./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw --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 f18c518732faf536b365bed3360055c2f4eb753a861011ef1bbe74f5b721db8d ............................................................................................................................................ 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_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw --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 f18c518732faf536b365bed3360055c2f4eb753a861011ef1bbe74f5b721db8d .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-20 05:30:02,578 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-20 05:30:02,580 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-20 05:30:02,625 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-20 05:30:02,626 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-20 05:30:02,630 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-20 05:30:02,632 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-20 05:30:02,636 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-20 05:30:02,638 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-20 05:30:02,645 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-20 05:30:02,646 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-20 05:30:02,648 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-20 05:30:02,648 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-20 05:30:02,651 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-20 05:30:02,655 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-20 05:30:02,660 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-20 05:30:02,661 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-20 05:30:02,663 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-20 05:30:02,664 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-20 05:30:02,667 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-20 05:30:02,669 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-20 05:30:02,671 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-20 05:30:02,673 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-20 05:30:02,675 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-20 05:30:02,678 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-20 05:30:02,685 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-20 05:30:02,685 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-20 05:30:02,686 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-20 05:30:02,688 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-20 05:30:02,689 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-20 05:30:02,691 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-20 05:30:02,692 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-20 05:30:02,693 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-20 05:30:02,694 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-20 05:30:02,696 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-20 05:30:02,697 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-20 05:30:02,698 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-20 05:30:02,698 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-20 05:30:02,698 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-20 05:30:02,699 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-20 05:30:02,700 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-20 05:30:02,700 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-20 05:30:02,737 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-20 05:30:02,737 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-20 05:30:02,738 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-20 05:30:02,738 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-20 05:30:02,739 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-20 05:30:02,739 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-20 05:30:02,739 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-20 05:30:02,739 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-20 05:30:02,740 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-20 05:30:02,740 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-20 05:30:02,740 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-20 05:30:02,740 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-20 05:30:02,741 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-20 05:30:02,741 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-20 05:30:02,741 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-20 05:30:02,742 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-20 05:30:02,742 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-20 05:30:02,742 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-20 05:30:02,742 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-20 05:30:02,743 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-20 05:30:02,743 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-20 05:30:02,743 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-20 05:30:02,743 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-20 05:30:02,744 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-20 05:30:02,744 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-20 05:30:02,744 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-20 05:30:02,744 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-20 05:30:02,744 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-20 05:30:02,745 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-20 05:30:02,745 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-20 05:30:02,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 05:30:02,746 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-20 05:30:02,746 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-20 05:30:02,746 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-20 05:30:02,746 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-20 05:30:02,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-20 05:30:02,747 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-20 05:30:02,747 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-20 05:30:02,747 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-20 05:30:02,747 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_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f18c518732faf536b365bed3360055c2f4eb753a861011ef1bbe74f5b721db8d [2021-10-20 05:30:02,975 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-20 05:30:03,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-20 05:30:03,020 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-20 05:30:03,022 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-20 05:30:03,022 INFO L275 PluginConnector]: CDTParser initialized [2021-10-20 05:30:03,023 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/../../sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c [2021-10-20 05:30:03,108 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/data/908a7d0ba/264606cf333e4893b86882083b4ff22f/FLAG52560164d [2021-10-20 05:30:03,701 INFO L306 CDTParser]: Found 1 translation units. [2021-10-20 05:30:03,702 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c [2021-10-20 05:30:03,715 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/data/908a7d0ba/264606cf333e4893b86882083b4ff22f/FLAG52560164d [2021-10-20 05:30:03,993 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/data/908a7d0ba/264606cf333e4893b86882083b4ff22f [2021-10-20 05:30:03,996 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-20 05:30:03,997 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-20 05:30:04,009 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-20 05:30:04,010 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-20 05:30:04,013 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-20 05:30:04,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:30:03" (1/1) ... [2021-10-20 05:30:04,016 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@434caafd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:30:04, skipping insertion in model container [2021-10-20 05:30:04,017 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:30:03" (1/1) ... [2021-10-20 05:30:04,025 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-20 05:30:04,070 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 05:30:04,490 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_df28a310-bf38-438f-b94e-5bb1f6c4e996/sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c[18005,18018] [2021-10-20 05:30:04,494 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 05:30:04,510 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) [2021-10-20 05:30:04,511 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@489f3e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:30:04, skipping insertion in model container [2021-10-20 05:30:04,511 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-20 05:30:04,511 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-20 05:30:04,514 INFO L168 Benchmark]: Toolchain (without parser) took 515.19 ms. Allocated memory is still 107.0 MB. Free memory was 74.3 MB in the beginning and 80.6 MB in the end (delta: -6.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-20 05:30:04,515 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 81.8 MB. Free memory was 37.2 MB in the beginning and 37.2 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 05:30:04,517 INFO L168 Benchmark]: CACSL2BoogieTranslator took 501.99 ms. Allocated memory is still 107.0 MB. Free memory was 74.0 MB in the beginning and 80.6 MB in the end (delta: -6.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-20 05:30:04,519 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 81.8 MB. Free memory was 37.2 MB in the beginning and 37.2 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 501.99 ms. Allocated memory is still 107.0 MB. Free memory was 74.0 MB in the beginning and 80.6 MB in the end (delta: -6.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 179]: 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-e943c26 [2021-10-20 05:30:06,853 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-20 05:30:06,855 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-20 05:30:06,904 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-20 05:30:06,904 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-20 05:30:06,909 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-20 05:30:06,911 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-20 05:30:06,916 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-20 05:30:06,919 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-20 05:30:06,926 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-20 05:30:06,928 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-20 05:30:06,930 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-20 05:30:06,930 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-20 05:30:06,933 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-20 05:30:06,936 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-20 05:30:06,940 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-20 05:30:06,942 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-20 05:30:06,943 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-20 05:30:06,945 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-20 05:30:06,952 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-20 05:30:06,954 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-20 05:30:06,960 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-20 05:30:06,962 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-20 05:30:06,965 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-20 05:30:06,970 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-20 05:30:06,970 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-20 05:30:06,971 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-20 05:30:06,973 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-20 05:30:06,974 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-20 05:30:06,975 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-20 05:30:06,976 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-20 05:30:06,977 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-20 05:30:06,979 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-20 05:30:06,980 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-20 05:30:06,982 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-20 05:30:06,982 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-20 05:30:06,983 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-20 05:30:06,983 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-20 05:30:06,983 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-20 05:30:06,985 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-20 05:30:06,986 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-20 05:30:06,987 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-20 05:30:07,036 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-20 05:30:07,037 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-20 05:30:07,038 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-20 05:30:07,039 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-20 05:30:07,039 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-20 05:30:07,039 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-20 05:30:07,039 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-20 05:30:07,039 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-20 05:30:07,040 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-20 05:30:07,041 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-20 05:30:07,042 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-20 05:30:07,042 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-20 05:30:07,043 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-20 05:30:07,043 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-20 05:30:07,043 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-20 05:30:07,043 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-20 05:30:07,044 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-20 05:30:07,044 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-20 05:30:07,044 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-20 05:30:07,044 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-20 05:30:07,044 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-20 05:30:07,045 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-20 05:30:07,045 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-20 05:30:07,045 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-20 05:30:07,045 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-20 05:30:07,046 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-20 05:30:07,046 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 05:30:07,046 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-20 05:30:07,046 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-20 05:30:07,046 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-20 05:30:07,047 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-20 05:30:07,047 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-20 05:30:07,047 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-20 05:30:07,047 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-20 05:30:07,048 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-20 05:30:07,048 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_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f18c518732faf536b365bed3360055c2f4eb753a861011ef1bbe74f5b721db8d [2021-10-20 05:30:07,476 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-20 05:30:07,500 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-20 05:30:07,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-20 05:30:07,506 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-20 05:30:07,507 INFO L275 PluginConnector]: CDTParser initialized [2021-10-20 05:30:07,508 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/../../sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c [2021-10-20 05:30:07,606 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/data/195193e79/96321420f765483cbde682aeb23de895/FLAG80c94089c [2021-10-20 05:30:08,294 INFO L306 CDTParser]: Found 1 translation units. [2021-10-20 05:30:08,295 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c [2021-10-20 05:30:08,311 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/data/195193e79/96321420f765483cbde682aeb23de895/FLAG80c94089c [2021-10-20 05:30:08,569 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/data/195193e79/96321420f765483cbde682aeb23de895 [2021-10-20 05:30:08,572 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-20 05:30:08,575 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-20 05:30:08,579 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-20 05:30:08,580 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-20 05:30:08,583 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-20 05:30:08,584 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:30:08" (1/1) ... [2021-10-20 05:30:08,587 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b37405b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:30:08, skipping insertion in model container [2021-10-20 05:30:08,587 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:30:08" (1/1) ... [2021-10-20 05:30:08,595 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-20 05:30:08,658 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 05:30:08,986 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_df28a310-bf38-438f-b94e-5bb1f6c4e996/sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c[18005,18018] [2021-10-20 05:30:09,002 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 05:30:09,029 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-20 05:30:09,036 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 