./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product45.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product45.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG --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 69f20c6619059452dea710c235d91f0e8ca980fcacc48c7e37668ab8a6397c50 ............................................................................................................................................ 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_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product45.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG --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 69f20c6619059452dea710c235d91f0e8ca980fcacc48c7e37668ab8a6397c50 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:27:13,421 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:27:13,425 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:27:13,472 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:27:13,473 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:27:13,477 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:27:13,479 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:27:13,483 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:27:13,486 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:27:13,491 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:27:13,493 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:27:13,495 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:27:13,495 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:27:13,498 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:27:13,500 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:27:13,505 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:27:13,507 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:27:13,509 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:27:13,511 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:27:13,520 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:27:13,522 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:27:13,523 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:27:13,527 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:27:13,528 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:27:13,537 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:27:13,538 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:27:13,538 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:27:13,541 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:27:13,541 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:27:13,543 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:27:13,544 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:27:13,545 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:27:13,557 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:27:13,558 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:27:13,564 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:27:13,564 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:27:13,565 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:27:13,566 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:27:13,566 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:27:13,567 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:27:13,568 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:27:13,569 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 05:27:13,626 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:27:13,626 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:27:13,627 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:27:13,630 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:27:13,630 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:27:13,630 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:27:13,630 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:27:13,631 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:27:13,631 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:27:13,631 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:27:13,632 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:27:13,632 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:27:13,633 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:27:13,633 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:27:13,633 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:27:13,634 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:27:13,634 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:27:13,634 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:27:13,635 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:27:13,635 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:27:13,635 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:27:13,635 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:27:13,636 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:27:13,636 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:27:13,636 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:27:13,637 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:27:13,637 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:27:13,637 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:27:13,637 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:27:13,639 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:27:13,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:27:13,640 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:27:13,640 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:27:13,640 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:27:13,640 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:27:13,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:27:13,641 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:27:13,641 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:27:13,641 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:27:13,641 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_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 69f20c6619059452dea710c235d91f0e8ca980fcacc48c7e37668ab8a6397c50 [2021-10-29 05:27:13,953 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:27:14,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:27:14,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:27:14,008 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:27:14,009 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:27:14,010 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec2_product45.cil.c [2021-10-29 05:27:14,083 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/data/82104deaa/cb2151e6c9dd4723bb70ec06c63db8b9/FLAG96a34fd81 [2021-10-29 05:27:14,739 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:27:14,742 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/sv-benchmarks/c/product-lines/minepump_spec2_product45.cil.c [2021-10-29 05:27:14,761 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/data/82104deaa/cb2151e6c9dd4723bb70ec06c63db8b9/FLAG96a34fd81 [2021-10-29 05:27:15,004 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/data/82104deaa/cb2151e6c9dd4723bb70ec06c63db8b9 [2021-10-29 05:27:15,006 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:27:15,008 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:27:15,010 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:27:15,010 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:27:15,013 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:27:15,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:27:15" (1/1) ... [2021-10-29 05:27:15,015 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2799d221 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:27:15, skipping insertion in model container [2021-10-29 05:27:15,016 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:27:15" (1/1) ... [2021-10-29 05:27:15,023 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:27:15,061 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:27:15,288 WARN L228 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_b53920eb-91a6-4a53-8e72-29818d541219/sv-benchmarks/c/product-lines/minepump_spec2_product45.cil.c[11292,11305] [2021-10-29 05:27:15,347 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:27:15,364 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) [2021-10-29 05:27:15,365 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@ed84970 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:27:15, skipping insertion in model container [2021-10-29 05:27:15,365 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:27:15,365 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 05:27:15,368 INFO L168 Benchmark]: Toolchain (without parser) took 358.44 ms. Allocated memory is still 104.9 MB. Free memory was 66.0 MB in the beginning and 52.0 MB in the end (delta: 13.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-29 05:27:15,368 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 104.9 MB. Free memory is still 83.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:27:15,369 INFO L168 Benchmark]: CACSL2BoogieTranslator took 355.62 ms. Allocated memory is still 104.9 MB. Free memory was 65.8 MB in the beginning and 52.1 MB in the end (delta: 13.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 05:27:15,371 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 104.9 MB. Free memory is still 83.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 355.62 ms. Allocated memory is still 104.9 MB. Free memory was 65.8 MB in the beginning and 52.1 MB in the end (delta: 13.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 78]: 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 0.2.1-dev-b2eff8b [2021-10-29 05:27:17,628 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:27:17,630 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:27:17,670 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:27:17,670 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:27:17,676 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:27:17,678 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:27:17,683 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:27:17,686 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:27:17,697 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:27:17,699 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:27:17,700 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:27:17,701 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:27:17,703 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:27:17,705 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:27:17,711 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:27:17,713 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:27:17,714 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:27:17,726 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:27:17,733 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:27:17,735 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:27:17,737 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:27:17,740 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:27:17,742 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:27:17,747 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:27:17,748 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:27:17,748 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:27:17,750 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:27:17,751 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:27:17,752 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:27:17,752 