./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product37.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_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product37.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE --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 3ab30b3db91b0e47e6f9b2ed9ba465facc49148e5cdc1cad78e4808ba0c7de84 ............................................................................................................................................ 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_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product37.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE --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 3ab30b3db91b0e47e6f9b2ed9ba465facc49148e5cdc1cad78e4808ba0c7de84 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 10:45:14,971 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:45:14,974 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:45:15,026 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:45:15,027 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:45:15,029 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:45:15,031 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:45:15,033 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:45:15,035 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:45:15,037 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:45:15,038 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:45:15,040 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:45:15,040 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:45:15,041 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:45:15,043 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:45:15,045 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:45:15,046 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:45:15,047 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:45:15,050 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:45:15,053 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:45:15,055 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:45:15,057 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:45:15,059 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:45:15,060 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:45:15,064 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:45:15,065 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:45:15,065 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:45:15,066 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:45:15,067 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:45:15,069 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:45:15,069 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:45:15,070 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:45:15,071 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:45:15,072 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:45:15,074 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:45:15,074 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:45:15,075 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:45:15,076 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:45:15,076 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:45:15,077 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:45:15,078 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:45:15,079 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 10:45:15,106 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:45:15,106 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:45:15,107 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:45:15,108 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:45:15,108 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:45:15,109 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:45:15,109 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 10:45:15,110 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:45:15,110 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:45:15,110 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 10:45:15,111 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 10:45:15,111 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:45:15,112 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 10:45:15,112 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 10:45:15,113 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 10:45:15,114 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:45:15,114 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:45:15,115 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 10:45:15,115 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:45:15,116 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:45:15,116 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:45:15,117 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:45:15,117 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:45:15,117 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:45:15,118 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:45:15,118 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:45:15,118 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:45:15,118 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:45:15,119 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:45:15,119 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:45:15,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:45:15,120 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:45:15,120 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:45:15,120 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:45:15,121 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 10:45:15,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 10:45:15,121 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:45:15,122 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:45:15,122 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:45:15,122 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_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ab30b3db91b0e47e6f9b2ed9ba465facc49148e5cdc1cad78e4808ba0c7de84 [2021-10-24 10:45:15,399 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:45:15,426 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:45:15,428 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:45:15,430 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:45:15,430 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:45:15,431 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec5_product37.cil.c [2021-10-24 10:45:15,505 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/data/15156ec07/c27371dcf90b4d0289ec520a9a3a06f7/FLAGd15e75bd3 [2021-10-24 10:45:16,026 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:45:16,027 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/sv-benchmarks/c/product-lines/minepump_spec5_product37.cil.c [2021-10-24 10:45:16,049 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/data/15156ec07/c27371dcf90b4d0289ec520a9a3a06f7/FLAGd15e75bd3 [2021-10-24 10:45:16,326 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/data/15156ec07/c27371dcf90b4d0289ec520a9a3a06f7 [2021-10-24 10:45:16,328 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:45:16,330 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:45:16,331 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:45:16,332 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:45:16,334 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:45:16,335 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:45:16" (1/1) ... [2021-10-24 10:45:16,336 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5464deac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:45:16, skipping insertion in model container [2021-10-24 10:45:16,337 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:45:16" (1/1) ... [2021-10-24 10:45:16,343 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:45:16,389 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:45:16,590 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_2127afa7-a8fb-4533-ad12-472cc8623e9c/sv-benchmarks/c/product-lines/minepump_spec5_product37.cil.c[5071,5084] [2021-10-24 10:45:16,675 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:45:16,686 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) [2021-10-24 10:45:16,687 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@11eb008c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:45:16, skipping insertion in model container [2021-10-24 10:45:16,687 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:45:16,688 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 10:45:16,690 INFO L168 Benchmark]: Toolchain (without parser) took 358.67 ms. Allocated memory was 86.0 MB in the beginning and 117.4 MB in the end (delta: 31.5 MB). Free memory was 48.1 MB in the beginning and 90.0 MB in the end (delta: -42.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:45:16,691 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 86.0 MB. Free memory is still 65.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:45:16,692 INFO L168 Benchmark]: CACSL2BoogieTranslator took 356.14 ms. Allocated memory was 86.0 MB in the beginning and 117.4 MB in the end (delta: 31.5 MB). Free memory was 47.9 MB in the beginning and 90.0 MB in the end (delta: -42.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:45:16,694 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 86.0 MB. Free memory is still 65.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 356.14 ms. Allocated memory was 86.0 MB in the beginning and 117.4 MB in the end (delta: 31.5 MB). Free memory was 47.9 MB in the beginning and 90.0 MB in the end (delta: -42.