05:30:09,128 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_df28a310-bf38-438f-b94e-5bb1f6c4e996/sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c[18005,18018] [2021-10-20 05:30:09,130 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 05:30:09,146 INFO L203 MainTranslator]: Completed pre-run [2021-10-20 05:30:09,244 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_df28a310-bf38-438f-b94e-5bb1f6c4e996/sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c[18005,18018] [2021-10-20 05:30:09,246 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 05:30:09,272 INFO L208 MainTranslator]: Completed translation [2021-10-20 05:30:09,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:30:09 WrapperNode [2021-10-20 05:30:09,273 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-20 05:30:09,274 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-20 05:30:09,278 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-20 05:30:09,278 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-20 05:30:09,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:30:09" (1/1) ... [2021-10-20 05:30:09,325 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:30:09" (1/1) ... [2021-10-20 05:30:09,364 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-20 05:30:09,365 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-20 05:30:09,365 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-20 05:30:09,365 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-20 05:30:09,389 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:30:09" (1/1) ... [2021-10-20 05:30:09,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:30:09" (1/1) ... [2021-10-20 05:30:09,395 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:30:09" (1/1) ... [2021-10-20 05:30:09,395 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:30:09" (1/1) ... [2021-10-20 05:30:09,409 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:30:09" (1/1) ... [2021-10-20 05:30:09,417 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:30:09" (1/1) ... [2021-10-20 05:30:09,421 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:30:09" (1/1) ... [2021-10-20 05:30:09,426 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-20 05:30:09,427 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-20 05:30:09,428 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-20 05:30:09,428 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-20 05:30:09,429 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:30:09" (1/1) ... [2021-10-20 05:30:09,437 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 05:30:09,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/z3 [2021-10-20 05:30:09,467 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-20 05:30:09,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-20 05:30:09,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-20 05:30:09,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-20 05:30:09,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-20 05:30:09,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-20 05:30:11,942 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-20 05:30:11,942 INFO L299 CfgBuilder]: Removed 134 assume(true) statements. [2021-10-20 05:30:11,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:30:11 BoogieIcfgContainer [2021-10-20 05:30:11,945 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-20 05:30:11,947 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-20 05:30:11,947 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-20 05:30:11,950 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-20 05:30:11,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 05:30:08" (1/3) ... [2021-10-20 05:30:11,951 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bf87c4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 05:30:11, skipping insertion in model container [2021-10-20 05:30:11,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:30:09" (2/3) ... [2021-10-20 05:30:11,952 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bf87c4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 05:30:11, skipping insertion in model container [2021-10-20 05:30:11,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:30:11" (3/3) ... [2021-10-20 05:30:11,953 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product44.cil.c [2021-10-20 05:30:11,959 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-20 05:30:11,959 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-20 05:30:12,022 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-20 05:30:12,028 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 [2021-10-20 05:30:12,029 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-20 05:30:12,048 INFO L276 IsEmpty]: Start isEmpty. Operand has 98 states, 94 states have (on average 1.5319148936170213) internal successors, (144), 97 states have internal predecessors, (144), 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) [2021-10-20 05:30:12,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-20 05:30:12,058 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:30:12,059 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 05:30:12,059 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:30:12,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:30:12,065 INFO L82 PathProgramCache]: Analyzing trace with hash -1014623904, now seen corresponding path program 1 times [2021-10-20 05:30:12,079 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:30:12,079 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [887288773] [2021-10-20 05:30:12,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:30:12,081 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:30:12,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:30:12,084 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:30:12,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-20 05:30:12,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:30:12,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-20 05:30:12,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:30:12,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:30:12,403 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:30:12,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:30:12,489 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 05:30:12,490 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [887288773] [2021-10-20 05:30:12,491 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [887288773] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 05:30:12,491 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 05:30:12,492 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-20 05:30:12,494 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647750544] [2021-10-20 05:30:12,500 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-20 05:30:12,501 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 05:30:12,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-20 05:30:12,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-20 05:30:12,522 INFO L87 Difference]: Start difference. First operand has 98 states, 94 states have (on average 1.5319148936170213) internal successors, (144), 97 states have internal predecessors, (144), 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 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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) [2021-10-20 05:30:12,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:30:12,573 INFO L93 Difference]: Finished difference Result 189 states and 280 transitions. [2021-10-20 05:30:12,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-20 05:30:12,574 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 [2021-10-20 05:30:12,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:30:12,587 INFO L225 Difference]: With dead ends: 189 [2021-10-20 05:30:12,587 INFO L226 Difference]: Without dead ends: 94 [2021-10-20 05:30:12,592 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-20 05:30:12,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2021-10-20 05:30:12,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2021-10-20 05:30:12,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 91 states have (on average 1.4505494505494505) internal successors, (132), 93 states have internal predecessors, (132), 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) [2021-10-20 05:30:12,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 132 transitions. [2021-10-20 05:30:12,655 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 132 transitions. Word has length 19 [2021-10-20 05:30:12,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:30:12,655 INFO L470 AbstractCegarLoop]: Abstraction has 94 states and 132 transitions. [2021-10-20 05:30:12,656 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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) [2021-10-20 05:30:12,656 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 132 transitions. [2021-10-20 05:30:12,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-20 05:30:12,658 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:30:12,658 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 05:30:12,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-20 05:30:12,871 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 05:30:12,872 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:30:12,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:30:12,874 INFO L82 PathProgramCache]: Analyzing trace with hash 2129327965, now seen corresponding path program 1 times [2021-10-20 05:30:12,876 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:30:12,876 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1226416368] [2021-10-20 05:30:12,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:30:12,878 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:30:12,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:30:12,879 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:30:12,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-20 05:30:13,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:30:13,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-20 05:30:13,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:30:13,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:30:13,200 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:30:13,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:30:13,277 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 05:30:13,278 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1226416368] [2021-10-20 05:30:13,278 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1226416368] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 05:30:13,278 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 05:30:13,278 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-20 05:30:13,278 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146862472] [2021-10-20 05:30:13,281 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-20 05:30:13,281 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 05:30:13,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-20 05:30:13,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-20 05:30:13,286 INFO L87 Difference]: Start difference. First operand 94 states and 132 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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) [2021-10-20 05:30:13,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:30:13,311 INFO L93 Difference]: Finished difference Result 94 states and 132 transitions. [2021-10-20 05:30:13,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-20 05:30:13,312 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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 20 [2021-10-20 05:30:13,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:30:13,314 INFO L225 Difference]: With dead ends: 94 [2021-10-20 05:30:13,314 INFO L226 Difference]: Without dead ends: 43 [2021-10-20 05:30:13,315 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.5ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-20 05:30:13,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-10-20 05:30:13,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2021-10-20 05:30:13,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 42 states have (on average 1.4285714285714286) internal successors, (60), 42 states have internal predecessors, (60), 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) [2021-10-20 05:30:13,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2021-10-20 05:30:13,330 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 20 [2021-10-20 05:30:13,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:30:13,331 INFO L470 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2021-10-20 05:30:13,332 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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) [2021-10-20 05:30:13,332 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2021-10-20 05:30:13,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-20 05:30:13,333 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:30:13,339 INFO L512 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] [2021-10-20 05:30:13,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-20 05:30:13,539 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 05:30:13,540 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:30:13,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:30:13,541 INFO L82 PathProgramCache]: Analyzing trace with hash -1463825694, now seen corresponding path program 1 times [2021-10-20 05:30:13,542 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:30:13,542 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [584846031] [2021-10-20 05:30:13,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:30:13,543 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:30:13,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:30:13,544 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:30:13,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-20 05:30:13,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:30:13,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-20 05:30:13,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:30:13,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:30:13,840 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:30:13,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:30:13,904 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 05:30:13,904 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [584846031] [2021-10-20 05:30:13,904 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [584846031] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 05:30:13,905 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 05:30:13,905 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-20 05:30:13,905 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650749237] [2021-10-20 05:30:13,905 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-20 05:30:13,906 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 05:30:13,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-20 05:30:13,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-20 05:30:13,909 INFO L87 Difference]: Start difference. First operand 43 states and 60 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 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) [2021-10-20 05:30:13,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:30:13,984 INFO L93 Difference]: Finished difference Result 141 states and 204 transitions. [2021-10-20 05:30:13,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-20 05:30:13,985 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 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 [2021-10-20 05:30:13,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:30:13,989 INFO L225 Difference]: With dead ends: 141 [2021-10-20 05:30:13,989 INFO L226 Difference]: Without dead ends: 105 [2021-10-20 05:30:13,990 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-20 05:30:13,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2021-10-20 05:30:14,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 65. [2021-10-20 05:30:14,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 64 states have (on average 1.453125) internal successors, (93), 64 states have internal predecessors, (93), 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) [2021-10-20 05:30:14,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 93 transitions. [2021-10-20 05:30:14,011 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 93 transitions. Word has length 26 [2021-10-20 05:30:14,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:30:14,011 INFO L470 AbstractCegarLoop]: Abstraction has 65 states and 93 transitions. [2021-10-20 05:30:14,012 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 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) [2021-10-20 05:30:14,012 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2021-10-20 05:30:14,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-20 05:30:14,015 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:30:14,015 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 05:30:14,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-20 05:30:14,228 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 05:30:14,232 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:30:14,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:30:14,232 INFO L82 PathProgramCache]: Analyzing trace with hash 419511483, now seen corresponding path program 1 times [2021-10-20 05:30:14,233 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:30:14,233 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [191232477] [2021-10-20 05:30:14,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:30:14,233 