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:27:17,753 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:27:17,755 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:27:17,756 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:27:17,757 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:27:17,758 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:27:17,759 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:27:17,759 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:27:17,759 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:27:17,761 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:27:17,762 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:27:17,762 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-29 05:27:17,803 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:27:17,803 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:27:17,804 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:27:17,805 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:27:17,805 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:27:17,805 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:27:17,805 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:27:17,806 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:27:17,806 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:27:17,807 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:27:17,808 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:27:17,809 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:27:17,809 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:27:17,809 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:27:17,809 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:27:17,810 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:27:17,810 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:27:17,810 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 05:27:17,810 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 05:27:17,810 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:27:17,811 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:27:17,811 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:27:17,811 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:27:17,811 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:27:17,812 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 05:27:17,812 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:27:17,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:27:17,812 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:27:17,813 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:27:17,813 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:27:17,813 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 05:27:17,813 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 05:27:17,814 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:27:17,814 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:27:17,814 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:27:17,814 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_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 69f20c6619059452dea710c235d91f0e8ca980fcacc48c7e37668ab8a6397c50 [2021-10-29 05:27:18,200 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:27:18,220 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:27:18,223 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:27:18,224 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:27:18,225 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:27:18,226 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec2_product45.cil.c [2021-10-29 05:27:18,297 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/data/1aeefaae7/6d2f1aaded6c4e66a64a21d356a5b1d3/FLAG70cea87c0 [2021-10-29 05:27:18,967 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:27:18,968 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/sv-benchmarks/c/product-lines/minepump_spec2_product45.cil.c [2021-10-29 05:27:18,986 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/data/1aeefaae7/6d2f1aaded6c4e66a64a21d356a5b1d3/FLAG70cea87c0 [2021-10-29 05:27:19,251 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/data/1aeefaae7/6d2f1aaded6c4e66a64a21d356a5b1d3 [2021-10-29 05:27:19,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:27:19,255 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:27:19,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:27:19,257 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:27:19,273 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:27:19,274 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:27:19" (1/1) ... [2021-10-29 05:27:19,275 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21100c71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:27:19, skipping insertion in model container [2021-10-29 05:27:19,275 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:27:19" (1/1) ... [2021-10-29 05:27:19,280 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:27:19,331 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:27:19,629 WARN L228 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_b53920eb-91a6-4a53-8e72-29818d541219/sv-benchmarks/c/product-lines/minepump_spec2_product45.cil.c[11292,11305] [2021-10-29 05:27:19,735 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:27:19,753 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-29 05:27:19,768 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:27:19,827 WARN L228 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_b53920eb-91a6-4a53-8e72-29818d541219/sv-benchmarks/c/product-lines/minepump_spec2_product45.cil.c[11292,11305] [2021-10-29 05:27:19,863 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:27:19,876 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 05:27:19,931 WARN L228 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_b53920eb-91a6-4a53-8e72-29818d541219/sv-benchmarks/c/product-lines/minepump_spec2_product45.cil.c[11292,11305] [2021-10-29 05:27:19,970 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:27:19,993 INFO L208 MainTranslator]: Completed translation [2021-10-29 05:27:19,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:27:19 WrapperNode [2021-10-29 05:27:19,994 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:27:19,995 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 05:27:19,995 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 05:27:19,996 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 05:27:20,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:27:19" (1/1) ... [2021-10-29 05:27:20,031 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:27:19" (1/1) ... [2021-10-29 05:27:20,120 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 05:27:20,122 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 05:27:20,122 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 05:27:20,123 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 05:27:20,131 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:27:19" (1/1) ... [2021-10-29 05:27:20,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:27:19" (1/1) ... [2021-10-29 05:27:20,150 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:27:19" (1/1) ... [2021-10-29 05:27:20,155 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:27:19" (1/1) ... [2021-10-29 05:27:20,170 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:27:19" (1/1) ... [2021-10-29 05:27:20,197 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:27:19" (1/1) ... [2021-10-29 05:27:20,217 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:27:19" (1/1) ... [2021-10-29 05:27:20,221 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 05:27:20,222 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 05:27:20,223 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 05:27:20,223 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 05:27:20,224 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:27:19" (1/1) ... [2021-10-29 05:27:20,230 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:27:20,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:27:20,269 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 05:27:20,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 05:27:20,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 05:27:20,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 05:27:20,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 05:27:20,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 05:27:22,737 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 05:27:22,737 INFO L299 CfgBuilder]: Removed 194 assume(true) statements. [2021-10-29 05:27:22,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:27:22 BoogieIcfgContainer [2021-10-29 05:27:22,740 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 05:27:22,742 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 05:27:22,742 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 05:27:22,745 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 05:27:22,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 05:27:19" (1/3) ... [2021-10-29 05:27:22,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@442f2fc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:27:22, skipping insertion in model container [2021-10-29 05:27:22,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:27:19" (2/3) ... [2021-10-29 05:27:22,747 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@442f2fc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:27:22, skipping insertion in model container [2021-10-29 05:27:22,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:27:22" (3/3) ... [2021-10-29 05:27:22,748 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product45.cil.c [2021-10-29 05:27:22,754 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 05:27:22,754 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-29 05:27:22,801 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 05:27:22,808 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-29 05:27:22,808 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-29 05:27:22,825 INFO L276 IsEmpty]: Start isEmpty. Operand has 133 states, 129 states have (on average 1.5426356589147288) internal successors, (199), 132 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:27:22,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 05:27:22,831 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:27:22,832 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:27:22,833 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:27:22,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:27:22,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1990737743, now seen corresponding path program 1 times [2021-10-29 05:27:22,852 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:27:22,853 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1783063312] [2021-10-29 05:27:22,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:27:22,854 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:27:22,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:27:22,857 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:27:22,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-29 05:27:23,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:27:23,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-29 05:27:23,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:27:23,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:27:23,213 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:27:23,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:27:23,305 