./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product58.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_b0c39e11-bc5b-43b2-8b5d-bedf1dbe307c/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0c39e11-bc5b-43b2-8b5d-bedf1dbe307c/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_b0c39e11-bc5b-43b2-8b5d-bedf1dbe307c/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0c39e11-bc5b-43b2-8b5d-bedf1dbe307c/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0c39e11-bc5b-43b2-8b5d-bedf1dbe307c/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_b0c39e11-bc5b-43b2-8b5d-bedf1dbe307c/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 1aa77a42d44aaff76210b78cb1336cb97af7d944 ............................................................................................................................................ 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_b0c39e11-bc5b-43b2-8b5d-bedf1dbe307c/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0c39e11-bc5b-43b2-8b5d-bedf1dbe307c/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_b0c39e11-bc5b-43b2-8b5d-bedf1dbe307c/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0c39e11-bc5b-43b2-8b5d-bedf1dbe307c/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0c39e11-bc5b-43b2-8b5d-bedf1dbe307c/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_b0c39e11-bc5b-43b2-8b5d-bedf1dbe307c/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 1aa77a42d44aaff76210b78cb1336cb97af7d944 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 02:25:21,448 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:25:21,450 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:25:21,482 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:25:21,483 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:25:21,484 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:25:21,486 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:25:21,488 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:25:21,491 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:25:21,492 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:25:21,493 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:25:21,495 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:25:21,496 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:25:21,497 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:25:21,498 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:25:21,500 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:25:21,501 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:25:21,502 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:25:21,504 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:25:21,507 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:25:21,509 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:25:21,511 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:25:21,512 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:25:21,513 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:25:21,517 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:25:21,517 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:25:21,518 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:25:21,519 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:25:21,520 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:25:21,521 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:25:21,521 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:25:21,523 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:25:21,524 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:25:21,525 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:25:21,526 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:25:21,527 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:25:21,527 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:25:21,528 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:25:21,528 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:25:21,529 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:25:21,530 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:25:21,530 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0c39e11-bc5b-43b2-8b5d-bedf1dbe307c/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:25:21,557 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:25:21,557 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:25:21,558 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:25:21,558 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:25:21,559 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:25:21,559 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:25:21,559 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:25:21,559 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:25:21,559 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:25:21,560 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:25:21,560 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:25:21,560 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:25:21,560 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:25:21,560 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:25:21,561 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:25:21,561 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:25:21,562 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:25:21,562 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:25:21,562 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:25:21,562 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:25:21,563 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:25:21,563 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:25:21,563 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:25:21,563 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:25:21,563 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:25:21,564 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:25:21,564 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:25:21,564 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:25:21,564 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:25:21,565 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:25:21,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:25:21,565 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:25:21,565 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:25:21,565 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:25:21,566 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:25:21,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:25:21,566 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:25:21,566 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:25:21,566 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:25:21,567 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_b0c39e11-bc5b-43b2-8b5d-bedf1dbe307c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0c39e11-bc5b-43b2-8b5d-bedf1dbe307c/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1aa77a42d44aaff76210b78cb1336cb97af7d944 [2021-10-11 02:25:21,841 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:25:21,877 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:25:21,880 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:25:21,881 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:25:21,883 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:25:21,884 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0c39e11-bc5b-43b2-8b5d-bedf1dbe307c/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c [2021-10-11 02:25:21,986 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0c39e11-bc5b-43b2-8b5d-bedf1dbe307c/bin/utaipan-WLngWcDbfI/data/34597dab0/e05ac7802bc443098d980cd80b26ad49/FLAG404479a6d [2021-10-11 02:25:22,516 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:25:22,517 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0c39e11-bc5b-43b2-8b5d-bedf1dbe307c/sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c [2021-10-11 02:25:22,530 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0c39e11-bc5b-43b2-8b5d-bedf1dbe307c/bin/utaipan-WLngWcDbfI/data/34597dab0/e05ac7802bc443098d980cd80b26ad49/FLAG404479a6d [2021-10-11 02:25:22,822 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0c39e11-bc5b-43b2-8b5d-bedf1dbe307c/bin/utaipan-WLngWcDbfI/data/34597dab0/e05ac7802bc443098d980cd80b26ad49 [2021-10-11 02:25:22,824 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:25:22,826 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:25:22,827 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:22,827 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:25:22,831 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:25:22,831 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:22" (1/1) ... [2021-10-11 02:25:22,833 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@660d0e7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:22, skipping insertion in model container [2021-10-11 02:25:22,833 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:22" (1/1) ... [2021-10-11 02:25:22,840 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:25:22,886 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:25:23,069 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_b0c39e11-bc5b-43b2-8b5d-bedf1dbe307c/sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c[1281,1294] [2021-10-11 02:25:23,235 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:25:23,259 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 02:25:23,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3939f392 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:23, skipping insertion in model container [2021-10-11 02:25:23,261 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:23,261 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:25:23,265 INFO L168 Benchmark]: Toolchain (without parser) took 436.87 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 50.8 MB in the beginning and 73.7 MB in the end (delta: -22.8 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:23,266 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 83.9 MB. Free memory was 53.6 MB in the beginning and 53.6 MB in the end (delta: 25.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:25:23,268 INFO L168 Benchmark]: CACSL2BoogieTranslator took 434.14 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 50.5 MB in the beginning and 73.7 MB in the end (delta: -23.2 MB). Peak memory consumption was 8.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:23,271 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 83.9 MB. Free memory was 53.6 MB in the beginning and 53.6 MB in the end (delta: 25.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 434.14 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 50.5 MB in the beginning and 73.7 MB in the end (delta: -23.2 MB). Peak memory consumption was 8.