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 625]: 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 [2021-10-24 10:45:18,938 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:45:18,942 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:45:18,978 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:45:18,979 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:45:18,980 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:45:18,982 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:45:18,984 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:45:18,986 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:45:18,987 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:45:18,988 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:45:18,990 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:45:18,990 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:45:18,992 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:45:18,993 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:45:18,995 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:45:18,996 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:45:18,997 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:45:18,999 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:45:19,003 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:45:19,005 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:45:19,006 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:45:19,007 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:45:19,008 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:45:19,012 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:45:19,012 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:45:19,013 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:45:19,014 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:45:19,014 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:45:19,015 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:45:19,016 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:45:19,017 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:45:19,017 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:45:19,018 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:45:19,020 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:45:19,020 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:45:19,021 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:45:19,021 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:45:19,021 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:45:19,023 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:45:19,023 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:45:19,031 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 10:45:19,078 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:45:19,078 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:45:19,080 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:45:19,080 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:45:19,080 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:45:19,080 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:45:19,080 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:45:19,081 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:45:19,081 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:45:19,082 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:45:19,083 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:45:19,084 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:45:19,084 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:45:19,084 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:45:19,084 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:45:19,084 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:45:19,084 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:45:19,085 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 10:45:19,085 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 10:45:19,085 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:45:19,085 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:45:19,085 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:45:19,086 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:45:19,086 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:45:19,086 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 10:45:19,086 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:45:19,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:45:19,087 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:45:19,087 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:45:19,087 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:45:19,087 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 10:45:19,087 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 10:45:19,088 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:45:19,088 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:45:19,088 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:45:19,088 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_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ab30b3db91b0e47e6f9b2ed9ba465facc49148e5cdc1cad78e4808ba0c7de84 [2021-10-24 10:45:19,478 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:45:19,505 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:45:19,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:45:19,510 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:45:19,510 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:45:19,513 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec5_product37.cil.c [2021-10-24 10:45:19,590 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/data/78ae4bc5d/eb279199f2094002a4fe92e690f8c232/FLAG030aed05c [2021-10-24 10:45:20,181 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:45:20,182 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/sv-benchmarks/c/product-lines/minepump_spec5_product37.cil.c [2021-10-24 10:45:20,199 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/data/78ae4bc5d/eb279199f2094002a4fe92e690f8c232/FLAG030aed05c [2021-10-24 10:45:20,453 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/data/78ae4bc5d/eb279199f2094002a4fe92e690f8c232 [2021-10-24 10:45:20,461 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:45:20,464 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:45:20,466 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:45:20,467 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:45:20,470 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:45:20,471 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:45:20" (1/1) ... [2021-10-24 10:45:20,473 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30028125 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:45:20, skipping insertion in model container [2021-10-24 10:45:20,473 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:45:20" (1/1) ... [2021-10-24 10:45:20,481 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:45:20,546 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:45:20,757 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_2127afa7-a8fb-4533-ad12-472cc8623e9c/sv-benchmarks/c/product-lines/minepump_spec5_product37.cil.c[5071,5084] [2021-10-24 10:45:20,917 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:45:20,940 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 10:45:20,947 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:45:20,982 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_2127afa7-a8fb-4533-ad12-472cc8623e9c/sv-benchmarks/c/product-lines/minepump_spec5_product37.cil.c[5071,5084] [2021-10-24 10:45:21,021 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:45:21,026 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 10:45:21,048 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_2127afa7-a8fb-4533-ad12-472cc8623e9c/sv-benchmarks/c/product-lines/minepump_spec5_product37.cil.c[5071,5084] [2021-10-24 10:45:21,108 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:45:21,140 INFO L208 MainTranslator]: Completed translation [2021-10-24 10:45:21,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:45:21 WrapperNode [2021-10-24 10:45:21,141 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:45:21,143 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 10:45:21,144 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 10:45:21,144 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 10:45:21,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:45:21" (1/1) ... [2021-10-24 10:45:21,181 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:45:21" (1/1) ... [2021-10-24 10:45:21,249 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 10:45:21,255 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 10:45:21,255 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 10:45:21,256 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 10:45:21,274 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:45:21" (1/1) ... [2021-10-24 10:45:21,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:45:21" (1/1) ... [2021-10-24 10:45:21,279 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:45:21" (1/1) ... [2021-10-24 10:45:21,280 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:45:21" (1/1) ... [2021-10-24 10:45:21,294 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:45:21" (1/1) ... [2021-10-24 10:45:21,303 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:45:21" (1/1) ... [2021-10-24 10:45:21,316 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:45:21" (1/1) ... [2021-10-24 10:45:21,321 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 10:45:21,322 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 10:45:21,322 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 10:45:21,322 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 10:45:21,323 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:45:21" (1/1) ... [2021-10-24 10:45:21,339 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:45:21,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:45:21,373 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 10:45:21,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 10:45:21,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 10:45:21,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 10:45:21,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 10:45:21,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 10:45:23,630 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 10:45:23,634 INFO L299 CfgBuilder]: Removed 170 assume(true) statements. [2021-10-24 10:45:23,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:45:23 BoogieIcfgContainer [2021-10-24 10:45:23,637 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 10:45:23,639 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 10:45:23,640 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 10:45:23,643 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 10:45:23,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:45:20" (1/3) ... [2021-10-24 10:45:23,644 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d03cd39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:45:23, skipping insertion in model container [2021-10-24 10:45:23,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:45:21" (2/3) ... [2021-10-24 10:45:23,645 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d03cd39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:45:23, skipping insertion in model container [2021-10-24 10:45:23,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:45:23" (3/3) ... [2021-10-24 10:45:23,647 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product37.cil.c [2021-10-24 10:45:23,652 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 10:45:23,652 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-24 10:45:23,714 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 10:45:23,722 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 [2021-10-24 10:45:23,722 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-24 10:45:23,745 INFO L276 IsEmpty]: Start isEmpty. Operand has 120 states, 116 states have (on average 1.5517241379310345) internal successors, (180), 119 states have internal predecessors, (180), 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) [2021-10-24 10:45:23,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-24 10:45:23,765 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:45:23,766 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:45:23,767 