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:27:23,306 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1783063312] [2021-10-29 05:27:23,306 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1783063312] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:27:23,307 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:27:23,307 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-29 05:27:23,309 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749671701] [2021-10-29 05:27:23,322 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-29 05:27:23,322 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:27:23,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-29 05:27:23,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 05:27:23,338 INFO L87 Difference]: Start difference. First operand has 133 states, 129 states have (on average 1.5426356589147288) internal successors, (199), 132 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:27:23,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:27:23,372 INFO L93 Difference]: Finished difference Result 259 states and 390 transitions. [2021-10-29 05:27:23,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 05:27:23,373 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-29 05:27:23,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:27:23,384 INFO L225 Difference]: With dead ends: 259 [2021-10-29 05:27:23,385 INFO L226 Difference]: Without dead ends: 129 [2021-10-29 05:27:23,388 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 05:27:23,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2021-10-29 05:27:23,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2021-10-29 05:27:23,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 126 states have (on average 1.4841269841269842) internal successors, (187), 128 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:27:23,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 187 transitions. [2021-10-29 05:27:23,436 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 187 transitions. Word has length 18 [2021-10-29 05:27:23,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:27:23,437 INFO L470 AbstractCegarLoop]: Abstraction has 129 states and 187 transitions. [2021-10-29 05:27:23,437 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:27:23,438 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 187 transitions. [2021-10-29 05:27:23,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 05:27:23,439 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:27:23,439 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:27:23,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-29 05:27:23,651 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:27:23,651 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:27:23,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:27:23,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1480807491, now seen corresponding path program 1 times [2021-10-29 05:27:23,653 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:27:23,653 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1051020118] [2021-10-29 05:27:23,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:27:23,654 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:27:23,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:27:23,659 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:27:23,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-29 05:27:23,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:27:23,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:27:23,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:27:23,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:27:23,956 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:27:24,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:27:24,030 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:27:24,030 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1051020118] [2021-10-29 05:27:24,030 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1051020118] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:27:24,030 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:27:24,031 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-29 05:27:24,031 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007496879] [2021-10-29 05:27:24,036 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:27:24,036 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:27:24,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:27:24,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:27:24,043 INFO L87 Difference]: Start difference. First operand 129 states and 187 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:27:24,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:27:24,081 INFO L93 Difference]: Finished difference Result 129 states and 187 transitions. [2021-10-29 05:27:24,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:27:24,085 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-29 05:27:24,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:27:24,088 INFO L225 Difference]: With dead ends: 129 [2021-10-29 05:27:24,089 INFO L226 Difference]: Without dead ends: 53 [2021-10-29 05:27:24,090 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:27:24,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-10-29 05:27:24,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-10-29 05:27:24,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.4615384615384615) internal successors, (76), 52 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:27:24,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2021-10-29 05:27:24,104 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 19 [2021-10-29 05:27:24,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:27:24,105 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2021-10-29 05:27:24,106 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:27:24,106 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2021-10-29 05:27:24,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 05:27:24,108 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:27:24,115 INFO L513 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] [2021-10-29 05:27:24,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-29 05:27:24,317 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:27:24,318 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:27:24,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:27:24,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1380156086, now seen corresponding path program 1 times [2021-10-29 05:27:24,319 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:27:24,319 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1407239380] [2021-10-29 05:27:24,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:27:24,320 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:27:24,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:27:24,328 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:27:24,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-29 05:27:24,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:27:24,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:27:24,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:27:24,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:27:24,638 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:27:24,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:27:24,735 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:27:24,735 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1407239380] [2021-10-29 05:27:24,735 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1407239380] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:27:24,735 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:27:24,736 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-29 05:27:24,736 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917258249] [2021-10-29 05:27:24,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:27:24,737 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:27:24,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:27:24,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:27:24,738 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:27:24,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:27:24,748 INFO L93 Difference]: Finished difference Result 99 states and 145 transitions. [2021-10-29 05:27:24,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:27:24,749 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-29 05:27:24,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:27:24,750 INFO L225 Difference]: With dead ends: 99 [2021-10-29 05:27:24,750 INFO L226 Difference]: Without dead ends: 53 [2021-10-29 05:27:24,751 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:27:24,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-10-29 05:27:24,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-10-29 05:27:24,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.4423076923076923) internal successors, (75), 52 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:27:24,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2021-10-29 05:27:24,759 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 24 [2021-10-29 05:27:24,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:27:24,760 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2021-10-29 05:27:24,760 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:27:24,760 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2021-10-29 05:27:24,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 05:27:24,761 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:27:24,761 INFO L513 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] [2021-10-29 05:27:24,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-29 05:27:24,977 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:27:24,978 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:27:24,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:27:24,979 INFO L85 PathProgramCache]: Analyzing trace with hash -1074913896, now seen corresponding path program 1 times [2021-10-29 05:27:24,981 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:27:24,981 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [618491073] [2021-10-29 05:27:24,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:27:24,982 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:27:24,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:27:24,983 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:27:25,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-29 05:27:25,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:27:25,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:27:25,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:27:25,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:27:25,282 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:27:25,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:27:25,341 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:27:25,342 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [618491073] [2021-10-29 05:27:25,342 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [618491073] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:27:25,342 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:27:25,342 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-29 05:27:25,342 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512421061] [2021-10-29 05:27:25,343 