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 648]: 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 02:25:25,589 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:25:25,592 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:25:25,622 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:25:25,623 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:25:25,624 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:25:25,626 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:25:25,629 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:25:25,631 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:25:25,633 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:25:25,634 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:25:25,636 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:25:25,636 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:25:25,638 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:25:25,639 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:25:25,641 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:25:25,642 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:25:25,643 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:25:25,646 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:25:25,648 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:25:25,650 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:25:25,652 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:25:25,654 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:25:25,655 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:25:25,659 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:25:25,660 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:25:25,660 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:25:25,662 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:25:25,662 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:25:25,664 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:25:25,664 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:25:25,665 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:25:25,666 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:25:25,668 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:25:25,669 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:25:25,669 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:25:25,670 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:25:25,671 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:25:25,671 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:25:25,672 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:25:25,673 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:25:25,674 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0c39e11-bc5b-43b2-8b5d-bedf1dbe307c/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:25:25,703 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:25:25,706 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:25:25,707 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:25:25,708 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:25:25,708 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:25:25,708 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:25:25,709 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:25:25,709 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:25:25,709 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:25:25,711 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:25:25,712 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:25:25,713 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:25:25,713 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:25:25,713 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:25:25,714 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:25:25,714 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:25:25,714 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:25:25,714 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:25:25,715 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:25:25,715 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:25:25,715 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:25:25,716 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:25:25,716 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:25:25,716 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:25:25,716 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:25:25,717 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:25:25,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:25:25,718 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:25:25,718 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:25:25,718 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:25:25,719 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:25:25,719 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:25:25,719 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:25:25,719 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:25:25,720 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:25:25,720 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_b0c39e11-bc5b-43b2-8b5d-bedf1dbe307c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0c39e11-bc5b-43b2-8b5d-bedf1dbe307c/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1aa77a42d44aaff76210b78cb1336cb97af7d944 [2021-10-11 02:25:26,237 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:25:26,268 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:25:26,271 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:25:26,273 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:25:26,274 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:25:26,275 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0c39e11-bc5b-43b2-8b5d-bedf1dbe307c/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c [2021-10-11 02:25:26,371 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0c39e11-bc5b-43b2-8b5d-bedf1dbe307c/bin/utaipan-WLngWcDbfI/data/85ef6524e/34a82f566e0e4cfbbf5a9b74b1f600cd/FLAG2d05c0727 [2021-10-11 02:25:27,191 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:25:27,192 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0c39e11-bc5b-43b2-8b5d-bedf1dbe307c/sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c [2021-10-11 02:25:27,207 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0c39e11-bc5b-43b2-8b5d-bedf1dbe307c/bin/utaipan-WLngWcDbfI/data/85ef6524e/34a82f566e0e4cfbbf5a9b74b1f600cd/FLAG2d05c0727 [2021-10-11 02:25:27,446 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0c39e11-bc5b-43b2-8b5d-bedf1dbe307c/bin/utaipan-WLngWcDbfI/data/85ef6524e/34a82f566e0e4cfbbf5a9b74b1f600cd [2021-10-11 02:25:27,449 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:25:27,451 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:25:27,453 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:27,453 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:25:27,457 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:25:27,459 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:27" (1/1) ... [2021-10-11 02:25:27,461 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ad4a22e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:27, skipping insertion in model container [2021-10-11 02:25:27,461 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:27" (1/1) ... [2021-10-11 02:25:27,471 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:25:27,557 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:25:27,704 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_b0c39e11-bc5b-43b2-8b5d-bedf1dbe307c/sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c[1281,1294] [2021-10-11 02:25:27,902 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:25:27,927 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:25:27,942 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:25:27,946 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_b0c39e11-bc5b-43b2-8b5d-bedf1dbe307c/sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c[1281,1294] [2021-10-11 02:25:28,049 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:25:28,074 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:25:28,100 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_b0c39e11-bc5b-43b2-8b5d-bedf1dbe307c/sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c[1281,1294] [2021-10-11 02:25:28,182 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:25:28,250 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:25:28,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:28 WrapperNode [2021-10-11 02:25:28,251 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:28,252 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:25:28,252 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:25:28,253 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:25:28,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:28" (1/1) ... [2021-10-11 02:25:28,299 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:28" (1/1) ... [2021-10-11 02:25:28,362 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:25:28,363 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:25:28,363 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:25:28,364 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:25:28,374 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:28" (1/1) ... [2021-10-11 02:25:28,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:28" (1/1) ... [2021-10-11 02:25:28,382 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:28" (1/1) ... [2021-10-11 02:25:28,397 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:28" (1/1) ... [2021-10-11 02:25:28,419 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:28" (1/1) ... [2021-10-11 02:25:28,444 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:28" (1/1) ... [2021-10-11 02:25:28,464 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:28" (1/1) ... [2021-10-11 02:25:28,471 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:25:28,472 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:25:28,472 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:25:28,473 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:25:28,474 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:28" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0c39e11-bc5b-43b2-8b5d-bedf1dbe307c/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 02:25:28,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:25:28,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:25:28,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:25:28,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:25:31,495 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:25:31,495 INFO L299 CfgBuilder]: Removed 194 assume(true) statements. [2021-10-11 02:25:31,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:25:31 BoogieIcfgContainer [2021-10-11 02:25:31,498 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:25:31,500 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:25:31,500 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:25:31,504 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:25:31,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:25:27" (1/3) ... [2021-10-11 02:25:31,505 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28161890 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:25:31, skipping insertion in model container [2021-10-11 02:25:31,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:28" (2/3) ... [2021-10-11 02:25:31,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28161890 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:25:31, skipping insertion in model container [2021-10-11 02:25:31,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:25:31" (3/3) ... [2021-10-11 02:25:31,508 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product58.cil.c [2021-10-11 02:25:31,526 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:25:31,530 