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:45:23,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:45:23,773 INFO L82 PathProgramCache]: Analyzing trace with hash -2044768007, now seen corresponding path program 1 times [2021-10-24 10:45:23,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:45:23,789 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1202218759] [2021-10-24 10:45:23,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:45:23,790 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:45:23,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:45:23,796 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:45:23,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 10:45:24,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:45:24,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-24 10:45:24,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:45:24,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:45:24,156 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:45:24,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:45:24,233 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:45:24,233 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1202218759] [2021-10-24 10:45:24,234 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1202218759] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:45:24,234 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:45:24,234 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 10:45:24,236 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578944996] [2021-10-24 10:45:24,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 10:45:24,241 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:45:24,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 10:45:24,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:45:24,256 INFO L87 Difference]: Start difference. First operand has 120 states, 116 states have (on average 1.5517241379310345) internal successors, (180), 119 states have internal predecessors, (180), 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) [2021-10-24 10:45:24,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:45:24,285 INFO L93 Difference]: Finished difference Result 233 states and 352 transitions. [2021-10-24 10:45:24,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 10:45:24,286 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 [2021-10-24 10:45:24,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:45:24,301 INFO L225 Difference]: With dead ends: 233 [2021-10-24 10:45:24,301 INFO L226 Difference]: Without dead ends: 116 [2021-10-24 10:45:24,304 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:45:24,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2021-10-24 10:45:24,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2021-10-24 10:45:24,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 113 states have (on average 1.4867256637168142) internal successors, (168), 115 states have internal predecessors, (168), 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) [2021-10-24 10:45:24,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 168 transitions. [2021-10-24 10:45:24,345 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 168 transitions. Word has length 19 [2021-10-24 10:45:24,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:45:24,346 INFO L470 AbstractCegarLoop]: Abstraction has 116 states and 168 transitions. [2021-10-24 10:45:24,346 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) [2021-10-24 10:45:24,346 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 168 transitions. [2021-10-24 10:45:24,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-24 10:45:24,348 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:45:24,348 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] [2021-10-24 10:45:24,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-24 10:45:24,550 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:45:24,551 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:45:24,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:45:24,552 INFO L82 PathProgramCache]: Analyzing trace with hash -238748454, now seen corresponding path program 1 times [2021-10-24 10:45:24,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:45:24,553 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [798720545] [2021-10-24 10:45:24,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:45:24,553 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:45:24,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:45:24,554 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:45:24,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 10:45:24,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:45:24,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:45:24,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:45:24,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:45:24,853 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:45:24,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:45:24,925 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:45:24,925 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [798720545] [2021-10-24 10:45:24,926 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [798720545] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:45:24,926 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:45:24,926 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 10:45:24,926 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597946660] [2021-10-24 10:45:24,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:45:24,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:45:24,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:45:24,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:45:24,941 INFO L87 Difference]: Start difference. First operand 116 states and 168 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) [2021-10-24 10:45:24,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:45:24,955 INFO L93 Difference]: Finished difference Result 116 states and 168 transitions. [2021-10-24 10:45:24,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:45:24,955 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 [2021-10-24 10:45:24,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:45:24,956 INFO L225 Difference]: With dead ends: 116 [2021-10-24 10:45:24,956 INFO L226 Difference]: Without dead ends: 49 [2021-10-24 10:45:24,957 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:45:24,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-10-24 10:45:24,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-10-24 10:45:24,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.4583333333333333) internal successors, (70), 48 states have internal predecessors, (70), 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) [2021-10-24 10:45:24,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2021-10-24 10:45:24,963 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 20 [2021-10-24 10:45:24,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:45:24,964 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2021-10-24 10:45:24,964 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) [2021-10-24 10:45:24,964 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2021-10-24 10:45:24,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-24 10:45:24,965 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:45:24,965 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] [2021-10-24 10:45:24,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-24 10:45:25,177 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:45:25,179 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:45:25,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:45:25,180 INFO L82 PathProgramCache]: Analyzing trace with hash 2013244568, now seen corresponding path program 1 times [2021-10-24 10:45:25,181 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:45:25,181 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1849097240] [2021-10-24 10:45:25,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:45:25,182 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:45:25,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:45:25,186 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:45:25,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-24 10:45:25,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:45:25,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:45:25,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:45:25,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:45:25,556 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:45:25,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:45:25,723 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:45:25,723 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1849097240] [2021-10-24 10:45:25,723 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1849097240] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:45:25,723 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:45:25,724 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-24 10:45:25,724 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415339715] [2021-10-24 10:45:25,724 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:45:25,724 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:45:25,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:45:25,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:45:25,725 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 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) [2021-10-24 10:45:25,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:45:25,734 INFO L93 Difference]: Finished difference Result 91 states and 133 transitions. [2021-10-24 10:45:25,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:45:25,735 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 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 [2021-10-24 10:45:25,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:45:25,736 INFO L225 Difference]: With dead ends: 91 [2021-10-24 10:45:25,736 INFO L226 Difference]: Without dead ends: 49 [2021-10-24 10:45:25,737 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.2ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:45:25,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-10-24 10:45:25,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-10-24 10:45:25,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.4375) internal successors, (69), 48 states have internal predecessors, (69), 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) [2021-10-24 10:45:25,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 69 transitions. [2021-10-24 10:45:25,743 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 69 transitions. Word has length 26 [2021-10-24 10:45:25,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:45:25,743 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 69 transitions. [2021-10-24 10:45:25,744 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 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) [2021-10-24 10:45:25,744 