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 05:27:25,343 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:27:25,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 05:27:25,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:27:25,344 INFO L87 Difference]: Start difference. First operand 53 states and 75 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:27:25,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:27:25,399 INFO L93 Difference]: Finished difference Result 121 states and 175 transitions. [2021-10-29 05:27:25,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:27:25,400 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-29 05:27:25,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:27:25,401 INFO L225 Difference]: With dead ends: 121 [2021-10-29 05:27:25,401 INFO L226 Difference]: Without dead ends: 75 [2021-10-29 05:27:25,402 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:27:25,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-10-29 05:27:25,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2021-10-29 05:27:25,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 72 states have (on average 1.4305555555555556) internal successors, (103), 72 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:27:25,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 103 transitions. [2021-10-29 05:27:25,412 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 103 transitions. Word has length 26 [2021-10-29 05:27:25,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:27:25,413 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 103 transitions. [2021-10-29 05:27:25,413 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:27:25,413 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 103 transitions. [2021-10-29 05:27:25,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-29 05:27:25,414 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:27:25,414 INFO L513 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] [2021-10-29 05:27:25,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-29 05:27:25,626 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:27:25,626 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:27:25,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:27:25,627 INFO L85 PathProgramCache]: Analyzing trace with hash -989359546, now seen corresponding path program 1 times [2021-10-29 05:27:25,628 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:27:25,628 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [957031516] [2021-10-29 05:27:25,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:27:25,628 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:27:25,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:27:25,629 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:27:25,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-29 05:27:25,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:27:25,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-29 05:27:25,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:27:25,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:27:25,981 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:27:26,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:27:26,084 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:27:26,085 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [957031516] [2021-10-29 05:27:26,088 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [957031516] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:27:26,089 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:27:26,089 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-29 05:27:26,089 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878502016] [2021-10-29 05:27:26,090 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 05:27:26,090 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:27:26,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 05:27:26,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-29 05:27:26,095 INFO L87 Difference]: Start difference. First operand 73 states and 103 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:27:26,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:27:26,166 INFO L93 Difference]: Finished difference Result 263 states and 377 transitions. [2021-10-29 05:27:26,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 05:27:26,167 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-10-29 05:27:26,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:27:26,169 INFO L225 Difference]: With dead ends: 263 [2021-10-29 05:27:26,169 INFO L226 Difference]: Without dead ends: 197 [2021-10-29 05:27:26,170 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-29 05:27:26,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2021-10-29 05:27:26,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 77. [2021-10-29 05:27:26,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 76 states have (on average 1.4078947368421053) internal successors, (107), 76 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:27:26,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 107 transitions. [2021-10-29 05:27:26,184 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 107 transitions. Word has length 32 [2021-10-29 05:27:26,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:27:26,185 INFO L470 AbstractCegarLoop]: Abstraction has 77 states and 107 transitions. [2021-10-29 05:27:26,185 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:27:26,185 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 107 transitions. [2021-10-29 05:27:26,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-29 05:27:26,186 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:27:26,186 INFO L513 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] [2021-10-29 05:27:26,202 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-29 05:27:26,399 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:27:26,399 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:27:26,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:27:26,400 INFO L85 PathProgramCache]: Analyzing trace with hash -1690424124, now seen corresponding path program 1 times [2021-10-29 05:27:26,400 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:27:26,400 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1048568165] [2021-10-29 05:27:26,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:27:26,401 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:27:26,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:27:26,402 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:27:26,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-29 05:27:26,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:27:26,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:27:26,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:27:26,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:27:26,793 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:27:26,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:27:26,933 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:27:26,933 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1048568165] [2021-10-29 05:27:26,933 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1048568165] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:27:26,933 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:27:26,933 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-29 05:27:26,934 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945756651] [2021-10-29 05:27:26,934 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 05:27:26,934 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:27:26,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 05:27:26,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:27:26,937 INFO L87 Difference]: Start difference. First operand 77 states and 107 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:27:27,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:27:27,104 INFO L93 Difference]: Finished difference Result 364 states and 517 transitions. [2021-10-29 05:27:27,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 05:27:27,104 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-10-29 05:27:27,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:27:27,108 INFO L225 Difference]: With dead ends: 364 [2021-10-29 05:27:27,109 INFO L226 Difference]: Without dead ends: 294 [2021-10-29 05:27:27,113 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-29 05:27:27,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2021-10-29 05:27:27,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 139. [2021-10-29 05:27:27,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 138 states have (on average 1.391304347826087) internal successors, (192), 138 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:27:27,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 192 transitions. [2021-10-29 05:27:27,152 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 192 transitions. Word has length 32 [2021-10-29 05:27:27,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:27:27,152 INFO L470 AbstractCegarLoop]: Abstraction has 139 states and 192 transitions. [2021-10-29 05:27:27,153 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:27:27,153 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 192 transitions. [2021-10-29 05:27:27,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-29 05:27:27,155 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:27:27,155 INFO L513 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] [2021-10-29 05:27:27,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-29 05:27:27,358 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:27:27,359 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:27:27,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:27:27,359 INFO L85 PathProgramCache]: Analyzing trace with hash -1690580660, now seen corresponding path program 1 times [2021-10-29 05:27:27,360 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:27:27,360 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [113527995] [2021-10-29 05:27:27,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:27:27,361 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:27:27,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:27:27,362 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:27:27,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-29 05:27:27,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:27:27,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:27:27,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:27:27,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:27:27,706 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:27:27,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:27:27,782 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:27:27,782 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [113527995] [2021-10-29 05:27:27,782 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [113527995] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:27:27,782 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:27:27,782 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-29 05:27:27,782 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578723862] [2021-10-29 05:27:27,782 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 05:27:27,782 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:27:27,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 