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:25:31,542 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:25:31,572 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:25:31,572 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:25:31,572 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:25:31,573 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:25:31,573 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:25:31,573 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:25:31,573 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:25:31,574 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:25:31,594 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2021-10-11 02:25:31,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 02:25:31,602 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:31,603 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:31,603 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:31,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:31,611 INFO L82 PathProgramCache]: Analyzing trace with hash 1138467236, now seen corresponding path program 1 times [2021-10-11 02:25:31,627 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:31,628 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [674668404] [2021-10-11 02:25:31,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0c39e11-bc5b-43b2-8b5d-bedf1dbe307c/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 02:25:31,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:31,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:25:31,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:32,032 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 02:25:32,033 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:32,034 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [674668404] [2021-10-11 02:25:32,035 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:32,035 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:25:32,037 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870089795] [2021-10-11 02:25:32,044 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:25:32,044 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:32,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:25:32,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:25:32,067 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 2 states. [2021-10-11 02:25:32,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:32,155 INFO L93 Difference]: Finished difference Result 264 states and 395 transitions. [2021-10-11 02:25:32,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:25:32,158 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 02:25:32,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:32,177 INFO L225 Difference]: With dead ends: 264 [2021-10-11 02:25:32,177 INFO L226 Difference]: Without dead ends: 131 [2021-10-11 02:25:32,183 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 02:25:32,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2021-10-11 02:25:32,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2021-10-11 02:25:32,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2021-10-11 02:25:32,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 189 transitions. [2021-10-11 02:25:32,273 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 189 transitions. Word has length 16 [2021-10-11 02:25:32,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:32,274 INFO L481 AbstractCegarLoop]: Abstraction has 131 states and 189 transitions. [2021-10-11 02:25:32,274 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:25:32,274 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 189 transitions. [2021-10-11 02:25:32,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 02:25:32,276 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:32,276 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 02:25:32,493 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:25:32,494 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:32,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:32,495 INFO L82 PathProgramCache]: Analyzing trace with hash 1722273200, now seen corresponding path program 1 times [2021-10-11 02:25:32,495 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:32,496 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2068976311] [2021-10-11 02:25:32,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0c39e11-bc5b-43b2-8b5d-bedf1dbe307c/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 02:25:32,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:32,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:25:32,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:32,819 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 02:25:32,819 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:32,819 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2068976311] [2021-10-11 02:25:32,820 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:32,820 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:25:32,820 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652327048] [2021-10-11 02:25:32,822 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:25:32,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:32,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:25:32,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:32,824 INFO L87 Difference]: Start difference. First operand 131 states and 189 transitions. Second operand 3 states. [2021-10-11 02:25:32,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:32,857 INFO L93 Difference]: Finished difference Result 131 states and 189 transitions. [2021-10-11 02:25:32,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:25:32,861 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 02:25:32,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:32,865 INFO L225 Difference]: With dead ends: 131 [2021-10-11 02:25:32,866 INFO L226 Difference]: Without dead ends: 53 [2021-10-11 02:25:32,867 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 02:25:32,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-10-11 02:25:32,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-10-11 02:25:32,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2021-10-11 02:25:32,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2021-10-11 02:25:32,883 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 17 [2021-10-11 02:25:32,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:32,887 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2021-10-11 02:25:32,887 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:25:32,887 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2021-10-11 02:25:32,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 02:25:32,888 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:32,888 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 02:25:33,114 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:25:33,118 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:33,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:33,119 INFO L82 PathProgramCache]: Analyzing trace with hash -1529505855, now seen corresponding path program 1 times [2021-10-11 02:25:33,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:33,120 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1670000166] [2021-10-11 02:25:33,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0c39e11-bc5b-43b2-8b5d-bedf1dbe307c/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 02:25:33,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:33,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:25:33,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:33,372 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 02:25:33,373 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:33,373 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1670000166] [2021-10-11 02:25:33,373 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:33,374 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:25:33,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259883032] [2021-10-11 02:25:33,374 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:25:33,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:33,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:25:33,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:33,376 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand 3 states. [2021-10-11 02:25:33,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:33,413 INFO L93 Difference]: Finished difference Result 100 states and 146 transitions. [2021-10-11 02:25:33,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:25:33,414 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2021-10-11 02:25:33,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:33,415 INFO L225 Difference]: With dead ends: 100 [2021-10-11 02:25:33,415 INFO L226 Difference]: Without dead ends: 53 [2021-10-11 02:25:33,421 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 02:25:33,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-10-11 02:25:33,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-10-11 02:25:33,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2021-10-11 02:25:33,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2021-10-11 02:25:33,429 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 22 [2021-10-11 02:25:33,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:33,429 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2021-10-11 02:25:33,430 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:25:33,430 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2021-10-11 02:25:33,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:25:33,431 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:33,431 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:33,651 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:25:33,651 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:33,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:33,652 INFO L82 PathProgramCache]: Analyzing trace with hash 583703192, now seen corresponding path program 1 times [2021-10-11 02:25:33,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:33,653 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [62482803] [2021-10-11 02:25:33,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0c39e11-bc5b-43b2-8b5d-bedf1dbe307c/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 02:25:33,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:33,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:25:33,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:33,885 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 02:25:33,886 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:33,886 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [62482803] [2021-10-11 02:25:33,886 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:33,886 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:25:33,887 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127331891] [2021-10-11 02:25:33,887 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:25:33,887 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:33,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:25:33,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:33,888 INFO L87 Difference]: Start difference. First operand 53 states and 75 transitions. Second operand 3 