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:30:14,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:30:14,235 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:30:14,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-20 05:30:14,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:30:14,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-20 05:30:14,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:30:14,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:30:14,558 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:30:14,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:30:14,624 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 05:30:14,625 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [191232477] [2021-10-20 05:30:14,625 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [191232477] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 05:30:14,625 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 05:30:14,625 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-20 05:30:14,625 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868375821] [2021-10-20 05:30:14,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-20 05:30:14,626 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 05:30:14,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-20 05:30:14,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-20 05:30:14,627 INFO L87 Difference]: Start difference. First operand 65 states and 93 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2021-10-20 05:30:14,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:30:14,680 INFO L93 Difference]: Finished difference Result 147 states and 213 transitions. [2021-10-20 05:30:14,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-20 05:30:14,680 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 27 [2021-10-20 05:30:14,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:30:14,681 INFO L225 Difference]: With dead ends: 147 [2021-10-20 05:30:14,682 INFO L226 Difference]: Without dead ends: 89 [2021-10-20 05:30:14,682 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-20 05:30:14,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2021-10-20 05:30:14,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2021-10-20 05:30:14,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 86 states have (on average 1.4186046511627908) internal successors, (122), 86 states have internal predecessors, (122), 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) [2021-10-20 05:30:14,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 122 transitions. [2021-10-20 05:30:14,693 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 122 transitions. Word has length 27 [2021-10-20 05:30:14,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:30:14,693 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 122 transitions. [2021-10-20 05:30:14,693 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2021-10-20 05:30:14,693 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 122 transitions. [2021-10-20 05:30:14,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-20 05:30:14,695 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:30:14,695 INFO L512 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] [2021-10-20 05:30:14,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-20 05:30:14,907 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 05:30:14,908 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:30:14,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:30:14,908 INFO L82 PathProgramCache]: Analyzing trace with hash -894632213, now seen corresponding path program 1 times [2021-10-20 05:30:14,909 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:30:14,909 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1029080342] [2021-10-20 05:30:14,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:30:14,909 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:30:14,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:30:14,910 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:30:14,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-20 05:30:15,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:30:15,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-20 05:30:15,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:30:15,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:30:15,247 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:30:15,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:30:15,325 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 05:30:15,326 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1029080342] [2021-10-20 05:30:15,326 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1029080342] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 05:30:15,326 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 05:30:15,326 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-20 05:30:15,327 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228895901] [2021-10-20 05:30:15,327 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-20 05:30:15,327 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 05:30:15,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-20 05:30:15,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-20 05:30:15,328 INFO L87 Difference]: Start difference. First operand 87 states and 122 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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) [2021-10-20 05:30:15,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:30:15,509 INFO L93 Difference]: Finished difference Result 288 states and 406 transitions. [2021-10-20 05:30:15,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-20 05:30:15,509 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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 29 [2021-10-20 05:30:15,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:30:15,511 INFO L225 Difference]: With dead ends: 288 [2021-10-20 05:30:15,511 INFO L226 Difference]: Without dead ends: 208 [2021-10-20 05:30:15,512 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 52.9ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-20 05:30:15,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2021-10-20 05:30:15,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 85. [2021-10-20 05:30:15,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 84 states have (on average 1.380952380952381) internal successors, (116), 84 states have internal predecessors, (116), 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) [2021-10-20 05:30:15,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 116 transitions. [2021-10-20 05:30:15,526 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 116 transitions. Word has length 29 [2021-10-20 05:30:15,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:30:15,527 INFO L470 AbstractCegarLoop]: Abstraction has 85 states and 116 transitions. [2021-10-20 05:30:15,527 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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) [2021-10-20 05:30:15,527 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 116 transitions. [2021-10-20 05:30:15,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-20 05:30:15,529 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:30:15,529 INFO L512 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] [2021-10-20 05:30:15,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-20 05:30:15,744 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 05:30:15,744 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:30:15,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:30:15,745 INFO L82 PathProgramCache]: Analyzing trace with hash -855336384, now seen corresponding path program 1 times [2021-10-20 05:30:15,746 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:30:15,746 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [791406166] [2021-10-20 05:30:15,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:30:15,746 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:30:15,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:30:15,747 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:30:15,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-20 05:30:15,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:30:15,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-20 05:30:15,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:30:16,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:30:16,114 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:30:16,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:30:16,206 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 05:30:16,206 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [791406166] [2021-10-20 05:30:16,206 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [791406166] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 05:30:16,206 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 05:30:16,206 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-20 05:30:16,207 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279027588] [2021-10-20 05:30:16,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-20 05:30:16,210 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 05:30:16,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-20 05:30:16,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-20 05:30:16,211 INFO L87 Difference]: Start difference. First operand 85 states and 116 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) [2021-10-20 05:30:16,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:30:16,275 INFO L93 Difference]: Finished difference Result 251 states and 344 transitions. [2021-10-20 05:30:16,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-20 05:30:16,275 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 [2021-10-20 05:30:16,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:30:16,277 INFO L225 Difference]: With dead ends: 251 [2021-10-20 05:30:16,277 INFO L226 Difference]: Without dead ends: 173 [2021-10-20 05:30:16,279 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 31.6ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-20 05:30:16,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2021-10-20 05:30:16,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 88. [2021-10-20 05:30:16,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 87 states have (on average 1.367816091954023) internal successors, (119), 87 states have internal predecessors, (119), 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) [2021-10-20 05:30:16,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 119 transitions. [2021-10-20 05:30:16,300 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 119 transitions. Word has length 36 [2021-10-20 05:30:16,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:30:16,302 INFO L470 AbstractCegarLoop]: Abstraction has 88 states and 119 transitions. [2021-10-20 05:30:16,302 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) [2021-10-20 05:30:16,303 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 119 transitions. [2021-10-20 05:30:16,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-20 05:30:16,309 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:30:16,309 INFO L512 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] [2021-10-20 05:30:16,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-20 05:30:16,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 05:30:16,510 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:30:16,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:30:16,510 INFO L82 PathProgramCache]: Analyzing trace with hash -1866453634, now seen corresponding path program 1 times [2021-10-20 05:30:16,511 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:30:16,511 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1775062267] [2021-10-20 05:30:16,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:30:16,511 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:30:16,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:30:16,520 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:30:16,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-20 05:30:16,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:30:16,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-20 05:30:16,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:30:16,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:30:16,866 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:30:16,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:30:16,959 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 05:30:16,959 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1775062267] [2021-10-20 05:30:16,959 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1775062267] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 05:30:16,960 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 05:30:16,960 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-20 05:30:16,960 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422741037] [2021-10-20 05:30:16,960 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-20 05:30:16,961 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 05:30:16,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-20 05:30:16,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-20 05:30:16,962 INFO L87 Difference]: Start difference. First operand 88 states and 119 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 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) [2021-10-20 05:30:17,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:30:17,008 INFO L93 Difference]: Finished difference Result 260 states and 353 transitions. [2021-10-20 05:30:17,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-20 05:30:17,009 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 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 [2021-10-20 05:30:17,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:30:17,011 INFO L225 Difference]: With dead ends: 260 [2021-10-20 05:30:17,011 INFO L226 Difference]: Without dead ends: 179 [2021-10-20 05:30:17,012 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 26.7ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-20 05:30:17,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2021-10-20 05:30:17,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 90. [2021-10-20 05:30:17,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 89 states have (on average 1.3595505617977528) internal successors, (121), 89 states have internal predecessors, (121), 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) [2021-10-20 05:30:17,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 121 transitions. [2021-10-20 05:30:17,031 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 121 transitions. Word has length 36 [2021-10-20 05:30:17,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:30:17,031 INFO L470 AbstractCegarLoop]: Abstraction has 90 states and 121 transitions. [2021-10-20 05:30:17,031 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 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) [2021-10-20 05:30:17,032 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 121 transitions. [2021-10-20 05:30:17,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-20 05:30:17,033 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:30:17,033 INFO L512 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] [2021-10-20 05:30:17,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-20 05:30:17,245 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 05:30:17,245 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:30:17,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:30:17,246 INFO L82 PathProgramCache]: Analyzing trace with hash 1407445308, now seen corresponding path program 1 times [2021-10-20 05:30:17,246 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:30:17,246 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1803917364] [2021-10-20 05:30:17,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:30:17,247 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:30:17,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:30:17,248 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:30:17,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-20 05:30:17,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:30:17,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-20 05:30:17,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:30:17,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:30:17,613 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:30:17,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:30:17,757 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 05:30:17,757 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1803917364] [2021-10-20 05:30:17,758 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1803917364] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 05:30:17,758 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 05:30:17,758 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-20 05:30:17,758 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567565469] [2021-10-20 05:30:17,758 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-20 05:30:17,759 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 05:30:17,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-20 05:30:17,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-20 05:30:17,759 INFO L87 Difference]: Start difference. First operand 90 states and 121 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) [2021-10-20 05:30:17,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:30:17,820 INFO L93 Difference]: Finished difference Result 295 states and 401 transitions. [2021-10-20 05:30:17,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-20 05:30:17,821 