05:27:27,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:27:27,783 INFO L87 Difference]: Start difference. First operand 139 states and 192 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:27:27,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:27:27,978 INFO L93 Difference]: Finished difference Result 526 states and 731 transitions. [2021-10-29 05:27:27,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-29 05:27:27,979 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-29 05:27:27,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:27:27,984 INFO L225 Difference]: With dead ends: 526 [2021-10-29 05:27:27,985 INFO L226 Difference]: Without dead ends: 394 [2021-10-29 05:27:27,987 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-29 05:27:27,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2021-10-29 05:27:28,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 138. [2021-10-29 05:27:28,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 137 states have (on average 1.3795620437956204) internal successors, (189), 137 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:27:28,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 189 transitions. [2021-10-29 05:27:28,017 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 189 transitions. Word has length 33 [2021-10-29 05:27:28,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:27:28,018 INFO L470 AbstractCegarLoop]: Abstraction has 138 states and 189 transitions. [2021-10-29 05:27:28,018 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:27:28,018 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 189 transitions. [2021-10-29 05:27:28,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-29 05:27:28,027 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:27:28,028 INFO L513 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, 1] [2021-10-29 05:27:28,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-29 05:27:28,247 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:27:28,247 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:27:28,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:27:28,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1651164780, now seen corresponding path program 1 times [2021-10-29 05:27:28,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:27:28,249 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1452856094] [2021-10-29 05:27:28,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:27:28,249 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:27:28,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:27:28,250 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:27:28,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-29 05:27:28,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:27:28,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:27:28,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:27:28,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:27:28,617 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:27:28,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:27:28,690 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:27:28,690 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1452856094] [2021-10-29 05:27:28,692 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1452856094] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:27:28,692 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:27:28,692 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-29 05:27:28,696 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799855964] [2021-10-29 05:27:28,696 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 05:27:28,697 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:27:28,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 05:27:28,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:27:28,698 INFO L87 Difference]: Start difference. First operand 138 states and 189 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:27:28,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:27:28,776 INFO L93 Difference]: Finished difference Result 355 states and 485 transitions. [2021-10-29 05:27:28,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-29 05:27:28,777 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-10-29 05:27:28,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:27:28,779 INFO L225 Difference]: With dead ends: 355 [2021-10-29 05:27:28,779 INFO L226 Difference]: Without dead ends: 224 [2021-10-29 05:27:28,781 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-29 05:27:28,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2021-10-29 05:27:28,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 150. [2021-10-29 05:27:28,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 149 states have (on average 1.348993288590604) internal successors, (201), 149 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:27:28,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 201 transitions. [2021-10-29 05:27:28,801 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 201 transitions. Word has length 36 [2021-10-29 05:27:28,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:27:28,802 INFO L470 AbstractCegarLoop]: Abstraction has 150 states and 201 transitions. [2021-10-29 05:27:28,802 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:27:28,802 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 201 transitions. [2021-10-29 05:27:28,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-29 05:27:28,807 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:27:28,807 INFO L513 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, 1] [2021-10-29 05:27:28,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-29 05:27:29,021 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:27:29,021 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:27:29,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:27:29,021 INFO L85 PathProgramCache]: Analyzing trace with hash -381020824, now seen corresponding path program 1 times [2021-10-29 05:27:29,022 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:27:29,022 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1701403081] [2021-10-29 05:27:29,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:27:29,022 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:27:29,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:27:29,023 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:27:29,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-29 05:27:29,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:27:29,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:27:29,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:27:29,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:27:29,394 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:27:29,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:27:29,505 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:27:29,506 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1701403081] [2021-10-29 05:27:29,506 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1701403081] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:27:29,506 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:27:29,506 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-29 05:27:29,506 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158342006] [2021-10-29 05:27:29,506 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:27:29,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:27:29,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:27:29,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:27:29,507 INFO L87 Difference]: Start difference. First operand 150 states and 201 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:27:29,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:27:29,577 INFO L93 Difference]: Finished difference Result 446 states and 601 transitions. [2021-10-29 05:27:29,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 05:27:29,578 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-10-29 05:27:29,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:27:29,580 INFO L225 Difference]: With dead ends: 446 [2021-10-29 05:27:29,580 INFO L226 Difference]: Without dead ends: 303 [2021-10-29 05:27:29,581 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:27:29,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2021-10-29 05:27:29,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 251. [2021-10-29 05:27:29,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 250 states have (on average 1.336) internal successors, (334), 250 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:27:29,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 334 transitions. [2021-10-29 05:27:29,629 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 334 transitions. Word has length 36 [2021-10-29 05:27:29,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:27:29,629 INFO L470 AbstractCegarLoop]: Abstraction has 251 states and 334 transitions. [2021-10-29 05:27:29,629 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:27:29,629 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 334 transitions. [2021-10-29 05:27:29,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-29 05:27:29,630 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:27:29,630 INFO L513 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, 1, 1] [2021-10-29 05:27:29,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-29 05:27:29,843 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:27:29,843 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:27:29,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:27:29,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1855499608, now seen corresponding path program 1 times [2021-10-29 05:27:29,844 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:27:29,844 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [562994000] [2021-10-29 05:27:29,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:27:29,844 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:27:29,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:27:29,845 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:27:29,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-29 05:27:30,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:27:30,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 05:27:30,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:27:30,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:27:30,251 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:27:30,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:27:30,395 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:27:30,395 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [562994000] [2021-10-29 05:27:30,395 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [562994000] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:27:30,395 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:27:30,395 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-10-29 05:27:30,396 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905222028] [2021-10-29 05:27:30,396 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-29 05:27:30,396 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:27:30,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-29 05:27:30,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-10-29 05:27:30,397 INFO L87 Difference]: Start difference. First operand 251 states and 334 transitions. Second operand