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 69 transitions. [2021-10-24 10:45:25,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-24 10:45:25,756 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:45:25,756 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] [2021-10-24 10:45:25,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-24 10:45:25,970 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:45:25,971 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:45:25,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:45:25,971 INFO L82 PathProgramCache]: Analyzing trace with hash -997731729, now seen corresponding path program 1 times [2021-10-24 10:45:25,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:45:25,972 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2076329020] [2021-10-24 10:45:25,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:45:25,973 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:45:25,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:45:25,974 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:45:25,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-24 10:45:26,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:45:26,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:45:26,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:45:26,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:45:26,278 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:45:26,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:45:26,360 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:45:26,360 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2076329020] [2021-10-24 10:45:26,360 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2076329020] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:45:26,360 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:45:26,361 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-24 10:45:26,361 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957349939] [2021-10-24 10:45:26,361 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 10:45:26,361 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:45:26,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 10:45:26,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:45:26,362 INFO L87 Difference]: Start difference. First operand 49 states and 69 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2021-10-24 10:45:26,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:45:26,437 INFO L93 Difference]: Finished difference Result 115 states and 165 transitions. [2021-10-24 10:45:26,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:45:26,437 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 28 [2021-10-24 10:45:26,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:45:26,438 INFO L225 Difference]: With dead ends: 115 [2021-10-24 10:45:26,439 INFO L226 Difference]: Without dead ends: 73 [2021-10-24 10:45:26,439 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:45:26,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-10-24 10:45:26,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 71. [2021-10-24 10:45:26,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 70 states have (on average 1.4142857142857144) internal successors, (99), 70 states have internal predecessors, (99), 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) [2021-10-24 10:45:26,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2021-10-24 10:45:26,451 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 28 [2021-10-24 10:45:26,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:45:26,451 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2021-10-24 10:45:26,451 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2021-10-24 10:45:26,451 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2021-10-24 10:45:26,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-24 10:45:26,452 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:45:26,452 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] [2021-10-24 10:45:26,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-10-24 10:45:26,660 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:45:26,661 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:45:26,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:45:26,661 INFO L82 PathProgramCache]: Analyzing trace with hash -1921834210, now seen corresponding path program 1 times [2021-10-24 10:45:26,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:45:26,662 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [398634707] [2021-10-24 10:45:26,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:45:26,662 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:45:26,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:45:26,663 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:45:26,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-24 10:45:26,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:45:26,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:45:26,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:45:26,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:45:26,957 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:45:27,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:45:27,048 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:45:27,048 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [398634707] [2021-10-24 10:45:27,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [398634707] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:45:27,049 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:45:27,049 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 10:45:27,049 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134613321] [2021-10-24 10:45:27,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:45:27,050 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:45:27,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:45:27,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 10:45:27,051 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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) [2021-10-24 10:45:27,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:45:27,146 INFO L93 Difference]: Finished difference Result 190 states and 264 transitions. [2021-10-24 10:45:27,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 10:45:27,147 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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 34 [2021-10-24 10:45:27,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:45:27,148 INFO L225 Difference]: With dead ends: 190 [2021-10-24 10:45:27,148 INFO L226 Difference]: Without dead ends: 126 [2021-10-24 10:45:27,149 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 46.4ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 10:45:27,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2021-10-24 10:45:27,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 77. [2021-10-24 10:45:27,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 76 states have (on average 1.381578947368421) internal successors, (105), 76 states have internal predecessors, (105), 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) [2021-10-24 10:45:27,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 105 transitions. [2021-10-24 10:45:27,162 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 105 transitions. Word has length 34 [2021-10-24 10:45:27,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:45:27,162 INFO L470 AbstractCegarLoop]: Abstraction has 77 states and 105 transitions. [2021-10-24 10:45:27,163 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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) [2021-10-24 10:45:27,163 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 105 transitions. [2021-10-24 10:45:27,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-24 10:45:27,164 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:45:27,164 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] [2021-10-24 10:45:27,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-24 10:45:27,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:45:27,383 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:45:27,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:45:27,384 INFO L82 PathProgramCache]: Analyzing trace with hash -988370501, now seen corresponding path program 1 times [2021-10-24 10:45:27,384 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:45:27,385 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [719131875] [2021-10-24 10:45:27,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:45:27,385 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:45:27,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:45:27,386 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:45:27,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-24 10:45:27,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:45:27,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:45:27,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:45:27,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:45:27,748 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:45:27,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:45:27,819 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:45:27,819 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [719131875] [2021-10-24 10:45:27,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [719131875] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:45:27,821 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:45:27,821 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 10:45:27,821 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948341907] [2021-10-24 10:45:27,822 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:45:27,822 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:45:27,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:45:27,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 10:45:27,824 INFO L87 Difference]: Start difference. First operand 77 states and 105 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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) [2021-10-24 10:45:27,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:45:27,975 INFO L93 Difference]: Finished difference Result 260 states and 358 transitions. [2021-10-24 10:45:27,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-24 10:45:27,975 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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 34 [2021-10-24 10:45:27,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:45:27,977 INFO L225 Difference]: With dead ends: 260 [2021-10-24 10:45:27,977 INFO L226 Difference]: Without dead ends: 190 [2021-10-24 10:45:27,977 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 44.5ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-24 10:45:27,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2021-10-24 10:45:27,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 76. [2021-10-24 10:45:27,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 75 states have (on average 1.36) internal successors, (102), 