states. [2021-10-11 02:25:33,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:33,954 INFO L93 Difference]: Finished difference Result 121 states and 174 transitions. [2021-10-11 02:25:33,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:25:33,955 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:25:33,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:33,956 INFO L225 Difference]: With dead ends: 121 [2021-10-11 02:25:33,956 INFO L226 Difference]: Without dead ends: 74 [2021-10-11 02:25:33,957 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:33,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2021-10-11 02:25:33,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 72. [2021-10-11 02:25:33,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2021-10-11 02:25:33,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 101 transitions. [2021-10-11 02:25:33,967 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 101 transitions. Word has length 24 [2021-10-11 02:25:33,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:33,967 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 101 transitions. [2021-10-11 02:25:33,967 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:25:33,967 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 101 transitions. [2021-10-11 02:25:33,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-11 02:25:33,968 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:33,968 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:34,181 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:25:34,182 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:34,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:34,182 INFO L82 PathProgramCache]: Analyzing trace with hash -198690772, now seen corresponding path program 1 times [2021-10-11 02:25:34,183 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:34,183 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1408521357] [2021-10-11 02:25:34,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0c39e11-bc5b-43b2-8b5d-bedf1dbe307c/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 02:25:34,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:34,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:25:34,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:34,596 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 02:25:34,596 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:34,597 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1408521357] [2021-10-11 02:25:34,597 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:34,597 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:25:34,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131962040] [2021-10-11 02:25:34,598 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:25:34,598 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:34,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:25:34,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:25:34,600 INFO L87 Difference]: Start difference. First operand 72 states and 101 transitions. Second operand 5 states. [2021-10-11 02:25:34,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:34,828 INFO L93 Difference]: Finished difference Result 372 states and 538 transitions. [2021-10-11 02:25:34,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 02:25:34,829 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2021-10-11 02:25:34,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:34,832 INFO L225 Difference]: With dead ends: 372 [2021-10-11 02:25:34,832 INFO L226 Difference]: Without dead ends: 306 [2021-10-11 02:25:34,833 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:25:34,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2021-10-11 02:25:34,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 132. [2021-10-11 02:25:34,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2021-10-11 02:25:34,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 185 transitions. [2021-10-11 02:25:34,854 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 185 transitions. Word has length 30 [2021-10-11 02:25:34,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:34,855 INFO L481 AbstractCegarLoop]: Abstraction has 132 states and 185 transitions. [2021-10-11 02:25:34,855 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:25:34,855 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 185 transitions. [2021-10-11 02:25:34,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-11 02:25:34,856 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:34,856 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:35,057 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:25:35,057 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:35,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:35,058 INFO L82 PathProgramCache]: Analyzing trace with hash 473077730, now seen corresponding path program 1 times [2021-10-11 02:25:35,058 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:35,058 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1492019743] [2021-10-11 02:25:35,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0c39e11-bc5b-43b2-8b5d-bedf1dbe307c/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 02:25:35,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:35,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:25:35,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:35,333 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 02:25:35,333 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:35,334 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1492019743] [2021-10-11 02:25:35,334 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:35,334 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:25:35,334 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779467492] [2021-10-11 02:25:35,335 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:25:35,335 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:35,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:25:35,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:25:35,336 INFO L87 Difference]: Start difference. First operand 132 states and 185 transitions. Second operand 5 states. [2021-10-11 02:25:35,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:35,586 INFO L93 Difference]: Finished difference Result 378 states and 534 transitions. [2021-10-11 02:25:35,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 02:25:35,588 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2021-10-11 02:25:35,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:35,591 INFO L225 Difference]: With dead ends: 378 [2021-10-11 02:25:35,592 INFO L226 Difference]: Without dead ends: 376 [2021-10-11 02:25:35,593 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:25:35,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2021-10-11 02:25:35,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 132. [2021-10-11 02:25:35,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2021-10-11 02:25:35,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 184 transitions. [2021-10-11 02:25:35,638 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 184 transitions. Word has length 31 [2021-10-11 02:25:35,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:35,639 INFO L481 AbstractCegarLoop]: Abstraction has 132 states and 184 transitions. [2021-10-11 02:25:35,639 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:25:35,639 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 184 transitions. [2021-10-11 02:25:35,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 02:25:35,644 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:35,644 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:35,853 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2021-10-11 02:25:35,854 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:35,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:35,854 INFO L82 PathProgramCache]: Analyzing trace with hash -1697229364, now seen corresponding path program 1 times [2021-10-11 02:25:35,855 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:35,855 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1687812354] [2021-10-11 02:25:35,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0c39e11-bc5b-43b2-8b5d-bedf1dbe307c/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2021-10-11 02:25:36,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:36,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:25:36,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:36,136 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 02:25:36,136 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:36,136 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1687812354] [2021-10-11 02:25:36,137 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:36,137 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:25:36,138 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998417704] [2021-10-11 02:25:36,138 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:25:36,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:36,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:25:36,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:25:36,140 INFO L87 Difference]: Start difference. First operand 132 states and 184 transitions. Second operand 5 states. [2021-10-11 02:25:36,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:36,262 INFO L93 Difference]: Finished difference Result 344 states and 476 transitions. [2021-10-11 02:25:36,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:25:36,263 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2021-10-11 02:25:36,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:36,267 INFO L225 Difference]: With dead ends: 344 [2021-10-11 02:25:36,267 INFO L226 Difference]: Without dead ends: 218 [2021-10-11 02:25:36,277 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:25:36,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2021-10-11 02:25:36,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 144. [2021-10-11 02:25:36,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2021-10-11 02:25:36,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 196 transitions. [2021-10-11 02:25:36,304 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 196 transitions. Word has length 34 [2021-10-11 02:25:36,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:36,305 INFO L481 AbstractCegarLoop]: Abstraction has 144 states and 196 transitions. [2021-10-11 02:25:36,305 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:25:36,305 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 196 transitions. [2021-10-11 02:25:36,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 02:25:36,312 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:36,312 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:36,512 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2021-10-11 02:25:36,513 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:36,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:36,513 INFO L82 PathProgramCache]: Analyzing trace with hash 2010931918, now seen corresponding path program 1 times [2021-10-11 02:25:36,513 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:36,514 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1874466529] [2021-10-11 