has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:27:31,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:27:31,953 INFO L93 Difference]: Finished difference Result 1089 states and 1415 transitions. [2021-10-29 05:27:31,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-29 05:27:31,954 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-10-29 05:27:31,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:27:31,959 INFO L225 Difference]: With dead ends: 1089 [2021-10-29 05:27:31,959 INFO L226 Difference]: Without dead ends: 845 [2021-10-29 05:27:31,960 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=118, Invalid=302, Unknown=0, NotChecked=0, Total=420 [2021-10-29 05:27:31,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2021-10-29 05:27:31,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 251. [2021-10-29 05:27:31,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 250 states have (on average 1.312) internal successors, (328), 250 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:27:32,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 328 transitions. [2021-10-29 05:27:32,001 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 328 transitions. Word has length 37 [2021-10-29 05:27:32,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:27:32,001 INFO L470 AbstractCegarLoop]: Abstraction has 251 states and 328 transitions. [2021-10-29 05:27:32,001 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:27:32,001 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 328 transitions. [2021-10-29 05:27:32,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-29 05:27:32,003 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:27:32,003 INFO L513 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] [2021-10-29 05:27:32,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-29 05:27:32,216 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:27:32,216 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:27:32,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:27:32,216 INFO L85 PathProgramCache]: Analyzing trace with hash -1441402284, now seen corresponding path program 1 times [2021-10-29 05:27:32,217 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:27:32,217 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1855007507] [2021-10-29 05:27:32,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:27:32,217 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:27:32,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:27:32,218 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:27:32,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-29 05:27:32,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:27:32,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 05:27:32,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:27:32,676 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-29 05:27:32,676 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:27:32,837 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-29 05:27:32,837 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:27:32,837 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1855007507] [2021-10-29 05:27:32,837 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1855007507] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:27:32,837 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:27:32,837 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-10-29 05:27:32,837 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676792174] [2021-10-29 05:27:32,838 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-29 05:27:32,838 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:27:32,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-29 05:27:32,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-10-29 05:27:32,839 INFO L87 Difference]: Start difference. First operand 251 states and 328 transitions. Second operand has 10 states, 10 states have (on average 6.2) internal successors, (62), 10 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:27:34,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:27:34,471 INFO L93 Difference]: Finished difference Result 763 states and 984 transitions. [2021-10-29 05:27:34,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-29 05:27:34,471 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 10 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-29 05:27:34,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:27:34,472 INFO L225 Difference]: With dead ends: 763 [2021-10-29 05:27:34,472 INFO L226 Difference]: Without dead ends: 0 [2021-10-29 05:27:34,473 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2021-10-29 05:27:34,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-29 05:27:34,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-29 05:27:34,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:27:34,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-29 05:27:34,474 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2021-10-29 05:27:34,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:27:34,474 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 05:27:34,475 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 10 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:27:34,475 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-29 05:27:34,475 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 05:27:34,477 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:27:34,478 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:27:34,478 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:27:34,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-10-29 05:27:34,691 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:27:34,693 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-29 05:27:34,696 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:27:34,727 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:27:34,732 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:27:34,734 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:27:34,814 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:27:34,823 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:27:34,824 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:27:34,826 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:27:34,827 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:27:35,240 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:27:35,241 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:27:35,374 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:27:35,375 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:27:35,528 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:27:35,529 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:27:35,529 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:27:35,561 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:27:35,562 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:27:35,563 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:27:35,570 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:27:35,571 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:27:35,571 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:27:35,572 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:27:35,572 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:27:35,590 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:27:35,590 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:27:35,596 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:27:35,597 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:27:35,598 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:27:35,599 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:27:35,599 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:27:35,600 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:27:35,605 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:27:35,606 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:27:35,619 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:27:36,081 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:27:36,092 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:27:36,093 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:27:36,105 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:27:36,449 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:27:36,450 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:27:36,451 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:27:36,451 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:27:36,795 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:27:36,796 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:27:36,797 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:27:36,941 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:27:36,942 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:27:36,942 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:27:36,943 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:27:36,943 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:27:36,944 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:27:37,017 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:27:37,018 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:27:37,018 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:27:41,259 INFO L853 garLoopResultBuilder]: At program point L729(lines 714 732) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:27:41,260 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 420) no Hoare annotation was computed. [2021-10-29 05:27:41,260 INFO L853 garLoopResultBuilder]: At program point L729-1(lines 714 732) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse2))) [2021-10-29 05:27:41,260 INFO L853 garLoopResultBuilder]: At program point L729-2(lines 714 732) the Hoare annotation is: false [2021-10-29 05:27:41,260 INFO L853 garLoopResultBuilder]: At program point L729-3(lines 714 732) the Hoare annotation is: false [2021-10-29 05:27:41,261 INFO L853 garLoopResultBuilder]: At program point L729-4(lines 714 732) the Hoare annotation is: false [2021-10-29 05:27:41,261 INFO L853 garLoopResultBuilder]: At program point L729-5(lines 714 732) the Hoare annotation is: false [2021-10-29 05:27:41,261 INFO L857 garLoopResultBuilder]: For program point L830(lines 830 834) no Hoare annotation was computed. [2021-10-29 05:27:41,261 INFO L857 garLoopResultBuilder]: For program point L764(lines 764 770) no Hoare annotation was computed. [2021-10-29 05:27:41,261 INFO L853 garLoopResultBuilder]: At program point L764-1(lines 764 770) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32))))) [2021-10-29 05:27:41,261 INFO L853 garLoopResultBuilder]: At program point L665(lines 658 668) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1))) [2021-10-29 05:27:41,262 INFO L853 garLoopResultBuilder]: At program point L665-1(lines 658 668) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:27:41,262 INFO L853 garLoopResultBuilder]: At program point L665-2(lines 658 668) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 .cse2) (and .cse0 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse2))) [2021-10-29 05:27:41,262 INFO L853 garLoopResultBuilder]: At program point L665-3(lines 658 668) the Hoare annotation is: false [2021-10-29 05:27:41,262 INFO L853 garLoopResultBuilder]: At program point L665-4(lines 658 668) the Hoare annotation is: false [2021-10-29 05:27:41,262 INFO L853 garLoopResultBuilder]: At program point L665-5(lines 658 668) the Hoare annotation is: false [2021-10-29 05:27:41,262 INFO L853 