75 states have internal predecessors, (102), 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) [2021-10-24 10:45:27,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 102 transitions. [2021-10-24 10:45:27,990 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 102 transitions. Word has length 34 [2021-10-24 10:45:27,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:45:27,990 INFO L470 AbstractCegarLoop]: Abstraction has 76 states and 102 transitions. [2021-10-24 10:45:27,991 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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) [2021-10-24 10:45:27,991 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 102 transitions. [2021-10-24 10:45:27,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-24 10:45:27,992 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:45:27,992 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] [2021-10-24 10:45:28,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-24 10:45:28,208 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:45:28,209 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:45:28,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:45:28,209 INFO L82 PathProgramCache]: Analyzing trace with hash -1220769632, now seen corresponding path program 1 times [2021-10-24 10:45:28,210 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:45:28,210 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1251479234] [2021-10-24 10:45:28,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:45:28,210 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:45:28,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:45:28,211 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:45:28,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-24 10:45:28,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:45:28,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-24 10:45:28,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:45:28,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:45:28,550 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:45:28,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:45:28,628 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:45:28,628 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1251479234] [2021-10-24 10:45:28,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1251479234] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:45:28,629 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:45:28,629 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-24 10:45:28,629 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352621928] [2021-10-24 10:45:28,630 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-24 10:45:28,630 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:45:28,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-24 10:45:28,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-24 10:45:28,631 INFO L87 Difference]: Start difference. First operand 76 states and 102 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 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) [2021-10-24 10:45:28,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:45:28,684 INFO L93 Difference]: Finished difference Result 199 states and 267 transitions. [2021-10-24 10:45:28,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 10:45:28,684 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 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 34 [2021-10-24 10:45:28,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:45:28,686 INFO L225 Difference]: With dead ends: 199 [2021-10-24 10:45:28,686 INFO L226 Difference]: Without dead ends: 130 [2021-10-24 10:45:28,687 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 23.2ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 10:45:28,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2021-10-24 10:45:28,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 80. [2021-10-24 10:45:28,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 79 states have (on average 1.3417721518987342) internal successors, (106), 79 states have internal predecessors, (106), 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) [2021-10-24 10:45:28,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 106 transitions. [2021-10-24 10:45:28,698 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 106 transitions. Word has length 34 [2021-10-24 10:45:28,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:45:28,699 INFO L470 AbstractCegarLoop]: Abstraction has 80 states and 106 transitions. [2021-10-24 10:45:28,699 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 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) [2021-10-24 10:45:28,699 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 106 transitions. [2021-10-24 10:45:28,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-24 10:45:28,700 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:45:28,700 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] [2021-10-24 10:45:28,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-24 10:45:28,913 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:45:28,913 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:45:28,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:45:28,914 INFO L82 PathProgramCache]: Analyzing trace with hash -1807575646, now seen corresponding path program 1 times [2021-10-24 10:45:28,915 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:45:28,915 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2056950634] [2021-10-24 10:45:28,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:45:28,915 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:45:28,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:45:28,916 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:45:28,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-24 10:45:29,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:45:29,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:45:29,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:45:29,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:45:29,306 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:45:29,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:45:29,426 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:45:29,427 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2056950634] [2021-10-24 10:45:29,427 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2056950634] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:45:29,427 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:45:29,428 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-24 10:45:29,428 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027132054] [2021-10-24 10:45:29,428 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:45:29,428 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:45:29,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:45:29,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:45:29,429 INFO L87 Difference]: Start difference. First operand 80 states and 106 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 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) [2021-10-24 10:45:29,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:45:29,486 INFO L93 Difference]: Finished difference Result 240 states and 322 transitions. [2021-10-24 10:45:29,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 10:45:29,487 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 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 34 [2021-10-24 10:45:29,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:45:29,488 INFO L225 Difference]: With dead ends: 240 [2021-10-24 10:45:29,489 INFO L226 Difference]: Without dead ends: 167 [2021-10-24 10:45:29,489 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:45:29,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2021-10-24 10:45:29,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 137. [2021-10-24 10:45:29,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 136 states have (on average 1.338235294117647) internal successors, (182), 136 states have internal predecessors, (182), 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) [2021-10-24 10:45:29,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 182 transitions. [2021-10-24 10:45:29,505 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 182 transitions. Word has length 34 [2021-10-24 10:45:29,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:45:29,506 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 182 transitions. [2021-10-24 10:45:29,506 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 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) [2021-10-24 10:45:29,506 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 182 transitions. [2021-10-24 10:45:29,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-24 10:45:29,508 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:45:29,508 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] [2021-10-24 10:45:29,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-24 10:45:29,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:45:29,720 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:45:29,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:45:29,720 INFO L82 PathProgramCache]: Analyzing trace with hash 1091445474, now seen corresponding path program 1 times [2021-10-24 10:45:29,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:45:29,721 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1662697867] [2021-10-24 10:45:29,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:45:29,721 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:45:29,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:45:29,722 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:45:29,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-24 10:45:30,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:45:30,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-24 10:45:30,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:45:30,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:45:30,165 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:45:30,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:45:30,324 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:45:30,324 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1662697867] [2021-10-24 10:45:30,324 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1662697867] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:45:30,324 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:45:30,325 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 10:45:30,325 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200983052] [2021-10-24 10:45:30,325 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-24 10:45:30,325 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:45:30,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-24 10:45:30,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-24 10:45:30,326 INFO L87 Difference]: Start difference. First operand 137 states and 182 