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 [2021-10-20 05:30:17,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:30:17,823 INFO L225 Difference]: With dead ends: 295 [2021-10-20 05:30:17,823 INFO L226 Difference]: Without dead ends: 212 [2021-10-20 05:30:17,825 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-20 05:30:17,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-10-20 05:30:17,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 161. [2021-10-20 05:30:17,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 160 states have (on average 1.35625) internal successors, (217), 160 states have internal predecessors, (217), 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) [2021-10-20 05:30:17,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 217 transitions. [2021-10-20 05:30:17,863 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 217 transitions. Word has length 36 [2021-10-20 05:30:17,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:30:17,863 INFO L470 AbstractCegarLoop]: Abstraction has 161 states and 217 transitions. [2021-10-20 05:30:17,863 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) [2021-10-20 05:30:17,864 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 217 transitions. [2021-10-20 05:30:17,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-20 05:30:17,867 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:30:17,868 INFO L512 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] [2021-10-20 05:30:17,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-20 05:30:18,081 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 05:30:18,081 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:30:18,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:30:18,082 INFO L82 PathProgramCache]: Analyzing trace with hash -67033476, now seen corresponding path program 1 times [2021-10-20 05:30:18,082 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:30:18,083 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2002705867] [2021-10-20 05:30:18,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:30:18,083 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:30:18,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:30:18,084 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:30:18,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-20 05:30:18,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:30:18,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-20 05:30:18,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:30:18,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:30:18,551 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:30:18,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:30:18,685 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 05:30:18,685 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2002705867] [2021-10-20 05:30:18,685 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2002705867] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 05:30:18,685 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 05:30:18,686 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-20 05:30:18,686 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411739404] [2021-10-20 05:30:18,686 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-20 05:30:18,686 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 05:30:18,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-20 05:30:18,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-20 05:30:18,687 INFO L87 Difference]: Start difference. First operand 161 states and 217 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 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) [2021-10-20 05:30:20,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:30:20,207 INFO L93 Difference]: Finished difference Result 806 states and 1099 transitions. [2021-10-20 05:30:20,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-20 05:30:20,208 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 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 [2021-10-20 05:30:20,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:30:20,212 INFO L225 Difference]: With dead ends: 806 [2021-10-20 05:30:20,212 INFO L226 Difference]: Without dead ends: 652 [2021-10-20 05:30:20,213 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 66.5ms TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2021-10-20 05:30:20,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 652 states. [2021-10-20 05:30:20,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 652 to 304. [2021-10-20 05:30:20,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 303 states have (on average 1.3366336633663367) internal successors, (405), 303 states have internal predecessors, (405), 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) [2021-10-20 05:30:20,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 405 transitions. [2021-10-20 05:30:20,260 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 405 transitions. Word has length 37 [2021-10-20 05:30:20,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:30:20,260 INFO L470 AbstractCegarLoop]: Abstraction has 304 states and 405 transitions. [2021-10-20 05:30:20,260 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 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) [2021-10-20 05:30:20,261 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 405 transitions. [2021-10-20 05:30:20,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-20 05:30:20,261 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:30:20,262 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 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] [2021-10-20 05:30:20,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-20 05:30:20,477 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 05:30:20,478 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:30:20,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:30:20,478 INFO L82 PathProgramCache]: Analyzing trace with hash 350167364, now seen corresponding path program 1 times [2021-10-20 05:30:20,479 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:30:20,479 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [813455365] [2021-10-20 05:30:20,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:30:20,479 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:30:20,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:30:20,480 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:30:20,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-20 05:30:20,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:30:20,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-20 05:30:20,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:30:20,948 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:30:20,948 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:30:21,127 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:30:21,127 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 05:30:21,127 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [813455365] [2021-10-20 05:30:21,127 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [813455365] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-20 05:30:21,127 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1709270539] [2021-10-20 05:30:21,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:30:21,128 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-20 05:30:21,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/cvc4 [2021-10-20 05:30:21,131 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-20 05:30:21,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2021-10-20 05:30:21,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:30:21,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-20 05:30:21,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:30:21,700 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:30:21,700 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:30:21,845 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:30:21,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1709270539] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-20 05:30:21,846 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1474247618] [2021-10-20 05:30:21,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:30:21,846 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-20 05:30:21,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/z3 [2021-10-20 05:30:21,848 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-20 05:30:21,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-10-20 05:30:22,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:30:22,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-20 05:30:22,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:30:22,354 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:30:22,354 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:30:22,484 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:30:22,484 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1474247618] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-20 05:30:22,484 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-20 05:30:22,485 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 6, 5, 5, 5] total 9 [2021-10-20 05:30:22,485 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433879863] [2021-10-20 05:30:22,485 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-20 05:30:22,486 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 05:30:22,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-20 05:30:22,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-20 05:30:22,487 INFO L87 Difference]: Start difference. First operand 304 states and 405 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 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) [2021-10-20 05:30:26,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:30:26,822 INFO L93 Difference]: Finished difference Result 674 states and 905 transitions. [2021-10-20 05:30:26,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-20 05:30:26,822 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 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 54 [2021-10-20 05:30:26,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:30:26,825 INFO L225 Difference]: With dead ends: 674 [2021-10-20 05:30:26,825 INFO L226 Difference]: Without dead ends: 377 [2021-10-20 05:30:26,826 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 315 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 162.3ms TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2021-10-20 05:30:26,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2021-10-20 05:30:26,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 310. [2021-10-20 05:30:26,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 309 states have (on average 1.2944983818770226) internal successors, (400), 309 states have internal predecessors, (400), 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) [2021-10-20 05:30:26,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 400 transitions. [2021-10-20 05:30:26,894 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 400 transitions. Word has length 54 [2021-10-20 05:30:26,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:30:26,894 INFO L470 AbstractCegarLoop]: Abstraction has 310 states and 400 transitions. [2021-10-20 05:30:26,895 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 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) [2021-10-20 05:30:26,895 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 400 transitions. [2021-10-20 05:30:26,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-10-20 05:30:26,897 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:30:26,897 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 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] [2021-10-20 05:30:26,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2021-10-20 05:30:27,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-10-20 05:30:27,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (11)] Ended with exit code 0 [2021-10-20 05:30:27,500 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 05:30:27,501 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:30:27,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:30:27,501 INFO L82 PathProgramCache]: Analyzing trace with hash -798318202, now seen corresponding path program 1 times [2021-10-20 05:30:27,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:30:27,502 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [429508280] [2021-10-20 05:30:27,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:30:27,502 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:30:27,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:30:27,504 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:30:27,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-10-20 05:30:27,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:30:27,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-20 05:30:27,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:30:28,209 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 74 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-10-20 05:30:28,209 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:30:28,585 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 74 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-10-20 05:30:28,585 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 05:30:28,585 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [429508280] [2021-10-20 05:30:28,585 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [429508280] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-20 05:30:28,586 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [509199751] [2021-10-20 05:30:28,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:30:28,586 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-20 05:30:28,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/cvc4 [2021-10-20 05:30:28,591 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-20 05:30:28,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2021-10-20 05:30:29,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:30:29,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-20 05:30:29,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:30:29,378 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2021-10-20 05:30:29,379 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:30:29,561 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2021-10-20 05:30:29,561 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [509199751] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 05:30:29,561 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-20 05:30:29,562 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5, 5] total 11 [2021-10-20 05:30:29,562 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325353922] [2021-10-20 05:30:29,563 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-20 05:30:29,563 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 05:30:29,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-20 05:30:29,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-10-20 05:30:29,564 INFO L87 Difference]: Start difference. First operand 310 states and 400 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 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) [2021-10-20 05:30:31,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:30:31,259 INFO L93 Difference]: Finished difference Result 621 states and 801 transitions. [2021-10-20 05:30:31,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-20 05:30:31,260 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 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 99 [2021-10-20 05:30:31,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:30:31,264 INFO L225 Difference]: With dead ends: 621 [2021-10-20 05:30:31,264 INFO L226 Difference]: Without dead ends: 318 [2021-10-20 05:30:31,265 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 392 GetRequests, 383 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 77.6ms TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-10-20 05:30:31,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2021-10-20 05:30:31,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 310. [2021-10-20 05:30:31,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 309 states have (on average 1.2815533980582525) internal successors, (396), 309 states have internal predecessors, (396), 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) [2021-10-20 05:30:31,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 396 transitions. [2021-10-20 05:30:31,309 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 396 transitions. Word has length 99 [2021-10-20 05:30:31,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:30:31,311 INFO L470 AbstractCegarLoop]: Abstraction has 310 states and 396 transitions. [2021-10-20 05:30:31,311 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 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) [2021-10-20 05:30:31,311 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 396 transitions. [2021-10-20 05:30:31,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-10-20 05:30:31,318 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:30:31,318 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 2, 2, 2, 2, 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] [2021-10-20 05:30:31,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-10-20 05:30:31,538 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2021-10-20 05:30:31,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt [2021-10-20 05:30:31,734 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:30:31,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:30:31,735 INFO L82 PathProgramCache]: Analyzing trace with hash -1430063544, now seen corresponding path program 1 times [2021-10-20 05:30:31,735 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:30:31,735 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1564585555] [2021-10-20 05:30:31,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:30:31,736 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:30:31,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:30:31,737 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:30:31,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-10-20 05:30:32,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:30:32,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-20 05:30:32,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:30:32,642 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 104 proven. 