02:25:36,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0c39e11-bc5b-43b2-8b5d-bedf1dbe307c/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2021-10-11 02:25:36,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:36,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 02:25:36,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:36,766 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 02:25:36,766 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:36,767 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1874466529] [2021-10-11 02:25:36,767 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:36,767 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:25:36,767 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977207353] [2021-10-11 02:25:36,767 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:25:36,768 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:36,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:25:36,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:25:36,768 INFO L87 Difference]: Start difference. First operand 144 states and 196 transitions. Second operand 4 states. [2021-10-11 02:25:36,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:36,847 INFO L93 Difference]: Finished difference Result 340 states and 460 transitions. [2021-10-11 02:25:36,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:25:36,848 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2021-10-11 02:25:36,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:36,855 INFO L225 Difference]: With dead ends: 340 [2021-10-11 02:25:36,855 INFO L226 Difference]: Without dead ends: 202 [2021-10-11 02:25:36,856 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:25:36,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2021-10-11 02:25:36,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 152. [2021-10-11 02:25:36,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2021-10-11 02:25:36,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 204 transitions. [2021-10-11 02:25:36,879 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 204 transitions. Word has length 34 [2021-10-11 02:25:36,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:36,879 INFO L481 AbstractCegarLoop]: Abstraction has 152 states and 204 transitions. [2021-10-11 02:25:36,883 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:25:36,883 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 204 transitions. [2021-10-11 02:25:36,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 02:25:36,885 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:36,885 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:37,100 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2021-10-11 02:25:37,101 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:37,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:37,101 INFO L82 PathProgramCache]: Analyzing trace with hash 731068240, now seen corresponding path program 1 times [2021-10-11 02:25:37,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:37,101 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1539150870] [2021-10-11 02:25:37,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0c39e11-bc5b-43b2-8b5d-bedf1dbe307c/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2021-10-11 02:25:37,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:37,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:25:37,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:37,339 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 02:25:37,340 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:37,340 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1539150870] [2021-10-11 02:25:37,340 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:37,340 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:25:37,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701973484] [2021-10-11 02:25:37,341 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:25:37,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:37,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:25:37,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:37,342 INFO L87 Difference]: Start difference. First operand 152 states and 204 transitions. Second operand 3 states. [2021-10-11 02:25:37,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:37,401 INFO L93 Difference]: Finished difference Result 348 states and 466 transitions. [2021-10-11 02:25:37,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:25:37,402 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2021-10-11 02:25:37,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:37,405 INFO L225 Difference]: With dead ends: 348 [2021-10-11 02:25:37,405 INFO L226 Difference]: Without dead ends: 202 [2021-10-11 02:25:37,406 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 32 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 02:25:37,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2021-10-11 02:25:37,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 202. [2021-10-11 02:25:37,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2021-10-11 02:25:37,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 264 transitions. [2021-10-11 02:25:37,451 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 264 transitions. Word has length 34 [2021-10-11 02:25:37,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:37,451 INFO L481 AbstractCegarLoop]: Abstraction has 202 states and 264 transitions. [2021-10-11 02:25:37,451 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:25:37,451 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 264 transitions. [2021-10-11 02:25:37,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-11 02:25:37,453 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:37,453 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:37,670 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2021-10-11 02:25:37,670 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:37,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:37,671 INFO L82 PathProgramCache]: Analyzing trace with hash -2047463346, now seen corresponding path program 1 times [2021-10-11 02:25:37,671 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:37,672 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2039392164] [2021-10-11 02:25:37,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0c39e11-bc5b-43b2-8b5d-bedf1dbe307c/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2021-10-11 02:25:37,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:37,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:25:37,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:37,975 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 02:25:37,975 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:37,975 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2039392164] [2021-10-11 02:25:37,976 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:37,976 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 02:25:37,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487386107] [2021-10-11 02:25:37,978 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:25:37,978 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:37,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:25:37,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:25:37,979 INFO L87 Difference]: Start difference. First operand 202 states and 264 transitions. Second operand 6 states. [2021-10-11 02:25:39,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:39,509 INFO L93 Difference]: Finished difference Result 612 states and 800 transitions. [2021-10-11 02:25:39,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-11 02:25:39,510 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2021-10-11 02:25:39,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:39,516 INFO L225 Difference]: With dead ends: 612 [2021-10-11 02:25:39,517 INFO L226 Difference]: Without dead ends: 416 [2021-10-11 02:25:39,518 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-10-11 02:25:39,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2021-10-11 02:25:39,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 202. [2021-10-11 02:25:39,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2021-10-11 02:25:39,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 259 transitions. [2021-10-11 02:25:39,551 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 259 transitions. Word has length 35 [2021-10-11 02:25:39,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:39,551 INFO L481 AbstractCegarLoop]: Abstraction has 202 states and 259 transitions. [2021-10-11 02:25:39,552 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:25:39,552 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 259 transitions. [2021-10-11 02:25:39,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-11 02:25:39,553 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:39,553 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:39,768 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2021-10-11 02:25:39,769 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:39,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:39,769 INFO L82 PathProgramCache]: Analyzing trace with hash 1267099237, now seen corresponding path program 1 times [2021-10-11 02:25:39,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:39,770 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [20790638] [2021-10-11 02:25:39,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0c39e11-bc5b-43b2-8b5d-bedf1dbe307c/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2021-10-11 02:25:39,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:39,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:25:39,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:40,086 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:25:40,087 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:25:40,120 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2021-10-11 02:25:40,120 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2021-10-11 02:25:40,195 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:25:40,195 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [20790638] [2021-10-11 02:25:40,195 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1174916482] [2021-10-11 02:25:40,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0c39e11-bc5b-43b2-8b5d-bedf1dbe307c/bin/utaipan-WLngWcDbfI/cvc4 Starting monitored process 13 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4 --incremental --print-success --lang smt [2021-10-11 02:25:40,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:40,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-11 02:25:40,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:40,629 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:25:40,629 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:25:40,651 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2021-10-11 02:25:40,651 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2021-10-11 02:25:40,700 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:25:40,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1429002550] [2021-10-11 02:25:40,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0c39e11-bc5b-43b2-8b5d-bedf1dbe307c/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:25:40,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:40,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:25:40,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:40,936 