garLoopResultBuilder]: At program point L665-6(lines 658 668) the Hoare annotation is: false [2021-10-29 05:27:41,263 INFO L853 garLoopResultBuilder]: At program point L665-7(lines 658 668) the Hoare annotation is: false [2021-10-29 05:27:41,263 INFO L853 garLoopResultBuilder]: At program point L665-8(lines 658 668) the Hoare annotation is: false [2021-10-29 05:27:41,263 INFO L853 garLoopResultBuilder]: At program point L437-2(lines 437 451) the Hoare annotation is: false [2021-10-29 05:27:41,263 INFO L857 garLoopResultBuilder]: For program point L438(line 438) no Hoare annotation was computed. [2021-10-29 05:27:41,263 INFO L857 garLoopResultBuilder]: For program point L604(lines 604 621) no Hoare annotation was computed. [2021-10-29 05:27:41,263 INFO L857 garLoopResultBuilder]: For program point L604-1(lines 604 621) no Hoare annotation was computed. [2021-10-29 05:27:41,264 INFO L857 garLoopResultBuilder]: For program point L604-2(lines 604 621) no Hoare annotation was computed. [2021-10-29 05:27:41,264 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 420) no Hoare annotation was computed. [2021-10-29 05:27:41,264 INFO L853 garLoopResultBuilder]: At program point L935(lines 930 937) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:27:41,264 INFO L857 garLoopResultBuilder]: For program point L441(lines 441 445) no Hoare annotation was computed. [2021-10-29 05:27:41,264 INFO L857 garLoopResultBuilder]: For program point L441-1(lines 546 552) no Hoare annotation was computed. [2021-10-29 05:27:41,264 INFO L857 garLoopResultBuilder]: For program point L640(lines 640 646) no Hoare annotation was computed. [2021-10-29 05:27:41,265 INFO L857 garLoopResultBuilder]: For program point L640-2(lines 640 646) no Hoare annotation was computed. [2021-10-29 05:27:41,265 INFO L857 garLoopResultBuilder]: For program point L640-4(lines 640 646) no Hoare annotation was computed. [2021-10-29 05:27:41,265 INFO L857 garLoopResultBuilder]: For program point L640-6(lines 640 646) no Hoare annotation was computed. [2021-10-29 05:27:41,265 INFO L857 garLoopResultBuilder]: For program point L640-8(lines 640 646) no Hoare annotation was computed. [2021-10-29 05:27:41,265 INFO L857 garLoopResultBuilder]: For program point L640-10(lines 640 646) no Hoare annotation was computed. [2021-10-29 05:27:41,265 INFO L857 garLoopResultBuilder]: For program point L806(lines 806 810) no Hoare annotation was computed. [2021-10-29 05:27:41,265 INFO L857 garLoopResultBuilder]: For program point L806-3(lines 806 810) no Hoare annotation was computed. [2021-10-29 05:27:41,266 INFO L853 garLoopResultBuilder]: At program point L674(lines 669 677) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ~systemActive~0 (_ bv1 32)) (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:27:41,266 INFO L853 garLoopResultBuilder]: At program point L674-1(lines 669 677) the Hoare annotation is: false [2021-10-29 05:27:41,266 INFO L857 garLoopResultBuilder]: For program point L608(lines 608 616) no Hoare annotation was computed. [2021-10-29 05:27:41,266 INFO L857 garLoopResultBuilder]: For program point L806-6(lines 806 810) no Hoare annotation was computed. [2021-10-29 05:27:41,266 INFO L853 garLoopResultBuilder]: At program point L674-2(lines 669 677) the Hoare annotation is: false [2021-10-29 05:27:41,266 INFO L857 garLoopResultBuilder]: For program point L608-1(lines 608 616) no Hoare annotation was computed. [2021-10-29 05:27:41,267 INFO L857 garLoopResultBuilder]: For program point L608-2(lines 608 616) no Hoare annotation was computed. [2021-10-29 05:27:41,267 INFO L857 garLoopResultBuilder]: For program point L774(lines 774 785) no Hoare annotation was computed. [2021-10-29 05:27:41,267 INFO L857 garLoopResultBuilder]: For program point L578(lines 578 595) no Hoare annotation was computed. [2021-10-29 05:27:41,267 INFO L857 garLoopResultBuilder]: For program point L578-1(lines 578 595) no Hoare annotation was computed. [2021-10-29 05:27:41,267 INFO L857 garLoopResultBuilder]: For program point L578-2(lines 578 595) no Hoare annotation was computed. [2021-10-29 05:27:41,267 INFO L857 garLoopResultBuilder]: For program point L578-3(lines 578 595) no Hoare annotation was computed. [2021-10-29 05:27:41,267 INFO L857 garLoopResultBuilder]: For program point L578-4(lines 578 595) no Hoare annotation was computed. [2021-10-29 05:27:41,268 INFO L857 garLoopResultBuilder]: For program point L578-5(lines 578 595) no Hoare annotation was computed. [2021-10-29 05:27:41,268 INFO L853 garLoopResultBuilder]: At program point L843(lines 838 846) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1))) [2021-10-29 05:27:41,268 INFO L853 garLoopResultBuilder]: At program point L843-1(lines 838 846) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:27:41,268 INFO L853 garLoopResultBuilder]: At program point L843-2(lines 838 846) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 .cse2) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse2))) [2021-10-29 05:27:41,268 INFO L853 garLoopResultBuilder]: At program point L843-3(lines 838 846) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)))) [2021-10-29 05:27:41,269 INFO L853 garLoopResultBuilder]: At program point L843-4(lines 838 846) the Hoare annotation is: false [2021-10-29 05:27:41,269 INFO L853 garLoopResultBuilder]: At program point L843-5(lines 838 846) the Hoare annotation is: false [2021-10-29 05:27:41,269 INFO L853 garLoopResultBuilder]: At program point L843-6(lines 838 846) the Hoare annotation is: false [2021-10-29 05:27:41,269 INFO L853 garLoopResultBuilder]: At program point L843-7(lines 838 846) the Hoare annotation is: false [2021-10-29 05:27:41,269 INFO L853 garLoopResultBuilder]: At program point L843-8(lines 838 846) the Hoare annotation is: false [2021-10-29 05:27:41,269 INFO L853 garLoopResultBuilder]: At program point L546(lines 545 564) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32))))) [2021-10-29 05:27:41,270 INFO L853 garLoopResultBuilder]: At program point L843-9(lines 838 846) the Hoare annotation is: false [2021-10-29 05:27:41,270 INFO L857 garLoopResultBuilder]: For program point L546-1(lines 546 552) no Hoare annotation was computed. [2021-10-29 05:27:41,270 INFO L853 garLoopResultBuilder]: At program point L843-10(lines 838 846) the Hoare annotation is: false [2021-10-29 05:27:41,270 INFO L853 garLoopResultBuilder]: At program point L546-2(lines 545 564) the Hoare annotation is: false [2021-10-29 05:27:41,270 INFO L853 garLoopResultBuilder]: At program point L843-11(lines 838 846) the Hoare annotation is: false [2021-10-29 05:27:41,270 INFO L853 garLoopResultBuilder]: At program point L546-3(lines 545 564) the Hoare annotation is: false [2021-10-29 05:27:41,270 INFO L857 garLoopResultBuilder]: For program point L745(lines 744 789) no Hoare annotation was computed. [2021-10-29 05:27:41,271 INFO L857 garLoopResultBuilder]: For program point L746(lines 746 750) no Hoare annotation was computed. [2021-10-29 05:27:41,271 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-29 05:27:41,271 INFO L857 garLoopResultBuilder]: For program point L780(lines 780 784) no Hoare annotation was computed. [2021-10-29 05:27:41,271 INFO L857 garLoopResultBuilder]: For program point L780-2(lines 546 552) no Hoare annotation was computed. [2021-10-29 05:27:41,271 INFO L857 garLoopResultBuilder]: For program point L582(lines 582 590) no Hoare annotation was computed. [2021-10-29 05:27:41,271 INFO L857 garLoopResultBuilder]: For program point L582-1(lines 582 590) no Hoare annotation was computed. [2021-10-29 05:27:41,271 INFO L857 garLoopResultBuilder]: For program point L582-2(lines 582 590) no Hoare annotation was computed. [2021-10-29 05:27:41,272 INFO L857 garLoopResultBuilder]: For program point L582-3(lines 582 590) no Hoare annotation was computed. [2021-10-29 05:27:41,272 INFO L857 garLoopResultBuilder]: For program point L582-4(lines 582 590) no Hoare annotation was computed. [2021-10-29 05:27:41,272 INFO L857 garLoopResultBuilder]: For program point L582-5(lines 582 590) no Hoare annotation was computed. [2021-10-29 05:27:41,272 INFO L857 garLoopResultBuilder]: For program point L946(lines 946 963) no Hoare annotation was computed. [2021-10-29 05:27:41,272 INFO L853 garLoopResultBuilder]: At program point L946-1(lines 1 966) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9)) (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse3))) [2021-10-29 05:27:41,272 INFO L857 garLoopResultBuilder]: For program point L946-2(lines 946 963) no Hoare annotation was computed. [2021-10-29 05:27:41,273 INFO L853 garLoopResultBuilder]: At program point L946-3(lines 1 966) the Hoare annotation is: false [2021-10-29 05:27:41,273 INFO L857 garLoopResultBuilder]: For program point L946-4(lines 946 963) no Hoare annotation was computed. [2021-10-29 05:27:41,273 INFO L853 garLoopResultBuilder]: At program point L946-5(lines 1 966) the Hoare annotation is: false [2021-10-29 05:27:41,273 INFO L857 garLoopResultBuilder]: For program point L517(lines 517 524) no Hoare annotation was computed. [2021-10-29 05:27:41,273 INFO L860 garLoopResultBuilder]: At program point L517-1(lines 517 524) the Hoare annotation is: true [2021-10-29 05:27:41,273 INFO L857 garLoopResultBuilder]: For program point L420(line 420) no Hoare annotation was computed. [2021-10-29 05:27:41,273 INFO L857 garLoopResultBuilder]: For program point L420-1(line 420) no Hoare annotation was computed. [2021-10-29 05:27:41,274 INFO L857 garLoopResultBuilder]: For program point L420-2(line 420) no Hoare annotation was computed. [2021-10-29 05:27:41,274 INFO L853 garLoopResultBuilder]: At program point L916(lines 1 966) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:27:41,274 INFO L857 garLoopResultBuilder]: For program point L883(lines 883 889) no Hoare annotation was computed. [2021-10-29 05:27:41,274 INFO L857 garLoopResultBuilder]: For program point L883-1(lines 883 889) no Hoare annotation was computed. [2021-10-29 05:27:41,274 INFO L857 garLoopResultBuilder]: For program point L883-2(lines 883 889) no Hoare annotation was computed. [2021-10-29 05:27:41,274 INFO L857 garLoopResultBuilder]: For program point L883-3(lines 883 889) no Hoare annotation was computed. [2021-10-29 05:27:41,274 INFO L857 garLoopResultBuilder]: For program point L883-4(lines 883 889) no Hoare annotation was computed. [2021-10-29 05:27:41,275 INFO L857 garLoopResultBuilder]: For program point L883-5(lines 883 889) no Hoare annotation was computed. [2021-10-29 05:27:41,275 INFO L853 garLoopResultBuilder]: At program point L553(lines 553 559) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse3) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2))) [2021-10-29 05:27:41,275 INFO L853 garLoopResultBuilder]: At program point L553-1(lines 553 559) the Hoare annotation is: false [2021-10-29 05:27:41,275 INFO L853 garLoopResultBuilder]: At program point L553-2(lines 553 559) the Hoare annotation is: false [2021-10-29 05:27:41,275 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-29 05:27:41,275 INFO L857 garLoopResultBuilder]: For program point L950(lines 950 960) no Hoare annotation was computed. [2021-10-29 05:27:41,276 INFO L857 garLoopResultBuilder]: For program point L950-2(lines 950 960) no Hoare annotation was computed. [2021-10-29 05:27:41,276 INFO L857 garLoopResultBuilder]: For program point L818(lines 818 822) no Hoare annotation was computed. [2021-10-29 05:27:41,276 INFO L857 garLoopResultBuilder]: For program point L950-4(lines 950 960) no Hoare