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:45:31,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:45:31,869 INFO L93 Difference]: Finished difference Result 669 states and 899 transitions. [2021-10-24 10:45:31,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-24 10:45:31,869 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-10-24 10:45:31,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:45:31,873 INFO L225 Difference]: With dead ends: 669 [2021-10-24 10:45:31,873 INFO L226 Difference]: Without dead ends: 539 [2021-10-24 10:45:31,874 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 62.0ms TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2021-10-24 10:45:31,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2021-10-24 10:45:31,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 245. [2021-10-24 10:45:31,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 244 states have (on average 1.3155737704918034) internal successors, (321), 244 states have internal predecessors, (321), 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) [2021-10-24 10:45:31,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 321 transitions. [2021-10-24 10:45:31,913 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 321 transitions. Word has length 35 [2021-10-24 10:45:31,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:45:31,915 INFO L470 AbstractCegarLoop]: Abstraction has 245 states and 321 transitions. [2021-10-24 10:45:31,915 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:45:31,915 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 321 transitions. [2021-10-24 10:45:31,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-24 10:45:31,920 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:45:31,921 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, 1, 1] [2021-10-24 10:45:31,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-24 10:45:32,133 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:45:32,133 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:45:32,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:45:32,133 INFO L82 PathProgramCache]: Analyzing trace with hash -365209503, now seen corresponding path program 1 times [2021-10-24 10:45:32,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:45:32,134 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1472760206] [2021-10-24 10:45:32,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:45:32,134 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:45:32,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:45:32,135 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:45:32,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-24 10:45:32,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:45:32,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:45:32,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:45:32,616 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:45:32,617 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:45:32,799 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:45:32,799 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:45:32,799 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1472760206] [2021-10-24 10:45:32,799 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1472760206] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:45:32,799 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [349418160] [2021-10-24 10:45:32,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:45:32,800 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 10:45:32,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 10:45:32,804 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 10:45:32,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2021-10-24 10:45:33,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:45:33,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-24 10:45:33,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:45:33,359 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:45:33,359 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:45:33,516 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:45:33,517 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [349418160] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:45:33,517 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [823291783] [2021-10-24 10:45:33,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:45:33,517 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-24 10:45:33,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:45:33,519 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-24 10:45:33,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-10-24 10:45:33,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:45:33,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:45:33,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:45:34,011 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:45:34,011 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:45:34,161 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:45:34,161 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [823291783] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:45:34,161 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-24 10:45:34,162 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 8 [2021-10-24 10:45:34,162 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336789843] [2021-10-24 10:45:34,163 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 10:45:34,163 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:45:34,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 10:45:34,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-24 10:45:34,164 INFO L87 Difference]: Start difference. First operand 245 states and 321 transitions. Second operand has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 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) [2021-10-24 10:45:36,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:45:36,910 INFO L93 Difference]: Finished difference Result 619 states and 836 transitions. [2021-10-24 10:45:36,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-24 10:45:36,910 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-24 10:45:36,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:45:36,913 INFO L225 Difference]: With dead ends: 619 [2021-10-24 10:45:36,913 INFO L226 Difference]: Without dead ends: 381 [2021-10-24 10:45:36,914 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 328 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 72.2ms TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2021-10-24 10:45:36,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2021-10-24 10:45:36,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 230. [2021-10-24 10:45:36,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 229 states have (on average 1.279475982532751) internal successors, (293), 229 states have internal predecessors, (293), 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) [2021-10-24 10:45:36,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 293 transitions. [2021-10-24 10:45:36,945 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 293 transitions. Word has length 56 [2021-10-24 10:45:36,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:45:36,945 INFO L470 AbstractCegarLoop]: Abstraction has 230 states and 293 transitions. [2021-10-24 10:45:36,945 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 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) [2021-10-24 10:45:36,946 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 293 transitions. [2021-10-24 10:45:36,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-10-24 10:45:36,947 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:45:36,947 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-10-24 10:45:36,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-24 10:45:37,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2021-10-24 10:45:37,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-10-24 10:45:37,561 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-24 10:45:37,562 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:45:37,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:45:37,562 INFO L82 PathProgramCache]: Analyzing trace with hash 607108781, now seen corresponding path program 1 times [2021-10-24 10:45:37,563 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:45:37,563 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1500960074] [2021-10-24 10:45:37,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:45:37,563 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:45:37,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:45:37,564 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:45:37,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-10-24 10:45:37,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:45:37,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-24 10:45:37,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:45:38,301 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 75 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-10-24 10:45:38,302 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:45:38,658 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 75 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-10-24 10:45:38,658 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:45:38,658 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1500960074] [2021-10-24 10:45:38,658 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1500960074] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:45:38,658 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1226702349] [2021-10-24 10:45:38,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:45:38,658 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 10:45:38,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 10:45:38,661 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 10:45:38,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2021-10-24 10:45:39,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:45:39,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-24 10:45:39,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:45:39,518 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 58 proven. 3 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-10-24 10:45:39,518 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:45:39,836 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 58 proven. 