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:25:40,936 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:25:40,963 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2021-10-11 02:25:40,964 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2021-10-11 02:25:41,010 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:25:41,011 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-11 02:25:41,011 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 6, 5, 5, 5] total 8 [2021-10-11 02:25:41,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395699478] [2021-10-11 02:25:41,012 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-10-11 02:25:41,013 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:41,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-11 02:25:41,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:25:41,013 INFO L87 Difference]: Start difference. First operand 202 states and 259 transitions. Second operand 9 states. [2021-10-11 02:25:44,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:44,694 INFO L93 Difference]: Finished difference Result 1711 states and 2258 transitions. [2021-10-11 02:25:44,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-11 02:25:44,695 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2021-10-11 02:25:44,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:44,705 INFO L225 Difference]: With dead ends: 1711 [2021-10-11 02:25:44,705 INFO L226 Difference]: Without dead ends: 1565 [2021-10-11 02:25:44,706 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 322 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=120, Invalid=342, Unknown=0, NotChecked=0, Total=462 [2021-10-11 02:25:44,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1565 states. [2021-10-11 02:25:44,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1565 to 496. [2021-10-11 02:25:44,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 496 states. [2021-10-11 02:25:44,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 658 transitions. [2021-10-11 02:25:44,790 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 658 transitions. Word has length 56 [2021-10-11 02:25:44,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:44,791 INFO L481 AbstractCegarLoop]: Abstraction has 496 states and 658 transitions. [2021-10-11 02:25:44,791 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-10-11 02:25:44,791 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 658 transitions. [2021-10-11 02:25:44,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-11 02:25:44,792 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:44,792 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:45,407 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,13 cvc4 --incremental --print-success --lang smt,12 mathsat -unsat_core_generation=3 [2021-10-11 02:25:45,407 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:45,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:45,408 INFO L82 PathProgramCache]: Analyzing trace with hash 1968163815, now seen corresponding path program 1 times [2021-10-11 02:25:45,408 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:45,408 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [258606127] [2021-10-11 02:25:45,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0c39e11-bc5b-43b2-8b5d-bedf1dbe307c/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 15 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with mathsat -unsat_core_generation=3 [2021-10-11 02:25:45,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:45,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:25:45,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:45,668 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-11 02:25:45,668 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:45,668 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [258606127] [2021-10-11 02:25:45,669 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:45,669 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:25:45,669 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041550711] [2021-10-11 02:25:45,669 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:25:45,670 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:45,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:25:45,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:25:45,673 INFO L87 Difference]: Start difference. First operand 496 states and 658 transitions. Second operand 5 states. [2021-10-11 02:25:45,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:45,785 INFO L93 Difference]: Finished difference Result 830 states and 1075 transitions. [2021-10-11 02:25:45,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:25:45,786 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2021-10-11 02:25:45,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:45,786 INFO L225 Difference]: With dead ends: 830 [2021-10-11 02:25:45,786 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:25:45,788 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:25:45,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:25:45,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:25:45,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:25:45,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:25:45,789 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2021-10-11 02:25:45,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:45,789 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:25:45,789 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:25:45,789 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:25:45,789 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:25:45,993 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 mathsat -unsat_core_generation=3 [2021-10-11 02:25:45,995 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:25:46,165 WARN L197 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 47 [2021-10-11 02:25:46,494 WARN L197 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 120 [2021-10-11 02:25:46,684 WARN L197 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 102 [2021-10-11 02:25:46,913 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 107 [2021-10-11 02:25:47,159 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 116 [2021-10-11 02:25:47,372 WARN L197 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 120 [2021-10-11 02:25:47,521 WARN L197 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 120 [2021-10-11 02:25:47,747 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 24 [2021-10-11 02:25:48,682 WARN L197 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 26 [2021-10-11 02:25:49,214 WARN L197 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 30 [2021-10-11 02:25:49,363 WARN L197 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 25 [2021-10-11 02:25:49,677 WARN L197 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 28 [2021-10-11 02:25:50,318 WARN L197 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 33 [2021-10-11 02:25:50,662 WARN L197 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 30 [2021-10-11 02:25:51,344 WARN L197 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 27 [2021-10-11 02:25:51,459 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 27 [2021-10-11 02:25:52,156 WARN L197 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 26 [2021-10-11 02:25:52,850 WARN L197 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 26 [2021-10-11 02:25:53,356 WARN L197 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 33 [2021-10-11 02:25:53,369 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 02:25:53,370 INFO L258 CegarLoopResult]: At program point L102(lines 97 105) the Hoare annotation is: false [2021-10-11 02:25:53,370 INFO L258 CegarLoopResult]: At program point L102-1(lines 97 105) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse2 .cse3) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3))) [2021-10-11 02:25:53,370 INFO L258 CegarLoopResult]: At program point L102-2(lines 97 105) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse6 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse8 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse3 .cse4 .cse5) (and .cse1 .cse6 .cse7 .cse4 .cse8 .cse5) (and .cse1 .cse2 .cse7 .cse8 .cse5))) [2021-10-11 02:25:53,370 INFO L258 CegarLoopResult]: At program point L102-3(lines 97 105) the Hoare annotation is: false [2021-10-11 02:25:53,370 INFO L258 CegarLoopResult]: At program point L102-4(lines 97 105) the Hoare annotation is: false [2021-10-11 02:25:53,371 INFO L258 CegarLoopResult]: At program point L102-5(lines 97 105) the Hoare annotation is: false [2021-10-11 02:25:53,371 INFO L258 CegarLoopResult]: At program point L102-6(lines 97 105) the Hoare annotation is: false [2021-10-11 02:25:53,371 INFO L258 CegarLoopResult]: At program point L102-7(lines 97 105) the Hoare annotation is: false [2021-10-11 02:25:53,371 INFO L258 CegarLoopResult]: At program point L102-8(lines 97 105) the Hoare annotation is: false [2021-10-11 02:25:53,371 INFO L262 CegarLoopResult]: For program point L334(lines 334 351) no Hoare annotation was computed. [2021-10-11 02:25:53,371 INFO L262 CegarLoopResult]: For program point L334-1(lines 334 351) no Hoare annotation was computed. [2021-10-11 02:25:53,371 INFO L262 CegarLoopResult]: For program point L334-2(lines 334 351) no Hoare annotation was computed. [2021-10-11 02:25:53,372 INFO L262 CegarLoopResult]: For program point L566(lines 566 570) no Hoare annotation was computed. [2021-10-11 02:25:53,372 INFO L258 CegarLoopResult]: At program point L566-2(lines 276 282) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse6 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse4 .cse3) (and .cse0 .cse1 .cse5 .cse6 .cse3) (and .cse1 .cse5 .cse6 .cse4 .cse3))) [2021-10-11 02:25:53,372 INFO L262 CegarLoopResult]: For program point L500(lines 500 513) no Hoare annotation was computed. [2021-10-11 02:25:53,372 INFO L258 CegarLoopResult]: At program point L500-1(lines 1 984) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse6 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse7 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse6 .cse4 .cse7 .cse5) (and .cse0 .cse1 .cse6 .cse3 .cse4 .cse5) (and .cse1 .