB in the beginning and 28.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:26,524 INFO L168 Benchmark]: Boogie Preprocessor took 81.31 ms. Allocated memory was 62.9 MB in the beginning and 94.4 MB in the end (delta: 31.5 MB). Free memory was 28.2 MB in the beginning and 77.3 MB in the end (delta: -49.1 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:26,524 INFO L168 Benchmark]: RCFGBuilder took 2368.46 ms. Allocated memory is still 94.4 MB. Free memory was 77.3 MB in the beginning and 51.6 MB in the end (delta: 25.8 MB). Peak memory consumption was 30.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:26,525 INFO L168 Benchmark]: TraceAbstraction took 5563.86 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 51.0 MB in the beginning and 38.9 MB in the end (delta: 12.1 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:26,525 INFO L168 Benchmark]: Witness Printer took 116.93 ms. Allocated memory is still 113.2 MB. Free memory was 38.9 MB in the beginning and 91.7 MB in the end (delta: -52.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:26,528 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 62.9 MB. Free memory is still 45.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 840.86 ms. Allocated memory is still 62.9 MB. Free memory was 42.2 MB in the beginning and 30.8 MB in the end (delta: 11.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 99.08 ms. Allocated memory is still 62.9 MB. Free memory was 30.8 MB in the beginning and 28.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 81.31 ms. Allocated memory was 62.9 MB in the beginning and 94.4 MB in the end (delta: 31.5 MB). Free memory was 28.2 MB in the beginning and 77.3 MB in the end (delta: -49.1 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2368.46 ms. Allocated memory is still 94.4 MB. Free memory was 77.3 MB in the beginning and 51.6 MB in the end (delta: 25.8 MB). Peak memory consumption was 30.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5563.86 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 51.0 MB in the beginning and 38.9 MB in the end (delta: 12.1 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. * Witness Printer took 116.93 ms. Allocated memory is still 113.2 MB. Free memory was 38.9 MB in the beginning and 91.7 MB in the end (delta: -52.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: 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: 389]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 463]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 433]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && 2bv32 == \result) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && ~bvadd64(tmp, 4294967294bv32) == 0bv32) && 0bv32 == pumpRunning) && 2bv32 == \result) - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 59 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.9s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 327 SDtfs, 272 SDslu, 350 SDs, 0 SdLazy, 81 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 123 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=156occurred 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: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 79 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 58 NumberOfFragments, 330 HoareAnnotationTreeSize, 26 FomulaSimplifications, 1073 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 26 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 123 NumberOfCodeBlocks, 123 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 117 ConstructedInterpolants, 0 QuantifiedInterpolants, 7061 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1169 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...