9 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-10-20 05:30:32,642 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:30:33,041 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 104 proven. 9 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-10-20 05:30:33,041 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 05:30:33,042 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1564585555] [2021-10-20 05:30:33,042 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1564585555] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-20 05:30:33,042 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1322000466] [2021-10-20 05:30:33,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:30:33,042 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-20 05:30:33,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/cvc4 [2021-10-20 05:30:33,051 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-20 05:30:33,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2021-10-20 05:30:33,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:30:33,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-20 05:30:33,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:30:34,076 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 102 proven. 6 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-10-20 05:30:34,076 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:30:34,453 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 104 proven. 4 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-10-20 05:30:34,453 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1322000466] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-20 05:30:34,453 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [985495226] [2021-10-20 05:30:34,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:30:34,454 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-20 05:30:34,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/z3 [2021-10-20 05:30:34,455 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-20 05:30:34,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-10-20 05:30:35,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:30:35,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-20 05:30:35,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:30:35,320 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 118 proven. 2 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-10-20 05:30:35,320 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:30:35,702 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-10-20 05:30:35,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [985495226] provided 1 perfect and 1 imperfect interpolant sequences [2021-10-20 05:30:35,702 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 5 imperfect interpolant sequences. [2021-10-20 05:30:35,703 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5, 5, 7, 7, 8] total 18 [2021-10-20 05:30:35,703 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938825662] [2021-10-20 05:30:35,703 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-20 05:30:35,704 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 05:30:35,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-20 05:30:35,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2021-10-20 05:30:35,704 INFO L87 Difference]: Start difference. First operand 310 states and 396 transitions. Second operand has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 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) [2021-10-20 05:30:36,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:30:36,302 INFO L93 Difference]: Finished difference Result 1207 states and 1546 transitions. [2021-10-20 05:30:36,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-20 05:30:36,303 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 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 114 [2021-10-20 05:30:36,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:30:36,308 INFO L225 Difference]: With dead ends: 1207 [2021-10-20 05:30:36,308 INFO L226 Difference]: Without dead ends: 904 [2021-10-20 05:30:36,309 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 699 GetRequests, 671 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 490.9ms TimeCoverageRelationStatistics Valid=185, Invalid=685, Unknown=0, NotChecked=0, Total=870 [2021-10-20 05:30:36,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2021-10-20 05:30:36,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 540. [2021-10-20 05:30:36,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 539 states have (on average 1.294990723562152) internal successors, (698), 539 states have internal predecessors, (698), 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) [2021-10-20 05:30:36,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 698 transitions. [2021-10-20 05:30:36,394 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 698 transitions. Word has length 114 [2021-10-20 05:30:36,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:30:36,394 INFO L470 AbstractCegarLoop]: Abstraction has 540 states and 698 transitions. [2021-10-20 05:30:36,395 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 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) [2021-10-20 05:30:36,395 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 698 transitions. [2021-10-20 05:30:36,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-10-20 05:30:36,397 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:30:36,397 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2021-10-20 05:30:36,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2021-10-20 05:30:36,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2021-10-20 05:30:36,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-10-20 05:30:37,001 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 05:30:37,001 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:30:37,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:30:37,002 INFO L82 PathProgramCache]: Analyzing trace with hash 262479299, now seen corresponding path program 1 times [2021-10-20 05:30:37,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:30:37,002 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [372423691] [2021-10-20 05:30:37,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:30:37,003 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:30:37,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:30:37,004 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:30:37,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-10-20 05:30:37,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:30:37,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-20 05:30:37,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:30:37,920 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-10-20 05:30:37,920 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:30:38,247 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-10-20 05:30:38,248 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 05:30:38,248 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [372423691] [2021-10-20 05:30:38,248 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [372423691] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 05:30:38,248 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 05:30:38,248 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-20 05:30:38,248 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499871680] [2021-10-20 05:30:38,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-20 05:30:38,249 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 05:30:38,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-20 05:30:38,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-20 05:30:38,250 INFO L87 Difference]: Start difference. First operand 540 states and 698 transitions. Second operand has 8 states, 8 states have (on average 13.625) internal successors, (109), 8 states have internal predecessors, (109), 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) [2021-10-20 05:30:41,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:30:41,020 INFO L93 Difference]: Finished difference Result 1177 states and 1511 transitions. [2021-10-20 05:30:41,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-20 05:30:41,021 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.625) internal successors, (109), 8 states have internal predecessors, (109), 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 116 [2021-10-20 05:30:41,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:30:41,024 INFO L225 Difference]: With dead ends: 1177 [2021-10-20 05:30:41,025 INFO L226 Difference]: Without dead ends: 644 [2021-10-20 05:30:41,026 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 56.1ms TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-10-20 05:30:41,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2021-10-20 05:30:41,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 540. [2021-10-20 05:30:41,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 539 states have (on average 1.2782931354359925) internal successors, (689), 539 states have internal predecessors, (689), 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) [2021-10-20 05:30:41,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 689 transitions. [2021-10-20 05:30:41,104 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 689 transitions. Word has length 116 [2021-10-20 05:30:41,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:30:41,105 INFO L470 AbstractCegarLoop]: Abstraction has 540 states and 689 transitions. [2021-10-20 05:30:41,105 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.625) internal successors, (109), 8 states have internal predecessors, (109), 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) [2021-10-20 05:30:41,105 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 689 transitions. [2021-10-20 05:30:41,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-10-20 05:30:41,112 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:30:41,112 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-20 05:30:41,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-10-20 05:30:41,325 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 05:30:41,325 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:30:41,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:30:41,325 INFO L82 PathProgramCache]: Analyzing trace with hash -990692583, now seen corresponding path program 1 times [2021-10-20 05:30:41,326 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:30:41,326 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [674636557] [2021-10-20 05:30:41,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:30:41,326 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:30:41,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:30:41,327 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:30:41,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-10-20 05:30:41,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:30:41,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-20 05:30:41,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:30:42,371 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 105 proven. 38 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-20 05:30:42,372 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:30:42,768 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 105 proven. 38 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-20 05:30:42,768 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 05:30:42,768 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [674636557] [2021-10-20 05:30:42,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [674636557] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-20 05:30:42,768 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [733591789] [2021-10-20 05:30:42,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:30:42,769 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-20 05:30:42,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/cvc4 [2021-10-20 05:30:42,769 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-20 05:30:42,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2021-10-20 05:30:43,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:30:43,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-20 05:30:43,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:30:43,984 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 105 proven. 6 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-10-20 05:30:43,985 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:30:44,325 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 107 proven. 4 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-10-20 05:30:44,326 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [733591789] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-20 05:30:44,326 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2041037595] [2021-10-20 05:30:44,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:30:44,326 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-20 05:30:44,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/z3 [2021-10-20 05:30:44,327 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-20 05:30:44,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-10-20 05:30:45,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:30:45,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-20 05:30:45,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:30:45,429 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 105 proven. 6 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-10-20 05:30:45,429 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:30:45,710 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 107 proven. 4 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-10-20 05:30:45,710 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2041037595] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-20 05:30:45,710 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-20 05:30:45,710 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 7, 7, 7, 7] total 18 [2021-10-20 05:30:45,711 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646973262] [2021-10-20 05:30:45,712 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-10-20 05:30:45,712 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 05:30:45,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-10-20 05:30:45,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2021-10-20 05:30:45,713 INFO L87 Difference]: Start difference. First operand 540 states and 689 transitions. Second operand has 18 states, 18 states have (on average 11.777777777777779) internal successors, (212), 18 states have internal predecessors, (212), 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) [2021-10-20 05:30:53,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:30:53,588 INFO L93 Difference]: Finished difference Result 1120 states and 1430 transitions. [2021-10-20 05:30:53,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-20 05:30:53,589 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 11.777777777777779) internal successors, (212), 18 states have internal predecessors, (212), 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 117 [2021-10-20 05:30:53,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:30:53,589 INFO L225 Difference]: With dead ends: 1120 [2021-10-20 05:30:53,589 INFO L226 Difference]: Without dead ends: 0 [2021-10-20 05:30:53,593 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 712 GetRequests, 685 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 405.8ms TimeCoverageRelationStatistics Valid=171, Invalid=641, Unknown=0, NotChecked=0, Total=812 [2021-10-20 05:30:53,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-20 05:30:53,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-20 05:30:53,594 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) [2021-10-20 05:30:53,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-20 05:30:53,594 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 117 [2021-10-20 05:30:53,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:30:53,594 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-20 05:30:53,595 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 11.777777777777779) internal successors, (212), 18 states have internal predecessors, (212), 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) [2021-10-20 05:30:53,595 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-20 05:30:53,595 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-20 05:30:53,598 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-20 05:30:53,599 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-20 05:30:53,599 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-20 05:30:53,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2021-10-20 05:30:53,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2021-10-20 05:30:54,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (20)] Ended