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse7 .cse5 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~6)) (and .cse1 .cse2 .cse4 .cse7 .cse5))) [2021-10-11 02:25:53,372 INFO L262 CegarLoopResult]: For program point L500-2(lines 500 513) no Hoare annotation was computed. [2021-10-11 02:25:53,372 INFO L258 CegarLoopResult]: At program point L500-3(lines 1 984) the Hoare annotation is: false [2021-10-11 02:25:53,372 INFO L262 CegarLoopResult]: For program point L500-4(lines 500 513) no Hoare annotation was computed. [2021-10-11 02:25:53,372 INFO L258 CegarLoopResult]: At program point L500-5(lines 1 984) the Hoare annotation is: false [2021-10-11 02:25:53,374 INFO L262 CegarLoopResult]: For program point L371(lines 371 377) no Hoare annotation was computed. [2021-10-11 02:25:53,374 INFO L262 CegarLoopResult]: For program point L338(lines 338 346) no Hoare annotation was computed. [2021-10-11 02:25:53,374 INFO L262 CegarLoopResult]: For program point L371-2(lines 371 377) no Hoare annotation was computed. [2021-10-11 02:25:53,374 INFO L262 CegarLoopResult]: For program point L338-1(lines 338 346) no Hoare annotation was computed. [2021-10-11 02:25:53,374 INFO L262 CegarLoopResult]: For program point L338-2(lines 338 346) no Hoare annotation was computed. [2021-10-11 02:25:53,374 INFO L262 CegarLoopResult]: For program point L371-4(lines 371 377) no Hoare annotation was computed. [2021-10-11 02:25:53,374 INFO L262 CegarLoopResult]: For program point L371-6(lines 371 377) no Hoare annotation was computed. [2021-10-11 02:25:53,374 INFO L262 CegarLoopResult]: For program point L371-8(lines 371 377) no Hoare annotation was computed. [2021-10-11 02:25:53,374 INFO L262 CegarLoopResult]: For program point L371-10(lines 371 377) no Hoare annotation was computed. [2021-10-11 02:25:53,375 INFO L262 CegarLoopResult]: For program point L504(lines 504 510) no Hoare annotation was computed. [2021-10-11 02:25:53,375 INFO L262 CegarLoopResult]: For program point L504-2(lines 504 510) no Hoare annotation was computed. [2021-10-11 02:25:53,375 INFO L258 CegarLoopResult]: At program point L405(lines 400 408) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 (= ~waterLevel~0 (_ bv2 32)) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse3 .cse4 .cse5))) [2021-10-11 02:25:53,375 INFO L258 CegarLoopResult]: At program point L405-1(lines 400 408) the Hoare annotation is: false [2021-10-11 02:25:53,375 INFO L262 CegarLoopResult]: For program point L504-4(lines 504 510) no Hoare annotation was computed. [2021-10-11 02:25:53,375 INFO L258 CegarLoopResult]: At program point L405-2(lines 400 408) the Hoare annotation is: false [2021-10-11 02:25:53,375 INFO L258 CegarLoopResult]: At program point L174-2(lines 174 188) the Hoare annotation is: false [2021-10-11 02:25:53,375 INFO L262 CegarLoopResult]: For program point L538(lines 538 544) no Hoare annotation was computed. [2021-10-11 02:25:53,375 INFO L258 CegarLoopResult]: At program point L538-1(lines 538 544) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse6 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse7 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse6 .cse4 .cse7 .cse5) (and .cse0 .cse1 .cse6 .cse3 .cse4 .cse5) (and .cse1 .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse7 .cse5 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~6)) (and .cse1 .cse2 .cse4 .cse7 .cse5))) [2021-10-11 02:25:53,375 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 02:25:53,375 INFO L262 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2021-10-11 02:25:53,376 INFO L262 CegarLoopResult]: For program point L142(lines 142 148) no Hoare annotation was computed. [2021-10-11 02:25:53,376 INFO L262 CegarLoopResult]: For program point L142-1(lines 142 148) no Hoare annotation was computed. [2021-10-11 02:25:53,376 INFO L262 CegarLoopResult]: For program point L142-2(lines 142 148) no Hoare annotation was computed. [2021-10-11 02:25:53,376 INFO L262 CegarLoopResult]: For program point L142-3(lines 142 148) no Hoare annotation was computed. [2021-10-11 02:25:53,376 INFO L262 CegarLoopResult]: For program point L142-4(lines 142 148) no Hoare annotation was computed. [2021-10-11 02:25:53,376 INFO L262 CegarLoopResult]: For program point L142-5(lines 142 148) no Hoare annotation was computed. [2021-10-11 02:25:53,376 INFO L262 CegarLoopResult]: For program point L473(lines 473 477) no Hoare annotation was computed. [2021-10-11 02:25:53,376 INFO L262 CegarLoopResult]: For program point L473-2(lines 473 477) no Hoare annotation was computed. [2021-10-11 02:25:53,376 INFO L262 CegarLoopResult]: For program point L473-3(lines 473 477) no Hoare annotation was computed. [2021-10-11 02:25:53,376 INFO L262 CegarLoopResult]: For program point L308(lines 308 325) no Hoare annotation was computed. [2021-10-11 02:25:53,376 INFO L262 CegarLoopResult]: For program point L473-5(lines 473 477) no Hoare annotation was computed. [2021-10-11 02:25:53,376 INFO L262 CegarLoopResult]: For program point L308-1(lines 308 325) no Hoare annotation was computed. [2021-10-11 02:25:53,376 INFO L262 CegarLoopResult]: For program point L473-6(lines 473 477) no Hoare annotation was computed. [2021-10-11 02:25:53,376 INFO L262 CegarLoopResult]: For program point L308-2(lines 308 325) no Hoare annotation was computed. [2021-10-11 02:25:53,376 INFO L262 CegarLoopResult]: For program point L308-3(lines 308 325) no Hoare annotation was computed. [2021-10-11 02:25:53,376 INFO L262 CegarLoopResult]: For program point L473-8(lines 473 477) no Hoare annotation was computed. [2021-10-11 02:25:53,376 INFO L262 CegarLoopResult]: For program point L308-4(lines 308 325) no Hoare annotation was computed. [2021-10-11 02:25:53,376 INFO L262 CegarLoopResult]: For program point L308-5(lines 308 325) no Hoare annotation was computed. [2021-10-11 02:25:53,376 INFO L262 CegarLoopResult]: For program point L77(lines 77 81) no Hoare annotation was computed. [2021-10-11 02:25:53,377 INFO L258 CegarLoopResult]: At program point L276(lines 275 294) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse5 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse4) (and .cse1 .cse5 .cse6 .cse4) (and .cse1 .cse2 .cse3 .cse6 .cse4))) [2021-10-11 02:25:53,377 INFO L262 CegarLoopResult]: For program point L276-1(lines 276 282) no Hoare annotation was computed. [2021-10-11 02:25:53,377 INFO L258 CegarLoopResult]: At program point L276-2(lines 275 294) the Hoare annotation is: false [2021-10-11 02:25:53,377 INFO L258 CegarLoopResult]: At program point L276-3(lines 275 294) the Hoare annotation is: false [2021-10-11 02:25:53,377 INFO L258 CegarLoopResult]: At program point L607(lines 1 984) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:25:53,377 INFO L262 CegarLoopResult]: For program point L178(lines 178 182) no Hoare annotation was computed. [2021-10-11 02:25:53,377 INFO L262 CegarLoopResult]: For program point L178-1(lines 276 282) no Hoare annotation was computed. [2021-10-11 02:25:53,377 INFO L262 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2021-10-11 02:25:53,377 INFO L262 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2021-10-11 02:25:53,377 INFO L262 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2021-10-11 02:25:53,377 INFO L258 CegarLoopResult]: At program point L576(lines 527 577) the Hoare annotation is: false [2021-10-11 02:25:53,377 INFO L262 CegarLoopResult]: For program point L312(lines 312 320) no Hoare annotation was computed. [2021-10-11 02:25:53,377 INFO L262 CegarLoopResult]: For program point L312-1(lines 312 320) no Hoare annotation was computed. [2021-10-11 02:25:53,377 INFO L262 CegarLoopResult]: For program point L312-2(lines 312 320) no Hoare annotation was computed. [2021-10-11 02:25:53,377 INFO L262 CegarLoopResult]: For program point L312-3(lines 312 320) no Hoare annotation was computed. [2021-10-11 02:25:53,377 INFO L262 CegarLoopResult]: For program point L312-4(lines 312 320) no Hoare annotation was computed. [2021-10-11 02:25:53,377 INFO L258 CegarLoopResult]: At program point L147(lines 138 151) the Hoare annotation is: false [2021-10-11 02:25:53,378 INFO L262 CegarLoopResult]: For program point L312-5(lines 312 320) no Hoare annotation was computed. [2021-10-11 02:25:53,383 INFO L258 CegarLoopResult]: At program point L147-1(lines 138 151) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse5 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse6 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse7 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse6 .cse3 .cse7 .cse4) (and .cse0 .cse1 .cse5 .cse6 .cse3 .cse4) (and .cse1 .cse2 .cse3 .cse7 .cse4))) [2021-10-11 02:25:53,384 INFO L258 CegarLoopResult]: At program point L147-2(lines 138 151) the Hoare annotation is: false [2021-10-11 02:25:53,384 INFO L258 CegarLoopResult]: At program point L147-3(lines 138 151) the Hoare annotation is: false [2021-10-11 02:25:53,384 INFO L258 CegarLoopResult]: At program point L147-4(lines 138 151) the Hoare annotation is: false [2021-10-11 02:25:53,384 INFO L258 CegarLoopResult]: At program point L147-5(lines 138 151) the Hoare annotation is: false [2021-10-11 02:25:53,384 INFO L258 CegarLoopResult]: At program point L479(lines 464 482) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse3 (= (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~1 (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (= ULTIMATE.start_isLowWaterLevel_~tmp~5 (_ bv0 32))) (.cse5 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse6 (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3 .cse4 .cse5 .cse6))) [2021-10-11 02:25:53,384 INFO L258 CegarLoopResult]: At program point L479-1(lines 464 482) the Hoare annotation is: false [2021-10-11 02:25:53,384 INFO L258 CegarLoopResult]: At program point L479-2(lines 464 482) the Hoare annotation is: false [2021-10-11 02:25:53,384 INFO L258 CegarLoopResult]: At program point L283(lines 283 289) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse5 .cse4) (and .cse0 .cse1 .cse6 .cse3 .cse4) (and .cse1 .cse6 .cse3 .cse5 .cse4))) [2021-10-11 02:25:53,384 INFO L262 CegarLoopResult]: For program point L250(lines 250 257) no Hoare annotation was computed. [2021-10-11 02:25:53,384 INFO L258 CegarLoopResult]: At program point L283-1(lines 283 289) the Hoare annotation is: false [2021-10-11 02:25:53,385 INFO L258 CegarLoopResult]: At program point L283-2(lines 283 289) the Hoare annotation is: false [2021-10-11 02:25:53,385 INFO L265 CegarLoopResult]: At program point L250-1(lines 250 257) the Hoare annotation is: true [2021-10-11 02:25:53,385 INFO L262 CegarLoopResult]: For program point L548(lines 548 554) no Hoare annotation was computed. [2021-10-11 02:25:53,385 INFO L258 CegarLoopResult]: At program point L548-1(lines 548 554) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse6 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse4 .cse3) (and .cse0 .cse1 .cse5 .cse6 .cse3) (and .cse1 .cse5 .cse6 .cse4 .cse3))) [2021-10-11 02:25:53,385 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:25:53,385 INFO L258 CegarLoopResult]: At program point L615(lines 610 618) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:25:53,385 INFO L262 CegarLoopResult]: For program point L89(lines 89 93) no Hoare annotation was computed. [2021-10-11 02:25:53,385 INFO L262 CegarLoopResult]: For program point L454(lines 454 458) no Hoare annotation was computed. [2021-10-11 02:25:53,385 INFO L262 CegarLoopResult]: For program point L454-2(lines 454 458) no Hoare annotation was computed. [2021-10-11 02:25:53,385 INFO L262 CegarLoopResult]: For program point L454-3(lines 454 458) no Hoare annotation was computed. [2021-10-11 02:25:53,385 INFO L262 CegarLoopResult]: For program point L454-5(lines 454 458) no Hoare annotation was computed. [2021-10-11 02:25:53,385 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:25:53,385 INFO L262 CegarLoopResult]: For program point L454-6(lines 454 458) no Hoare annotation was computed. [2021-10-11 02:25:53,385 INFO L258 CegarLoopResult]: At program point L223(lines 219 225) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:25:53,386 INFO L262 CegarLoopResult]: For program point L454-8(lines 454 458) no Hoare annotation was computed. [2021-10-11 02:25:53,386 INFO L258 CegarLoopResult]: At program point L157(lines 152 160) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3))) [2021-10-11 