annotation was computed. [2021-10-29 05:27:41,276 INFO L853 garLoopResultBuilder]: At program point L488(lines 484 490) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:27:41,276 INFO L857 garLoopResultBuilder]: For program point L951(lines 951 957) no Hoare annotation was computed. [2021-10-29 05:27:41,276 INFO L857 garLoopResultBuilder]: For program point L951-2(lines 951 957) no Hoare annotation was computed. [2021-10-29 05:27:41,276 INFO L857 garLoopResultBuilder]: For program point L951-4(lines 951 957) no Hoare annotation was computed. [2021-10-29 05:27:41,277 INFO L857 garLoopResultBuilder]: For program point L754(lines 754 760) no Hoare annotation was computed. [2021-10-29 05:27:41,277 INFO L853 garLoopResultBuilder]: At program point L754-1(lines 754 760) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9)) (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse3))) [2021-10-29 05:27:41,277 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-29 05:27:41,277 INFO L853 garLoopResultBuilder]: At program point L888(lines 879 892) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:27:41,277 INFO L853 garLoopResultBuilder]: At program point L888-1(lines 879 892) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse2))) [2021-10-29 05:27:41,277 INFO L853 garLoopResultBuilder]: At program point L888-2(lines 879 892) the Hoare annotation is: false [2021-10-29 05:27:41,278 INFO L853 garLoopResultBuilder]: At program point L888-3(lines 879 892) the Hoare annotation is: false [2021-10-29 05:27:41,278 INFO L853 garLoopResultBuilder]: At program point L888-4(lines 879 892) the Hoare annotation is: false [2021-10-29 05:27:41,278 INFO L857 garLoopResultBuilder]: For program point L723(lines 723 727) no Hoare annotation was computed. [2021-10-29 05:27:41,278 INFO L853 garLoopResultBuilder]: At program point L888-5(lines 879 892) the Hoare annotation is: false [2021-10-29 05:27:41,278 INFO L857 garLoopResultBuilder]: For program point L723-2(lines 723 727) no Hoare annotation was computed. [2021-10-29 05:27:41,278 INFO L857 garLoopResultBuilder]: For program point L723-3(lines 723 727) no Hoare annotation was computed. [2021-10-29 05:27:41,278 INFO L857 garLoopResultBuilder]: For program point L723-5(lines 723 727) no Hoare annotation was computed. [2021-10-29 05:27:41,279 INFO L857 garLoopResultBuilder]: For program point L723-6(lines 723 727) no Hoare annotation was computed. [2021-10-29 05:27:41,279 INFO L857 garLoopResultBuilder]: For program point L723-8(lines 723 727) no Hoare annotation was computed. [2021-10-29 05:27:41,279 INFO L857 garLoopResultBuilder]: For program point L723-9(lines 723 727) no Hoare annotation was computed. [2021-10-29 05:27:41,279 INFO L857 garLoopResultBuilder]: For program point L723-11(lines 723 727) no Hoare annotation was computed. [2021-10-29 05:27:41,279 INFO L857 garLoopResultBuilder]: For program point L723-12(lines 723 727) no Hoare annotation was computed. [2021-10-29 05:27:41,279 INFO L857 garLoopResultBuilder]: For program point L723-14(lines 723 727) no Hoare annotation was computed. [2021-10-29 05:27:41,279 INFO L857 garLoopResultBuilder]: For program point L723-15(lines 723 727) no Hoare annotation was computed. [2021-10-29 05:27:41,280 INFO L857 garLoopResultBuilder]: For program point L723-17(lines 723 727) no Hoare annotation was computed. [2021-10-29 05:27:41,280 INFO L853 garLoopResultBuilder]: At program point L790(lines 743 791) the Hoare annotation is: false [2021-10-29 05:27:41,280 INFO L860 garLoopResultBuilder]: At program point L526(lines 507 529) the Hoare annotation is: true [2021-10-29 05:27:41,280 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-29 05:27:41,280 INFO L853 garLoopResultBuilder]: At program point L924(lines 919 927) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:27:41,280 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 420) no Hoare annotation was computed. [2021-10-29 05:27:41,284 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:27:41,285 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 05:27:41,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 05:27:41 BoogieIcfgContainer [2021-10-29 05:27:41,308 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 05:27:41,308 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 05:27:41,308 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 05:27:41,309 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 05:27:41,309 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:27:22" (3/4) ... [2021-10-29 05:27:41,312 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 05:27:41,332 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-29 05:27:41,333 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-29 05:27:41,335 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-29 05:27:41,336 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-29 05:27:41,337 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 05:27:41,338 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:27:41,340 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:27:41,364 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == tmp) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 05:27:41,365 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == tmp) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 05:27:41,366 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) [2021-10-29 05:27:41,367 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 05:27:41,368 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) [2021-10-29 05:27:41,368 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) [2021-10-29 05:27:41,369 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning [2021-10-29 05:27:41,371 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-10-29 05:27:41,372 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 05:27:41,372 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-10-29 05:27:41,373 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 05:27:41,374 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-10-29 05:27:41,374 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-10-29 05:27:41,430 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 05:27:41,430 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 05:27:41,432 INFO L168 Benchmark]: Toolchain (without parser) took 22175.99 ms. Allocated memory was 58.7 MB in the beginning and 157.3 MB in the end (delta: 98.6 MB). Free memory was 35.4 MB in the beginning and 60.8 MB in the end (delta: -25.5 MB). Peak memory consumption was 71.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:27:41,432 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 58.7 MB. Free memory was 38.6 MB in the beginning and 38.6 MB in the end (delta: 44.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:27:41,433 INFO L168 Benchmark]: CACSL2BoogieTranslator took 737.77 ms. Allocated memory is still 58.7 MB. Free memory was 35.1 MB in the beginning and 25.0 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:27:41,433 INFO L168 Benchmark]: Boogie Procedure Inliner took 125.71 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 25.0 MB in the beginning and 53.5 MB in the end (delta: -28.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:27:41,434 INFO L168 Benchmark]: Boogie Preprocessor took 99.87 ms. Allocated memory is still 73.4 MB. Free memory was 53.5 MB in the beginning and 50.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:27:41,434 INFO L168 Benchmark]: RCFGBuilder took 2517.62 ms. Allocated memory is still 73.4 MB. Free memory was 50.6 MB in the beginning and 38.1 MB in the end (delta: 12.5 MB). Peak memory consumption was 30.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:27:41,434 INFO L168 Benchmark]: TraceAbstraction took 18566.11 ms. Allocated memory was 73.4 MB in the beginning and 157.3 MB in the end (delta: 83.9 MB). Free memory was 37.6 MB in the beginning and 72.4 MB in the end (delta: -34.7 MB). Peak memory consumption was 82.7 MB. Max. memory is 16.1 GB. [2021-10-29 05:27:41,435 INFO L168 Benchmark]: Witness Printer took 122.47 ms. Allocated memory is still 157.3 MB. Free memory was 72.4 MB in the beginning and 60.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:27:41,437 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 58.7 MB. Free memory was 38.6 MB in the beginning and 38.6 MB in the end (delta: 44.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 737.77 ms. Allocated memory is still 58.7 MB. Free memory was 35.1 MB in the beginning and 25.0 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 125.71 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 25.0 MB in the beginning and 53.5 MB in the end (delta: -28.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 99.87 ms. Allocated memory is still 73.4 MB. Free memory was 53.5 MB in the beginning and 50.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2517.62 ms. Allocated memory is still 73.4 MB. Free memory was 50.6 MB in the beginning and 38.1 MB in the end (delta: 12.5 MB). Peak memory consumption was 30.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 18566.11 ms. Allocated memory was 73.4 MB in the beginning and 157.3 MB in the end (delta: 83.9 MB). Free memory was 37.6 MB in the beginning and 72.4 MB in the end (delta: -34.7 MB). Peak memory consumption was 82.7 MB. Max. memory is 16.1 GB. * Witness Printer took 122.47 ms. Allocated memory is still 157.3 MB. Free memory was 72.4 MB in the beginning and 60.8 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: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 420]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 420]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 420]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 133 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 18.4s, OverallIterations: 11, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1308 SDtfs, 1967 SDslu, 3195 SDs, 0 SdLazy, 430 SolverSat, 83 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 722 GetRequests, 657 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=251occurred in iteration=9, InterpolantAutomatonStates: 73, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 1253 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 55 PreInvPairs, 242 NumberOfFragments, 553 HoareAnnotationTreeSize, 55 FomulaSimplifications, 1654688 FormulaSimplificationTreeSizeReduction, 2.3s HoareSimplificationTime, 55 FomulaSimplificationsInter, 91971 FormulaSimplificationTreeSizeReductionInter, 4.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 349 NumberOfCodeBlocks, 349 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 676 ConstructedInterpolants, 0 QuantifiedInterpolants, 1162 SizeOfPredicates, 23 NumberOfNonLiveVariables, 2331 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 22 InterpolantComputations, 22 PerfectInterpolantSequences, 28/28 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 - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == tmp) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == tmp) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) || ((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 764]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) || ((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 484]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-29 05:27:41,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53920eb-91a6-4a53-8e72-29818d541219/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...