with exit code 0 [2021-10-20 05:30:54,203 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 05:30:54,205 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-20 05:30:54,209 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:30:54,930 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:30:54,932 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:30:55,282 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:30:55,283 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:30:55,284 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:30:55,284 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:30:55,286 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:30:55,289 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:30:55,290 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:30:55,290 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:30:55,291 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:30:55,293 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:30:55,582 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:30:55,583 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:30:55,584 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:30:56,047 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:30:56,048 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:30:56,069 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:30:56,070 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:30:56,115 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:30:56,116 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:30:56,117 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:30:56,117 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:30:56,119 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:30:56,201 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:30:56,202 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:30:56,222 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:30:56,464 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:30:56,465 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:30:56,466 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:30:56,467 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:30:56,894 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:30:56,936 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:30:56,988 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:30:56,989 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:30:56,990 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:30:56,990 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:30:56,991 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:30:56,993 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:30:57,190 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:30:57,481 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:30:57,767 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:30:57,767 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:30:57,768 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:31:13,629 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 932) no Hoare annotation was computed. [2021-10-20 05:31:13,629 INFO L853 garLoopResultBuilder]: At program point L630(lines 623 633) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~waterLevel~0 (_ bv2 32)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 05:31:13,630 INFO L853 garLoopResultBuilder]: At program point L630-1(lines 623 633) the Hoare annotation is: false [2021-10-20 05:31:13,630 INFO L853 garLoopResultBuilder]: At program point L630-2(lines 623 633) the Hoare annotation is: false [2021-10-20 05:31:13,630 INFO L857 garLoopResultBuilder]: For program point L845(lines 845 849) no Hoare annotation was computed. [2021-10-20 05:31:13,630 INFO L857 garLoopResultBuilder]: For program point L845-1(lines 845 849) no Hoare annotation was computed. [2021-10-20 05:31:13,630 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-20 05:31:13,630 INFO L857 garLoopResultBuilder]: For program point L763(lines 763 778) no Hoare annotation was computed. [2021-10-20 05:31:13,630 INFO L857 garLoopResultBuilder]: For program point L87(lines 87 91) no Hoare annotation was computed. [2021-10-20 05:31:13,630 INFO L857 garLoopResultBuilder]: For program point L914(lines 914 921) no Hoare annotation was computed. [2021-10-20 05:31:13,630 INFO L860 garLoopResultBuilder]: At program point L914-1(lines 914 921) the Hoare annotation is: true [2021-10-20 05:31:13,631 INFO L857 garLoopResultBuilder]: For program point L964(lines 964 981) no Hoare annotation was computed. [2021-10-20 05:31:13,631 INFO L853 garLoopResultBuilder]: At program point L964-1(lines 1 984) the Hoare annotation is: (let ((.cse4 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse6 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8)) (.cse17 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse15 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp___0~2 (_ bv1 32))) (.cse16 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse13 (= (_ bv1 32) ~pumpRunning~0)) (.cse7 (not .cse17)) (.cse10 (= ~waterLevel~0 (_ bv0 32))) (.cse11 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse12 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse18 (not .cse6)) (.cse14 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|)) (.cse19 (not .cse4)) (.cse2 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8)) (.cse3 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse8 (= ~waterLevel~0 (_ bv1 32))) (.cse9 (bvslt ~waterLevel~0 (_ bv2 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse2 .cse3 .cse7 .cse4 .cse5 .cse6) (and .cse0 .cse3 .cse8 .cse9 .cse7 .cse5) (and .cse0 .cse3 .cse10 .cse11 .cse9 .cse7 .cse5 .cse12) (and .cse0 .cse13 .cse14 .cse2 .cse3 .cse8 .cse15 .cse7 .cse16) (and .cse0 .cse13 .cse3 .cse10 .cse11 .cse15 .cse7 .cse16 .cse12) (and .cse0 .cse13 .cse2 .cse3 .cse7 .cse4 .cse6) (and .cse0 .cse1 .cse17 .cse18 .cse19 .cse3 .cse10 .cse11 .cse9 .cse5 .cse12) (and .cse0 .cse1 .cse17 .cse18 .cse14 .cse19 .cse2 .cse3 .cse8 .cse9 .cse5)))) [2021-10-20 05:31:13,631 INFO L857 garLoopResultBuilder]: For program point L964-2(lines 964 981) no Hoare annotation was computed. [2021-10-20 05:31:13,632 INFO L853 garLoopResultBuilder]: At program point L964-3(lines 1 984) the Hoare annotation is: false [2021-10-20 05:31:13,632 INFO L857 garLoopResultBuilder]: For program point L964-4(lines 964 981) no Hoare annotation was computed. [2021-10-20 05:31:13,632 INFO L853 garLoopResultBuilder]: At program point L964-5(lines 1 984) the Hoare annotation is: false [2021-10-20 05:31:13,632 INFO L857 garLoopResultBuilder]: For program point L568(lines 568 585) no Hoare annotation was computed. [2021-10-20 05:31:13,632 INFO L857 garLoopResultBuilder]: For program point L568-1(lines 568 585) no Hoare annotation was computed. [2021-10-20 05:31:13,632 INFO L857 garLoopResultBuilder]: For program point L568-2(lines 568 585) no Hoare annotation was computed. [2021-10-20 05:31:13,632 INFO L853 garLoopResultBuilder]: At program point L783(lines 732 784) the Hoare annotation is: false [2021-10-20 05:31:13,632 INFO L857 garLoopResultBuilder]: For program point L932(line 932) no Hoare annotation was computed. [2021-10-20 05:31:13,632 INFO L857 garLoopResultBuilder]: For program point L932-1(line 932) no Hoare annotation was computed. [2021-10-20 05:31:13,632 INFO L857 garLoopResultBuilder]: For program point L932-2(line 932) no Hoare annotation was computed. [2021-10-20 05:31:13,633 INFO L857 garLoopResultBuilder]: For program point L734(lines 733 782) no Hoare annotation was computed. [2021-10-20 05:31:13,633 INFO L853 garLoopResultBuilder]: At program point L536(lines 532 554) the Hoare annotation is: (let ((.cse5 (= ~waterLevel~0 (_ bv2 32))) (.cse10 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse12 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8))) (let ((.cse7 (= (_ bv1 32) ~pumpRunning~0)) (.cse13 (not .cse12)) (.cse14 (not .cse10)) (.cse8 (not .cse5)) (.cse9 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse11 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse6 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse15 (= ~waterLevel~0 (_ bv0 32))) (.cse16 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse17 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse1 .cse4) (and .cse0 .cse7 .cse8 .cse1 .cse9 .cse2 .cse3 .cse10 .cse11 .cse12) (and .cse0 .cse7 .cse13 .cse14 .cse1 .cse9 .cse15 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp___0~2 (_ bv1 32)) .cse3 .cse11) (and .cse0 .cse6 .cse1 .cse2 .cse4) (and .cse0 .cse7 .cse1 .cse9 .cse15 .cse16 .cse3 .cse11 .cse17) (and .cse0 .cse7 .cse13 .cse14 .cse8 .cse1 .cse9 .cse2 .cse3 .cse11) (and .cse0 .cse5 .cse1 .cse3 .cse4) (and .cse0 .cse6 .cse1 .cse15 .cse16 .cse4 .cse17) (and .cse0 .cse1 .cse15 .cse16 .cse3 .cse4 .cse17)))) [2021-10-20 05:31:13,633 INFO L853 garLoopResultBuilder]: At program point L536-1(lines 532 554) the Hoare annotation is: false [2021-10-20 05:31:13,633 INFO L853 garLoopResultBuilder]: At program point L536-2(lines 532 554) the Hoare annotation is: false [2021-10-20 05:31:13,633 INFO L853 garLoopResultBuilder]: At program point L817(lines 1 984) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 05:31:13,633 INFO L857 garLoopResultBuilder]: For program point L140(lines 140 146) no Hoare annotation was computed. [2021-10-20 05:31:13,633 INFO L857 garLoopResultBuilder]: For program point L140-1(lines 140 146) no Hoare annotation was computed. [2021-10-20 05:31:13,634 INFO L857 garLoopResultBuilder]: For program point L140-2(lines 140 146) no Hoare annotation was computed. [2021-10-20 05:31:13,634 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-20 05:31:13,634 INFO L857 garLoopResultBuilder]: For program point L735(lines 735 739) no Hoare annotation was computed. [2021-10-20 05:31:13,634 INFO L857 garLoopResultBuilder]: For program point L702(lines 702 708) no Hoare annotation was computed. [2021-10-20 05:31:13,634 INFO L853 garLoopResultBuilder]: At program point L702-1(lines 702 708) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~waterLevel~0 (_ bv1 32)) .cse2) (and .cse0 .cse1 (= ~waterLevel~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|) .cse2 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8)) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2))) [2021-10-20 05:31:13,634 INFO L857 garLoopResultBuilder]: For program point L75(lines 75 79) no Hoare annotation was computed. [2021-10-20 05:31:13,634 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 932) no Hoare annotation was computed. [2021-10-20 05:31:13,634 INFO L857 garLoopResultBuilder]: For program point L753(lines 753 759) no Hoare annotation was computed. [2021-10-20 05:31:13,635 INFO L853 garLoopResultBuilder]: At program point L753-1(lines 753 759) the Hoare annotation is: (let ((.cse11 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse12 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8)) (.cse21 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse18 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp___0~2 (_ bv1 32))) (.cse19 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse7 (not .cse21)) (.cse13 (= ~waterLevel~0 (_ bv0 32))) (.cse16 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|)) (.cse17 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8)) (.cse9 (bvslt ~waterLevel~0 (_ bv2 32))) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (not .cse12)) (.cse4 (not .cse11)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse20 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse5 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse14 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse8 (= ~waterLevel~0 (_ bv1 32))) (.cse6 (not (= ~waterLevel~0 (_ bv3 32)))) (.cse10 (= (_ bv0 32) ~pumpRunning~0)) (.cse15 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse5 .cse8 .cse9 .cse7 .cse10) (and .cse0 .cse1 .cse2 .cse5 .cse7 .cse11 .cse12) (and .cse0 .cse5 .cse13 .cse14 .cse9 .cse7 .cse10 .cse15) (and .cse0 .cse1 .cse16 .cse17 .cse5 .cse8 .cse18 .cse7 .cse19) (and .cse0 .cse2 .cse5 .cse7 .cse10) (and .cse0 .cse1 .cse5 .cse13 .cse14 .cse18 .cse7 .cse19 .cse15) (and .cse0 .cse1 .cse5 .cse14 .cse8 .cse6 .cse7 .cse15) (and .cse0 .cse20 .cse21 .cse3 .cse4 .cse5 .cse13 .cse14 .cse9 .cse10 .cse15) (and .cse0 .cse20 .cse21 .cse17 .cse5 .cse6 .cse11 .cse10 .cse12) (and .cse0 .cse20 .cse21 .cse3 .cse16 .cse4 .cse17 .cse5 .cse8 .cse9 .cse10) (and .cse0 .cse2 .cse20 .cse21 .cse3 .cse4 .cse5 .cse6 .cse10) (and .cse0 .cse20 .cse21 .cse5 .cse14 .cse8 .cse6 .cse10 .cse15)))) [2021-10-20 05:31:13,635 INFO L857 garLoopResultBuilder]: For program point L968(lines 968 978) no Hoare annotation was computed. [2021-10-20 05:31:13,635 INFO L857 garLoopResultBuilder]: For program point L968-2(lines 968 978) no Hoare annotation was computed. [2021-10-20 05:31:13,635 INFO L857 garLoopResultBuilder]: For program point L968-4(lines 968 978) no Hoare annotation was computed. [2021-10-20 05:31:13,636 INFO L857 garLoopResultBuilder]: For program point L605(lines 605 611) no Hoare annotation was computed. [2021-10-20 05:31:13,636 INFO L857 garLoopResultBuilder]: For program point L572(lines 572 580) no Hoare annotation was computed. [2021-10-20 05:31:13,636 INFO L857 garLoopResultBuilder]: For program point L572-1(lines 572 580) no Hoare annotation was computed. [2021-10-20 05:31:13,636 INFO L857 garLoopResultBuilder]: For program point L605-2(lines 605 611) no Hoare annotation was computed. [2021-10-20 05:31:13,636 INFO L857 garLoopResultBuilder]: For program point L572-2(lines 572 580) no Hoare annotation was computed. [2021-10-20 05:31:13,636 INFO L857 garLoopResultBuilder]: For program point L605-4(lines 605 611) no Hoare annotation was computed. [2021-10-20 05:31:13,636 INFO L857 garLoopResultBuilder]: For program point L688(lines 688 692) no Hoare annotation was computed. [2021-10-20 05:31:13,636 INFO L857 garLoopResultBuilder]: For program point L688-2(lines 688 692) no Hoare annotation was computed. [2021-10-20 05:31:13,636 INFO L857 garLoopResultBuilder]: For program point L688-3(lines 688 692) no Hoare annotation was computed. [2021-10-20 05:31:13,638 INFO L857 garLoopResultBuilder]: For program point L688-5(lines 688 692) no Hoare annotation was computed. [2021-10-20 05:31:13,638 INFO L857 garLoopResultBuilder]: For program point L688-6(lines 688 692) no Hoare annotation was computed. [2021-10-20 05:31:13,638 INFO L857 garLoopResultBuilder]: For program point L969(lines 969 975) no Hoare annotation was computed. [2021-10-20 05:31:13,638 INFO L857 garLoopResultBuilder]: For program point L688-8(lines 688 692) no Hoare annotation was computed. [2021-10-20 05:31:13,638 INFO L857 garLoopResultBuilder]: For program point L969-2(lines 969 975) no Hoare annotation was computed. [2021-10-20 05:31:13,638 INFO L857 garLoopResultBuilder]: For program point L969-4(lines 969 975) no Hoare annotation was computed. [2021-10-20 05:31:13,638 INFO L857 garLoopResultBuilder]: For program point L771(lines 771 777) no Hoare annotation was computed. [2021-10-20 05:31:13,639 INFO L853 garLoopResultBuilder]: At program point L771-1(lines 1 984) the Hoare annotation is: (let ((.cse16 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|))) (let ((.cse4 (not .cse16)) (.cse6 (not (= ~waterLevel~0 (_ bv3 32)))) (.cse17 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8))) (let ((.cse3 (not .cse17)) (.cse8 (or .cse4 .cse6)) (.cse11 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp___0~2 (_ bv1 32))) (.cse9 (= ~waterLevel~0 (_ bv0 32))) (.cse12 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse15 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse10 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse14 (= ~waterLevel~0 (_ bv1 32))) (.cse7 (not (= ~systemActive~0 (_ bv0 32)))) (.cse13 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse3 .cse8 .cse5 .cse9 .cse10 .cse11 .cse7 .cse12 .cse13) (and .cse0 .cse5 .cse14 .cse15) (and .cse0 .cse1 .cse3 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|) (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8) .cse8 .cse5 .cse14 .cse11 .cse7 .cse12) (and .cse0 .cse5 .cse9 .cse10 .cse15 .cse13) (and .cse0 .cse1 .cse5 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse9 .cse10 .cse7 .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse5 .cse7 .cse16 .cse17) (and .cse0 .cse2 .cse5 .cse15) (and .cse0 .cse1 .cse5 .cse10 .cse14 .cse6 .cse7 .cse13))))) [2021-10-20 05:31:13,639 INFO L853 garLoopResultBuilder]: At program point L639(lines 634 642) the Hoare annotation is: (let ((.cse10 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|))) (let ((.cse11 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8)) (.cse19 (not .cse10)) (.cse5 (not (= ~waterLevel~0 (_ bv3 32))))) (let ((.cse9 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8)) (.cse13 (or .cse19 .cse5)) (.cse15 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp___0~2 (_ bv1 32))) (.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse16 (= ~waterLevel~0 (_ bv2 32))) (.cse12 (not .cse11)) (.cse6 (not (= ~systemActive~0 (_ bv0 32)))) (.cse7 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse17 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse14 (= ~waterLevel~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse18 (= (_ bv0 32) ~pumpRunning~0)) (.cse8 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse9 .cse2 .cse5 .cse6 .cse10 .cse7 .cse11) (and .cse0 .cse1 .cse12 .cse13 .cse2 .cse14 .cse3 .cse15 .cse6 .cse7 .cse8) (and .cse0 .cse16 .cse17 .cse2 .cse18) (and .cse0 .cse1 .cse12 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|) .cse9 .cse13 .cse2 .cse4 .cse15 .cse6 .cse7) (and .cse0 .cse17 .cse2 .cse4 .cse18) (and .cse0 .cse1 .cse2 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse14 .cse3 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse16 .cse12 .cse19 .cse2 .cse6 .cse7) (and .cse0 .cse17 .cse2 .cse14 .cse3 .cse18 .cse8))))) [2021-10-20 05:31:13,639 INFO L853 garLoopResultBuilder]: At program point L639-1(lines 634 642) the Hoare annotation is: (let ((.