3 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-10-24 10:45:39,837 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1226702349] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:45:39,837 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1320129951] [2021-10-24 10:45:39,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:45:39,837 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-24 10:45:39,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:45:39,841 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-24 10:45:39,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-10-24 10:45:40,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:45:40,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-24 10:45:40,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:45:40,584 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 89 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-10-24 10:45:40,584 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:45:40,916 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-10-24 10:45:40,917 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1320129951] provided 1 perfect and 1 imperfect interpolant sequences [2021-10-24 10:45:40,917 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 5 imperfect interpolant sequences. [2021-10-24 10:45:40,917 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5, 5, 5, 5, 8] total 18 [2021-10-24 10:45:40,917 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197028434] [2021-10-24 10:45:40,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 10:45:40,918 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:45:40,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 10:45:40,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2021-10-24 10:45:40,919 INFO L87 Difference]: Start difference. First operand 230 states and 293 transitions. Second operand has 8 states, 8 states have (on average 10.75) internal successors, (86), 8 states have internal predecessors, (86), 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) [2021-10-24 10:45:41,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:45:41,462 INFO L93 Difference]: Finished difference Result 937 states and 1202 transitions. [2021-10-24 10:45:41,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-24 10:45:41,463 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 8 states have internal predecessors, (86), 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 [2021-10-24 10:45:41,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:45:41,469 INFO L225 Difference]: With dead ends: 937 [2021-10-24 10:45:41,469 INFO L226 Difference]: Without dead ends: 714 [2021-10-24 10:45:41,470 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 609 GetRequests, 581 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 474.2ms TimeCoverageRelationStatistics Valid=161, Invalid=709, Unknown=0, NotChecked=0, Total=870 [2021-10-24 10:45:41,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 714 states. [2021-10-24 10:45:41,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 714 to 363. [2021-10-24 10:45:41,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 362 states have (on average 1.2790055248618784) internal successors, (463), 362 states have internal predecessors, (463), 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) [2021-10-24 10:45:41,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 463 transitions. [2021-10-24 10:45:41,523 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 463 transitions. Word has length 99 [2021-10-24 10:45:41,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:45:41,524 INFO L470 AbstractCegarLoop]: Abstraction has 363 states and 463 transitions. [2021-10-24 10:45:41,525 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 8 states have internal predecessors, (86), 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) [2021-10-24 10:45:41,525 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 463 transitions. [2021-10-24 10:45:41,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-10-24 10:45:41,526 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:45:41,527 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 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] [2021-10-24 10:45:41,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-10-24 10:45:41,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2021-10-24 10:45:41,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-10-24 10:45:42,141 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:45:42,141 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:45:42,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:45:42,142 INFO L82 PathProgramCache]: Analyzing trace with hash -1498875534, now seen corresponding path program 1 times [2021-10-24 10:45:42,142 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:45:42,142 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1175236826] [2021-10-24 10:45:42,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:45:42,142 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:45:42,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:45:42,143 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:45:42,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-10-24 10:45:42,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:45:42,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:45:42,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:45:42,948 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-10-24 10:45:42,948 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:45:43,239 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-10-24 10:45:43,239 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:45:43,239 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1175236826] [2021-10-24 10:45:43,239 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1175236826] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:45:43,239 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:45:43,240 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-24 10:45:43,240 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811515008] [2021-10-24 10:45:43,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 10:45:43,240 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:45:43,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 10:45:43,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-24 10:45:43,241 INFO L87 Difference]: Start difference. First operand 363 states and 463 transitions. Second operand has 8 states, 8 states have (on average 13.875) internal successors, (111), 8 states have internal predecessors, (111), 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) [2021-10-24 10:45:46,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:45:46,212 INFO L93 Difference]: Finished difference Result 838 states and 1077 transitions. [2021-10-24 10:45:46,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-24 10:45:46,213 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 8 states have internal predecessors, (111), 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 101 [2021-10-24 10:45:46,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:45:46,216 INFO L225 Difference]: With dead ends: 838 [2021-10-24 10:45:46,216 INFO L226 Difference]: Without dead ends: 482 [2021-10-24 10:45:46,218 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 65.2ms TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-10-24 10:45:46,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2021-10-24 10:45:46,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 363. [2021-10-24 10:45:46,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 362 states have (on average 1.2624309392265194) internal successors, (457), 362 states have internal predecessors, (457), 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) [2021-10-24 10:45:46,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 457 transitions. [2021-10-24 10:45:46,268 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 457 transitions. Word has length 101 [2021-10-24 10:45:46,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:45:46,269 INFO L470 AbstractCegarLoop]: Abstraction has 363 states and 457 transitions. [2021-10-24 10:45:46,269 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 8 states have internal predecessors, (111), 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) [2021-10-24 10:45:46,269 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 457 transitions. [2021-10-24 10:45:46,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-10-24 10:45:46,280 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:45:46,280 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 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] [2021-10-24 10:45:46,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-10-24 10:45:46,494 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:45:46,495 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:45:46,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:45:46,495 INFO L82 PathProgramCache]: Analyzing trace with hash 603001017, now seen corresponding path program 1 times [2021-10-24 10:45:46,495 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:45:46,496 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [493213205] [2021-10-24 10:45:46,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:45:46,496 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:45:46,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:45:46,497 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:45:46,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-10-24 10:45:47,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:45:47,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-24 10:45:47,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:45:47,381 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 61 proven. 3 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-10-24 10:45:47,381 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:45:47,702 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 61 proven. 3 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-10-24 10:45:47,702 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:45:47,702 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [493213205] [2021-10-24 10:45:47,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [493213205] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:45:47,703 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [41161882] [2021-10-24 10:45:47,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:45:47,703 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 10:45:47,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 10:45:47,704 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 10:45:47,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2021-10-24 10:45:48,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:45:48,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-24 10:45:48,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:45:48,684 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 61 proven. 3 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-10-24 10:45:48,684 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:45:48,988 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 61 proven. 3 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-10-24 10:45:48,988 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [41161882] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:45:48,989 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [602913543] [2021-10-24 10:45:48,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:45:48,989 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-24 10:45:48,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:45:48,990 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-24 10:45:48,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-10-24 10:45:49,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:45:49,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-24 10:45:49,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:45:49,909 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 61 proven. 