02:25:53,386 INFO L262 CegarLoopResult]: For program point L454-9(lines 454 458) no Hoare annotation was computed. [2021-10-11 02:25:53,386 INFO L258 CegarLoopResult]: At program point L157-1(lines 152 160) the Hoare annotation is: false [2021-10-11 02:25:53,386 INFO L262 CegarLoopResult]: For program point L454-11(lines 454 458) no Hoare annotation was computed. [2021-10-11 02:25:53,386 INFO L258 CegarLoopResult]: At program point L157-2(lines 152 160) the Hoare annotation is: false [2021-10-11 02:25:53,386 INFO L262 CegarLoopResult]: For program point L454-12(lines 454 458) no Hoare annotation was computed. [2021-10-11 02:25:53,386 INFO L262 CegarLoopResult]: For program point L454-14(lines 454 458) no Hoare annotation was computed. [2021-10-11 02:25:53,386 INFO L262 CegarLoopResult]: For program point L454-15(lines 454 458) no Hoare annotation was computed. [2021-10-11 02:25:53,386 INFO L262 CegarLoopResult]: For program point L454-17(lines 454 458) no Hoare annotation was computed. [2021-10-11 02:25:53,386 INFO L265 CegarLoopResult]: At program point L259(lines 240 262) the Hoare annotation is: true [2021-10-11 02:25:53,386 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:25:53,386 INFO L262 CegarLoopResult]: For program point L558(lines 558 571) no Hoare annotation was computed. [2021-10-11 02:25:53,387 INFO L258 CegarLoopResult]: At program point L460(lines 445 463) the Hoare annotation is: false [2021-10-11 02:25:53,394 INFO L258 CegarLoopResult]: At program point L460-1(lines 445 463) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse6 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse8 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse3 .cse6 .cse4 .cse7) (and .cse1 .cse2 .cse3 .cse8 .cse4) (and .cse1 .cse5 .cse3 .cse6 .cse8 .cse4 .cse7))) [2021-10-11 02:25:53,394 INFO L258 CegarLoopResult]: At program point L460-2(lines 445 463) the Hoare annotation is: false [2021-10-11 02:25:53,394 INFO L258 CegarLoopResult]: At program point L460-3(lines 445 463) the Hoare annotation is: false [2021-10-11 02:25:53,394 INFO L258 CegarLoopResult]: At program point L460-4(lines 445 463) the Hoare annotation is: false [2021-10-11 02:25:53,394 INFO L258 CegarLoopResult]: At program point L460-5(lines 445 463) the Hoare annotation is: false [2021-10-11 02:25:53,394 INFO L262 CegarLoopResult]: For program point L65(lines 65 69) no Hoare annotation was computed. [2021-10-11 02:25:53,394 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:25:53,394 INFO L262 CegarLoopResult]: For program point L65-3(lines 65 69) no Hoare annotation was computed. [2021-10-11 02:25:53,394 INFO L262 CegarLoopResult]: For program point L65-6(lines 65 69) no Hoare annotation was computed. [2021-10-11 02:25:53,394 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 02:25:53,394 INFO L258 CegarLoopResult]: At program point L396(lines 389 399) the Hoare annotation is: false [2021-10-11 02:25:53,394 INFO L258 CegarLoopResult]: At program point L396-1(lines 389 399) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneAlarm_#res| (_ bv4294967295 32))) .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse2 .cse3))) [2021-10-11 02:25:53,394 INFO L258 CegarLoopResult]: At program point L396-2(lines 389 399) the Hoare annotation is: false [2021-10-11 02:25:53,395 INFO L258 CegarLoopResult]: At program point L396-3(lines 389 399) the Hoare annotation is: false [2021-10-11 02:25:53,395 INFO L258 CegarLoopResult]: At program point L396-4(lines 389 399) the Hoare annotation is: false [2021-10-11 02:25:53,395 INFO L258 CegarLoopResult]: At program point L396-5(lines 389 399) the Hoare annotation is: false [2021-10-11 02:25:53,395 INFO L262 CegarLoopResult]: For program point L529(lines 528 575) no Hoare annotation was computed. [2021-10-11 02:25:53,395 INFO L262 CegarLoopResult]: For program point L530(lines 530 534) no Hoare annotation was computed. [2021-10-11 02:25:53,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:25:53 BoogieIcfgContainer [2021-10-11 02:25:53,472 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:25:53,473 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:25:53,473 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:25:53,473 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:25:53,474 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:25:31" (3/4) ... [2021-10-11 02:25:53,477 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:25:53,508 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:25:53,510 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:25:53,511 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:25:53,512 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:25:53,514 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:25:53,515 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:25:53,516 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:25:53,543 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2021-10-11 02:25:53,544 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2021-10-11 02:25:53,544 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == tmp)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:25:53,544 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == tmp)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:25:53,549 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:25:53,550 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:25:53,551 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:25:53,551 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:25:53,556 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) || (((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) [2021-10-11 02:25:53,560 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && tmp___0 == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && tmp___0 == 0bv32) [2021-10-11 02:25:53,564 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:25:53,565 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:25:53,653 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0c39e11-bc5b-43b2-8b5d-bedf1dbe307c/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:25:53,653 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:25:53,654 INFO L168 Benchmark]: Toolchain (without parser) took 26202.77 ms. Allocated memory was 65.0 MB in the beginning and 151.0 MB in the end (delta: 86.0 MB). Free memory was 44.4 MB in the beginning and 42.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 86.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:53,654 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 65.0 MB. Free memory is still 47.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:25:53,655 INFO L168 Benchmark]: CACSL2BoogieTranslator took 798.56 ms. Allocated memory was 65.0 MB in the beginning and 86.0 MB in the end (delta: 21.0 MB). Free memory was 44.2 MB in the beginning and 68.1 MB in the end (delta: -24.0 MB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:53,655 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.26 ms. Allocated memory is still 86.0 MB. Free memory was 68.1 MB in the beginning and 64.3 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:53,656 INFO L168 Benchmark]: Boogie Preprocessor took 108.06 ms. Allocated memory is still 86.0 MB. Free memory was 64.3 MB in the beginning and 61.1 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:53,656 INFO L168 Benchmark]: RCFGBuilder took 3026.08 ms. Allocated memory is still 86.0 MB. Free memory was 61.1 MB in the beginning and 47.9 MB in the end (delta: 13.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:53,656 INFO L168 Benchmark]: TraceAbstraction took 21972.53 ms. Allocated memory was 86.0 MB in the beginning and 151.0 MB in the end (delta: 65.0 MB). Free memory was 47.6 MB in the beginning and 54.2 MB in the end (delta: -6.6 MB). Peak memory consumption was 72.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:53,657 INFO L168 Benchmark]: Witness Printer took 180.17 ms. Allocated memory is still 151.0 MB. Free memory was 54.2 MB in the beginning and 42.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:53,660 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 65.0 MB. Free memory is still 47.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 798.56 ms. Allocated memory was 65.0 MB in the beginning and 86.0 MB in the end (delta: 21.0 MB). Free memory was 44.2 MB in the beginning and 68.1 MB in the end (delta: -24.0 MB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 110.26 ms. Allocated memory is still 86.0 MB. Free memory was 68.1 MB in the beginning and 64.3 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 108.06 ms. Allocated memory is still 86.0 MB. Free memory was 64.3 MB in the beginning and 61.1 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3026.08 ms. Allocated memory is still 86.0 MB. Free memory was 61.1 MB in the beginning and 47.9 MB in the end (delta: 13.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 21972.53 ms. Allocated memory was 86.0 MB in the beginning and 151.0 MB in the end (delta: 65.0 MB). Free memory was 47.6 MB in the beginning and 54.2 MB in the end (delta: -6.6 MB). Peak memory consumption was 72.4 MB. Max. memory is 16.1 GB. * Witness Printer took 180.17 ms. Allocated memory is still 151.0 MB. Free memory was 54.2 MB in the beginning and 42.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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: 97]: Loop Invariant Derived loop invariant: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 548]: Loop Invariant Derived loop invariant: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && tmp___0 == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && tmp___0 == 0bv32) - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 464]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 464]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: ((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == tmp)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 464]: Loop Invariant Derived loop invariant: (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) || (((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == tmp)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 135 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.4s, OverallIterations: 12, TraceHistogramMax: 2, AutomataDifference: 6.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1428 SDtfs, 2326 SDslu, 2776 SDs, 0 SdLazy, 466 SolverSat, 88 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 694 GetRequests, 632 SyntacticMatches, 1 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=496occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 1827 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 55 PreInvPairs, 192 NumberOfFragments, 1146 HoareAnnotationTreeSize, 55 FomulaSimplifications, 550180 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 55 FomulaSimplificationsInter, 144616 FormulaSimplificationTreeSizeReductionInter, 5.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 501 NumberOfCodeBlocks, 501 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 652 ConstructedInterpolants, 0 QuantifiedInterpolants, 88139 SizeOfPredicates, 34 NumberOfNonLiveVariables, 3063 ConjunctsInSsa, 65 ConjunctsInUnsatCore, 17 InterpolantComputations, 11 PerfectInterpolantSequences, 62/98 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...