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse10 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|)) (.cse11 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8)) (.cse3 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse12 (= ~waterLevel~0 (_ bv1 32))) (.cse6 (not (= ~systemActive~0 (_ bv0 32)))) (.cse7 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse9 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse4 (= ~waterLevel~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse13 (= (_ bv0 32) ~pumpRunning~0)) (.cse8 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse9 .cse10 .cse11 .cse2 .cse12 .cse13) (and .cse0 .cse1 .cse10 .cse11 .cse2 .cse3 .cse12 .cse6 .cse7) (and .cse0 .cse9 .cse2 .cse4 .cse5 .cse13 .cse8))) [2021-10-20 05:31:13,639 INFO L853 garLoopResultBuilder]: At program point L639-2(lines 634 642) the Hoare annotation is: false [2021-10-20 05:31:13,639 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-20 05:31:13,639 INFO L853 garLoopResultBuilder]: At program point L639-3(lines 634 642) the Hoare annotation is: false [2021-10-20 05:31:13,639 INFO L853 garLoopResultBuilder]: At program point L639-4(lines 634 642) the Hoare annotation is: false [2021-10-20 05:31:13,640 INFO L853 garLoopResultBuilder]: At program point L639-5(lines 634 642) the Hoare annotation is: false [2021-10-20 05:31:13,651 INFO L853 garLoopResultBuilder]: At program point L953(lines 536 542) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8)) (.cse8 (= ~waterLevel~0 (_ bv2 32))) (.cse16 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8)) (.cse15 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse5 (= ~waterLevel~0 (_ bv1 32))) (.cse14 (not (= ~waterLevel~0 (_ bv3 32)))) (.cse6 (not (= ~systemActive~0 (_ bv0 32)))) (.cse7 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse9 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse11 (= ~waterLevel~0 (_ bv0 32))) (.cse12 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse10 (= (_ bv0 32) ~pumpRunning~0)) (.cse13 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8))) (or (and .cse0 .cse1 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|) .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp___0~2 (_ bv1 32)) .cse6 .cse7) (and .cse0 .cse8 .cse9 .cse3 .cse10) (and .cse0 .cse9 .cse3 .cse5 .cse10) (and .cse0 .cse1 .cse3 .cse4 .cse11 .cse12 .cse6 .cse7 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse14 .cse6 .cse15 .cse7 .cse16) (and .cse0 .cse1 .cse8 (not .cse16) (not .cse15) .cse3 .cse4 .cse6 .cse7) (and .cse0 .cse1 .cse3 .cse4 .cse12 .cse5 .cse14 .cse6 .cse7 .cse13) (and .cse0 .cse9 .cse3 .cse11 .cse12 .cse10 .cse13))) [2021-10-20 05:31:13,651 INFO L853 garLoopResultBuilder]: At program point L953-1(lines 536 542) the Hoare annotation is: false [2021-10-20 05:31:13,651 INFO L853 garLoopResultBuilder]: At program point L953-2(lines 536 542) the Hoare annotation is: false [2021-10-20 05:31:13,651 INFO L853 garLoopResultBuilder]: At program point L145(lines 136 149) the Hoare annotation is: (let ((.cse1 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|) .cse3 .cse4 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8)) (and .cse0 .cse1 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3 .cse4) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse2 .cse3 .cse4))) [2021-10-20 05:31:13,651 INFO L853 garLoopResultBuilder]: At program point L145-1(lines 136 149) the Hoare annotation is: false [2021-10-20 05:31:13,652 INFO L853 garLoopResultBuilder]: At program point L145-2(lines 136 149) the Hoare annotation is: false [2021-10-20 05:31:13,652 INFO L857 garLoopResultBuilder]: For program point L63(lines 63 67) no Hoare annotation was computed. [2021-10-20 05:31:13,652 INFO L857 garLoopResultBuilder]: For program point L63-3(lines 63 67) no Hoare annotation was computed. [2021-10-20 05:31:13,652 INFO L853 garLoopResultBuilder]: At program point L889(lines 885 891) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 05:31:13,652 INFO L857 garLoopResultBuilder]: For program point L63-6(lines 63 67) no Hoare annotation was computed. [2021-10-20 05:31:13,652 INFO L853 garLoopResultBuilder]: At program point L543(lines 543 549) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 (_ bv2 32))) (.cse14 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse15 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8))) (let ((.cse9 (not .cse15)) (.cse10 (not .cse14)) (.cse16 (not .cse6)) (.cse11 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse13 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (bvslt ~waterLevel~0 (_ bv2 32))) (.cse7 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse12 (= ~waterLevel~0 (_ bv0 32))) (.cse17 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse18 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse8 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse4 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse7 .cse1 .cse5) (and .cse0 .cse8 .cse9 .cse10 .cse1 .cse11 .cse12 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp___0~2 (_ bv1 32)) .cse4 .cse13) (and .cse0 .cse7 .cse1 .cse2 .cse5) (and .cse0 .cse8 .cse1 .cse11 .cse2 .cse4 .cse14 .cse13 .cse15) (and .cse0 .cse8 .cse16 .cse1 .cse11 .cse12 .cse17 .cse4 .cse13 .cse18) (and .cse0 .cse8 .cse9 .cse10 .cse16 .cse1 .cse11 .cse2 .cse4 .cse13) (and .cse0 .cse1 .cse12 .cse17 .cse3 .cse4 .cse5 .cse18) (and .cse0 .cse6 .cse1 .cse4 .cse5) (and .cse0 .cse7 .cse1 .cse12 .cse17 .cse5 .cse18) (and .cse0 .cse8 .cse6 .cse1 .cse4)))) [2021-10-20 05:31:13,653 INFO L853 garLoopResultBuilder]: At program point L543-1(lines 543 549) the Hoare annotation is: false [2021-10-20 05:31:13,653 INFO L853 garLoopResultBuilder]: At program point L543-2(lines 543 549) the Hoare annotation is: false [2021-10-20 05:31:13,653 INFO L860 garLoopResultBuilder]: At program point L923(lines 904 926) the Hoare annotation is: true [2021-10-20 05:31:13,653 INFO L853 garLoopResultBuilder]: At program point L841-2(lines 841 855) the Hoare annotation is: false [2021-10-20 05:31:13,653 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-20 05:31:13,653 INFO L853 garLoopResultBuilder]: At program point L825(lines 820 828) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 05:31:13,654 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 932) no Hoare annotation was computed. [2021-10-20 05:31:13,654 INFO L857 garLoopResultBuilder]: For program point L842(line 842) no Hoare annotation was computed. [2021-10-20 05:31:13,654 INFO L857 garLoopResultBuilder]: For program point L743(lines 743 749) no Hoare annotation was computed. [2021-10-20 05:31:13,654 INFO L853 garLoopResultBuilder]: At program point L743-1(lines 743 749) the Hoare annotation is: (let ((.cse11 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse12 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8)) (.cse21 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse18 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp___0~2 (_ bv1 32))) (.cse19 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse7 (not .cse21)) (.cse13 (= ~waterLevel~0 (_ bv0 32))) (.cse16 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|)) (.cse17 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8)) (.cse9 (bvslt ~waterLevel~0 (_ bv2 32))) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (not .cse12)) (.cse4 (not .cse11)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse20 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse5 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse14 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse8 (= ~waterLevel~0 (_ bv1 32))) (.cse6 (not (= ~waterLevel~0 (_ bv3 32)))) (.cse10 (= (_ bv0 32) ~pumpRunning~0)) (.cse15 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse5 .cse8 .cse9 .cse7 .cse10) (and .cse0 .cse1 .cse2 .cse5 .cse7 .cse11 .cse12) (and .cse0 .cse5 .cse13 .cse14 .cse9 .cse7 .cse10 .cse15) (and .cse0 .cse1 .cse16 .cse17 .cse5 .cse8 .cse18 .cse7 .cse19) (and .cse0 .cse2 .cse5 .cse7 .cse10) (and .cse0 .cse1 .cse5 .cse13 .cse14 .cse18 .cse7 .cse19 .cse15) (and .cse0 .cse1 .cse5 .cse14 .cse8 .cse6 .cse7 .cse15) (and .cse0 .cse20 .cse21 .cse3 .cse4 .cse5 .cse13 .cse14 .cse9 .cse10 .cse15) (and .cse0 .cse20 .cse21 .cse17 .cse5 .cse6 .cse11 .cse10 .cse12) (and .cse0 .cse20 .cse21 .cse3 .cse16 .cse4 .cse17 .cse5 .cse8 .cse9 .cse10) (and .cse0 .cse2 .cse20 .cse21 .cse3 .cse4 .cse5 .cse6 .cse10) (and .cse0 .cse20 .cse21 .cse5 .cse14 .cse8 .cse6 .cse10 .cse15)))) [2021-10-20 05:31:13,655 INFO L853 garLoopResultBuilder]: At program point L132(lines 127 135) the Hoare annotation is: (let ((.cse4 (bvslt ~waterLevel~0 (_ bv2 32))) (.cse9 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse7 (= (_ bv1 32) ~pumpRunning~0)) (.cse12 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse5 (not (= ~systemActive~0 (_ bv0 32)))) (.cse13 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= ~waterLevel~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse11 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse8 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|)) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse10 (= ~waterLevel~0 (_ bv1 32))) (.cse6 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse7 .cse8 .cse1 .cse5 .cse9) (and .cse0 .cse8 .cse1 .cse5 .cse9 .cse6) (and .cse0 .cse8 .cse1 .cse10 .cse4 .cse5 .cse6) (and .cse0 .cse11 .cse8 .cse1 .cse9 .cse6) (and .cse0 .cse7 .cse1 .cse12 .cse2 .cse3 .cse5 .cse13) (and .cse0 .cse7 .cse8 .cse1 .cse12 .cse10 .cse5 .cse13) (and .cse0 .cse11 .cse1 .cse2 .cse3 .cse6) (and .cse0 .cse11 .cse8 .cse1 .cse10 .cse6))) [2021-10-20 05:31:13,655 INFO L853 garLoopResultBuilder]: At program point L132-1(lines 127 135) the Hoare annotation is: false [2021-10-20 05:31:13,655 INFO L853 garLoopResultBuilder]: At program point L132-2(lines 127 135) the Hoare annotation is: false [2021-10-20 05:31:13,655 INFO L853 garLoopResultBuilder]: At program point L694(lines 679 697) the Hoare annotation is: (let ((.cse1 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~5 (_ bv0 32)))) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv0 32))) (.cse4 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse5 (bvslt ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse6 (not (= ~systemActive~0 (_ bv0 32)))) (.cse7 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~waterLevel~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|) .cse5 .cse6 .cse7 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8)) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~waterLevel~0 (_ bv1 32)) .cse5 .cse6 .cse7) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse3 .cse6 .cse7))) [2021-10-20 05:31:13,655 INFO L853 garLoopResultBuilder]: At program point L694-1(lines 679 697) the Hoare annotation is: false [2021-10-20 05:31:13,655 INFO L853 garLoopResultBuilder]: At program point L694-2(lines 679 697) the Hoare annotation is: false [2021-10-20 05:31:13,655 INFO L853 garLoopResultBuilder]: At program point L100(lines 95 103) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~waterLevel~0 (_ bv2 32)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 05:31:13,655 INFO L853 garLoopResultBuilder]: At program point L100-1(lines 95 103) the Hoare annotation is: false [2021-10-20 05:31:13,655 INFO L853 garLoopResultBuilder]: At program point L100-2(lines 95 103) the Hoare annotation is: false [2021-10-20 05:31:13,656 INFO L853 garLoopResultBuilder]: At program point L943(lines 938 945) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 05:31:13,660 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-20 05:31:13,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 05:31:13 BoogieIcfgContainer [2021-10-20 05:31:13,761 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-20 05:31:13,761 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-20 05:31:13,762 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-20 05:31:13,762 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-20 05:31:13,762 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:30:11" (3/4) ... [2021-10-20 05:31:13,765 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-20 05:31:13,787 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-20 05:31:13,788 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-20 05:31:13,789 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-20 05:31:13,790 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-20 05:31:13,791 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-20 05:31:13,792 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-20 05:31:13,793 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-20 05:31:13,822 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-20 05:31:13,830 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-20 05:31:13,831 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-20 05:31:13,831 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == tmp) && \result == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning) && 2bv32 == tmp) || ((((((splverifierCounter == 0bv32 && waterLevel == tmp) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 0bv32 == pumpRunning) && 2bv32 == tmp)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == tmp)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && waterLevel == tmp) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == tmp)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == tmp) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 2bv32 == tmp)) || ((((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && !(2bv32 == tmp)) && !(2bv32 == \result)) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning) && 0bv32 == tmp)) || ((((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && !(2bv32 == tmp)) && waterLevel == \result) && !(2bv32 == \result)) && waterLevel == tmp) && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning) [2021-10-20 05:31:13,831 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(2bv32 == tmp)) && !(2bv32 == \result)) && \result == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 2bv32 == tmp)) || (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == tmp)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && waterLevel == tmp) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == tmp)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && 0bv32 == tmp)) || ((((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && !(2bv32 == tmp)) && !(2bv32 == \result)) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning) && 0bv32 == tmp)) || ((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && waterLevel == tmp) && \result == 1bv32) && !(waterLevel == 3bv32)) && 2bv32 == \result) && 0bv32 == pumpRunning) && 2bv32 == tmp)) || ((((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && !(2bv32 == tmp)) && waterLevel == \result) && !(2bv32 == \result)) && waterLevel == tmp) && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 0bv32) && !(2bv32 == tmp)) && !(2bv32 == \result)) && \result == 1bv32) && !(waterLevel == 3bv32)) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && \result == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && 0bv32 == pumpRunning) && 0bv32 == tmp) [2021-10-20 05:31:13,832 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(2bv32 == tmp)) && !(2bv32 == \result)) && \result == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 2bv32 == tmp)) || (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == tmp)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && waterLevel == tmp) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == tmp)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && 0bv32 == tmp)) || ((((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && !(2bv32 == tmp)) && !(2bv32 == \result)) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning) && 0bv32 == tmp)) || ((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && waterLevel == tmp) && \result == 1bv32) && !(waterLevel == 3bv32)) && 2bv32 == \result) && 0bv32 == pumpRunning) && 2bv32 == tmp)) || ((((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && !(2bv32 == tmp)) && waterLevel == \result) && !(2bv32 == \result)) && waterLevel == tmp) && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 0bv32) && !(2bv32 == tmp)) && !(2bv32 == \result)) && \result == 1bv32) && !(waterLevel == 3bv32)) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && \result == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && 0bv32 == pumpRunning) && 0bv32 == tmp) [2021-10-20 05:31:13,832 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(2bv32 == tmp)) && !(2bv32 == \result)) && \result == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == tmp)) && (!(2bv32 == \result) || !(waterLevel == 3bv32))) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == tmp)) || (((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == tmp)) && waterLevel == \result) && waterLevel == tmp) && (!(2bv32 == \result) || !(waterLevel == 3bv32))) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && 0bv32 == tmp)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == tmp)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 2bv32 == tmp)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && 0bv32 == tmp) [2021-10-20 05:31:13,833 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && 0bv32 == tmp)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-20 05:31:13,834 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == tmp) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == tmp) && \result == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && 2bv32 == \result) && 1bv32 == \result) && 2bv32 == tmp)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == tmp)) && (!(2bv32 == \result) || !(waterLevel == 3bv32))) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == tmp)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == tmp)) && waterLevel == \result) && waterLevel == tmp) && (!(2bv32 == \result) || !(waterLevel == 3bv32))) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == tmp)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(2bv32 == tmp)) && !(2bv32 == \result)) && \result == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && 0bv32 == tmp) [2021-10-20 05:31:13,835 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && waterLevel == tmp) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == tmp)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == tmp) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && 2bv32 == \result) && 1bv32 == \result) && 2bv32 == tmp)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(2bv32 == tmp)) && !(2bv32 == \result)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == tmp)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && 0bv32 == tmp) [2021-10-20 05:31:13,835 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(waterLevel == 2bv32)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 1bv32 == \result) && 2bv32 == tmp)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == tmp)) && !(2bv32 == \result)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == tmp)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == tmp)) && !(2bv32 == \result)) && !(waterLevel == 2bv32)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && 0bv32 == tmp)) || ((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == tmp) [2021-10-20 05:31:13,835 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == tmp)) && !(2bv32 == \result)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 1bv32 == \result) && 2bv32 == tmp)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(waterLevel == 2bv32)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == tmp)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == tmp)) && !(2bv32 == \result)) && !(waterLevel == 2bv32)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == tmp)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && 0bv32 == tmp)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) [2021-10-20 05:31:13,836 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result)) || (((((splverifierCounter == 0bv32 && waterLevel == \result) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == \result) && \result == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-20 05:31:13,838 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == tmp) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-20 05:31:13,839 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == tmp) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == \result) && waterLevel == tmp) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && waterLevel == tmp) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && 0bv32 == tmp) [2021-10-20 05:31:13,840 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && tmp___0 == 0bv32) && \result == 1bv32) && \result == 0bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == tmp) || ((((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && tmp___0 == 0bv32) && \result == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-20 05:31:13,841 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning [2021-10-20 05:31:13,842 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning [2021-10-20 05:31:13,900 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/witness.graphml [2021-10-20 05:31:13,901 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-20 05:31:13,902 INFO L168 Benchmark]: Toolchain (without parser) took 65326.19 ms. Allocated memory was 60.8 MB in the beginning and 182.5 MB in the end (delta: 121.6 MB). Free memory was 39.7 MB in the beginning and 38.8 MB in the end (delta: 926.3 kB). Peak memory consumption was 121.6 MB. Max. memory is 16.1 GB. [2021-10-20 05:31:13,902 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 60.8 MB. Free memory is still 41.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 05:31:13,903 INFO L168 Benchmark]: CACSL2BoogieTranslator took 693.88 ms. Allocated memory is still 60.8 MB. Free memory was 39.4 MB in the beginning and 29.5 MB in the end (delta: 9.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-20 05:31:13,903 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.01 ms. Allocated memory is still 60.8 MB. Free memory was 29.3 MB in the beginning and 26.1 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-20 05:31:13,904 INFO L168 Benchmark]: Boogie Preprocessor took 62.07 ms. Allocated memory was 60.8 MB in the beginning and 86.0 MB in the end (delta: 25.2 MB). Free memory was 26.1 MB in the beginning and 66.7 MB in the end (delta: -40.6 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. [2021-10-20 05:31:13,904 INFO L168 Benchmark]: RCFGBuilder took 2517.56 ms. Allocated memory is still 86.0 MB. Free memory was 66.7 MB in the beginning and 36.8 MB in the end (delta: 29.9 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. [2021-10-20 05:31:13,904 INFO L168 Benchmark]: TraceAbstraction took 61814.48 ms. Allocated memory was 86.0 MB in the beginning and 182.5 MB in the end (delta: 96.5 MB). Free memory was 36.3 MB in the beginning and 47.2 MB in the end (delta: -10.9 MB). Peak memory consumption was 107.2 MB. Max. memory is 16.1 GB. [2021-10-20 05:31:13,905 INFO L168 Benchmark]: Witness Printer took 139.18 ms. Allocated memory is still 182.5 MB. Free memory was 47.2 MB in the beginning and 38.8 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-20 05:31:13,907 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 60.8 MB. Free memory is still 41.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 693.88 ms. Allocated memory is still 60.8 MB. Free memory was 39.4 MB in the beginning and 29.5 MB in the end (delta: 9.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 90.01 ms. Allocated memory is still 60.8 MB. Free memory was 29.3 MB in the beginning and 26.1 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 62.07 ms. Allocated memory was 60.8 MB in the beginning and 86.0 MB in the end (delta: 25.2 MB). Free memory was 26.1 MB in the beginning and 66.7 MB in the end (delta: -40.6 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2517.56 ms. Allocated memory is still 86.0 MB. Free memory was 66.7 MB in the beginning and 36.8 MB in the end (delta: 29.9 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 61814.48 ms. Allocated memory was 86.0 MB in the beginning and 182.5 MB in the end (delta: 96.5 MB). Free memory was 36.3 MB in the beginning and 47.2 MB in the end (delta: -10.9 MB). Peak memory consumption was 107.2 MB. Max. memory is 16.1 GB. * Witness Printer took 139.18 ms. Allocated memory is still 182.5 MB. Free memory was 47.2 MB in the beginning and 38.8 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 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, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 932]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 932]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 932]: 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, 98 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 61639.8ms, OverallIterations: 14, TraceHistogramMax: 5, EmptinessCheckTime: 55.4ms, AutomataDifference: 19464.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 19425.1ms, InitialAbstractionConstructionTime: 11.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1425 SDtfs, 2905 SDslu, 3861 SDs, 0 SdLazy, 620 SolverSat, 146 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17440.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2901 GetRequests, 2779 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 1399.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=540occurred in iteration=12, InterpolantAutomatonStates: 102, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 506.5ms AutomataMinimizationTime, 14 MinimizatonAttempts, 1281 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 396 NumberOfFragments, 2787 HoareAnnotationTreeSize, 45 FomulaSimplifications, 1761391 FormulaSimplificationTreeSizeReduction, 3559.3ms HoareSimplificationTime, 45 FomulaSimplificationsInter, 743738 FormulaSimplificationTreeSizeReductionInter, 15847.9ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 537.8ms SsaConstructionTime, 2297.0ms SatisfiabilityAnalysisTime, 8983.1ms InterpolantComputationTime, 1435 NumberOfCodeBlocks, 1435 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 2828 ConstructedInterpolants, 0 QuantifiedInterpolants, 5101 SizeOfPredicates, 61 NumberOfNonLiveVariables, 5512 ConjunctsInSsa, 109 ConjunctsInUnsatCore, 42 InterpolantComputations, 23 PerfectInterpolantSequences, 2704/2866 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: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: (((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == tmp) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == tmp) && \result == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && 2bv32 == \result) && 1bv32 == \result) && 2bv32 == tmp)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == tmp)) && (!(2bv32 == \result) || !(waterLevel == 3bv32))) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == tmp)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == tmp)) && waterLevel == \result) && waterLevel == tmp) && (!(2bv32 == \result) || !(waterLevel == 3bv32))) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == tmp)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(2bv32 == tmp)) && !(2bv32 == \result)) && \result == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && 0bv32 == tmp) - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: ((((((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(2bv32 == tmp)) && !(2bv32 == \result)) && \result == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 2bv32 == tmp)) || (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == tmp)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && waterLevel == tmp) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == tmp)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && 0bv32 == tmp)) || ((((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && !(2bv32 == tmp)) && !(2bv32 == \result)) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning) && 0bv32 == tmp)) || ((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && waterLevel == tmp) && \result == 1bv32) && !(waterLevel == 3bv32)) && 2bv32 == \result) && 0bv32 == pumpRunning) && 2bv32 == tmp)) || ((((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && !(2bv32 == tmp)) && waterLevel == \result) && !(2bv32 == \result)) && waterLevel == tmp) && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 0bv32) && !(2bv32 == tmp)) && !(2bv32 == \result)) && \result == 1bv32) && !(waterLevel == 3bv32)) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && \result == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && 0bv32 == pumpRunning) && 0bv32 == tmp) - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 885]: Loop Invariant Derived loop invariant: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 732]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == tmp) && \result == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning) && 2bv32 == tmp) || ((((((splverifierCounter == 0bv32 && waterLevel == tmp) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 0bv32 == pumpRunning) && 2bv32 == tmp)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == tmp)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && waterLevel == tmp) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == tmp)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == tmp) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 2bv32 == tmp)) || ((((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && !(2bv32 == tmp)) && !(2bv32 == \result)) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning) && 0bv32 == tmp)) || ((((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && !(2bv32 == tmp)) && waterLevel == \result) && !(2bv32 == \result)) && waterLevel == tmp) && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: ((((((((((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == tmp)) && !(2bv32 == \result)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 1bv32 == \result) && 2bv32 == tmp)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(waterLevel == 2bv32)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == tmp)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == tmp)) && !(2bv32 == \result)) && !(waterLevel == 2bv32)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == tmp)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && 0bv32 == tmp)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 623]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 623]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == tmp) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == \result) && waterLevel == tmp) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && waterLevel == tmp) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && 0bv32 == tmp) - InvariantResult [Line: 536]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 914]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 536]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: (((((((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && tmp___0 == 0bv32) && \result == 1bv32) && \result == 0bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == tmp) || ((((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && tmp___0 == 0bv32) && \result == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning - InvariantResult [Line: 820]: Loop Invariant Derived loop invariant: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: ((((((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(2bv32 == tmp)) && !(2bv32 == \result)) && \result == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 2bv32 == tmp)) || (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == tmp)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && waterLevel == tmp) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == tmp)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && 0bv32 == tmp)) || ((((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && !(2bv32 == tmp)) && !(2bv32 == \result)) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning) && 0bv32 == tmp)) || ((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && waterLevel == tmp) && \result == 1bv32) && !(waterLevel == 3bv32)) && 2bv32 == \result) && 0bv32 == pumpRunning) && 2bv32 == tmp)) || ((((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && !(2bv32 == tmp)) && waterLevel == \result) && !(2bv32 == \result)) && waterLevel == tmp) && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 0bv32) && !(2bv32 == tmp)) && !(2bv32 == \result)) && \result == 1bv32) && !(waterLevel == 3bv32)) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && \result == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && 0bv32 == pumpRunning) && 0bv32 == tmp) - InvariantResult [Line: 623]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(2bv32 == tmp)) && !(2bv32 == \result)) && \result == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == tmp)) && (!(2bv32 == \result) || !(waterLevel == 3bv32))) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == tmp)) || (((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == tmp)) && waterLevel == \result) && waterLevel == tmp) && (!(2bv32 == \result) || !(waterLevel == 3bv32))) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && 0bv32 == tmp)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == tmp)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 2bv32 == tmp)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && 0bv32 == tmp) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: (((((((((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result)) || (((((splverifierCounter == 0bv32 && waterLevel == \result) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == \result) && \result == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == tmp) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && 0bv32 == tmp)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 536]: Loop Invariant Derived loop invariant: (((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && waterLevel == tmp) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == tmp)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == tmp) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && 2bv32 == \result) && 1bv32 == \result) && 2bv32 == tmp)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(2bv32 == tmp)) && !(2bv32 == \result)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == tmp)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && 0bv32 == tmp) - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: ((((((((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(waterLevel == 2bv32)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 1bv32 == \result) && 2bv32 == tmp)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == tmp)) && !(2bv32 == \result)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == tmp)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == tmp)) && !(2bv32 == \result)) && !(waterLevel == 2bv32)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && 0bv32 == tmp)) || ((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == tmp) - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-20 05:31:13,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df28a310-bf38-438f-b94e-5bb1f6c4e996/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...