3 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-10-24 10:45:49,909 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:45:50,194 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 61 proven. 3 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-10-24 10:45:50,194 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [602913543] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:45:50,194 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-24 10:45:50,195 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 5 [2021-10-24 10:45:50,195 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367298196] [2021-10-24 10:45:50,196 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-24 10:45:50,196 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:45:50,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-24 10:45:50,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-24 10:45:50,197 INFO L87 Difference]: Start difference. First operand 363 states and 457 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:45:50,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:45:50,424 INFO L93 Difference]: Finished difference Result 1268 states and 1617 transitions. [2021-10-24 10:45:50,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-24 10:45:50,426 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2021-10-24 10:45:50,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:45:50,432 INFO L225 Difference]: With dead ends: 1268 [2021-10-24 10:45:50,432 INFO L226 Difference]: Without dead ends: 912 [2021-10-24 10:45:50,433 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 612 GetRequests, 602 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 76.9ms TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2021-10-24 10:45:50,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912 states. [2021-10-24 10:45:50,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912 to 714. [2021-10-24 10:45:50,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 714 states, 713 states have (on average 1.2398316970546985) internal successors, (884), 713 states have internal predecessors, (884), 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) [2021-10-24 10:45:50,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 714 states and 884 transitions. [2021-10-24 10:45:50,542 INFO L78 Accepts]: Start accepts. Automaton has 714 states and 884 transitions. Word has length 102 [2021-10-24 10:45:50,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:45:50,542 INFO L470 AbstractCegarLoop]: Abstraction has 714 states and 884 transitions. [2021-10-24 10:45:50,542 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:45:50,543 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 884 transitions. [2021-10-24 10:45:50,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-10-24 10:45:50,545 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:45:50,545 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 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] [2021-10-24 10:45:50,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2021-10-24 10:45:50,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2021-10-24 10:45:50,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-10-24 10:45:51,149 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:45:51,149 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:45:51,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:45:51,150 INFO L82 PathProgramCache]: Analyzing trace with hash 151833521, now seen corresponding path program 1 times [2021-10-24 10:45:51,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:45:51,150 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1181316518] [2021-10-24 10:45:51,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:45:51,150 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:45:51,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:45:51,151 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:45:51,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-10-24 10:45:51,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:45:51,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-24 10:45:51,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:45:52,093 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-10-24 10:45:52,093 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:45:52,394 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-10-24 10:45:52,394 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:45:52,394 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1181316518] [2021-10-24 10:45:52,394 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1181316518] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:45:52,395 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:45:52,395 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-10-24 10:45:52,395 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454242283] [2021-10-24 10:45:52,396 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-24 10:45:52,396 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:45:52,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-24 10:45:52,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-10-24 10:45:52,397 INFO L87 Difference]: Start difference. First operand 714 states and 884 transitions. Second operand has 10 states, 10 states have (on average 11.0) internal successors, (110), 10 states have internal predecessors, (110), 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) [2021-10-24 10:45:54,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:45:54,008 INFO L93 Difference]: Finished difference Result 1721 states and 2143 transitions. [2021-10-24 10:45:54,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-24 10:45:54,009 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.0) internal successors, (110), 10 states have internal predecessors, (110), 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 103 [2021-10-24 10:45:54,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:45:54,017 INFO L225 Difference]: With dead ends: 1721 [2021-10-24 10:45:54,017 INFO L226 Difference]: Without dead ends: 1014 [2021-10-24 10:45:54,018 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 100.1ms TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2021-10-24 10:45:54,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1014 states. [2021-10-24 10:45:54,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1014 to 650. [2021-10-24 10:45:54,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 649 states have (on average 1.2234206471494606) internal successors, (794), 649 states have internal predecessors, (794), 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) [2021-10-24 10:45:54,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 794 transitions. [2021-10-24 10:45:54,109 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 794 transitions. Word has length 103 [2021-10-24 10:45:54,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:45:54,109 INFO L470 AbstractCegarLoop]: Abstraction has 650 states and 794 transitions. [2021-10-24 10:45:54,109 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.0) internal successors, (110), 10 states have internal predecessors, (110), 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) [2021-10-24 10:45:54,110 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 794 transitions. [2021-10-24 10:45:54,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-10-24 10:45:54,111 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:45:54,112 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 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] [2021-10-24 10:45:54,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2021-10-24 10:45:54,324 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:45:54,325 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:45:54,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:45:54,325 INFO L82 PathProgramCache]: Analyzing trace with hash -1991077733, now seen corresponding path program 2 times [2021-10-24 10:45:54,326 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:45:54,326 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1392529719] [2021-10-24 10:45:54,326 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-24 10:45:54,326 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:45:54,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:45:54,327 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:45:54,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-10-24 10:45:56,321 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-24 10:45:56,322 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-24 10:45:56,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:45:56,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:45:56,670 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 17 proven. 80 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-24 10:45:56,670 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:45:57,107 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 17 proven. 80 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-24 10:45:57,107 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:45:57,108 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1392529719] [2021-10-24 10:45:57,108 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1392529719] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:45:57,108 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2063174058] [2021-10-24 10:45:57,108 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-24 10:45:57,108 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 10:45:57,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 10:45:57,120 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 10:45:57,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2021-10-24 10:46:00,275 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-24 10:46:00,275 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-24 10:46:00,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-24 10:46:00,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:46:00,638 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 60 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-10-24 10:46:00,639 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:46:00,928 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 60 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-10-24 10:46:00,928 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2063174058] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:46:00,928 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1956770852] [2021-10-24 10:46:00,928 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-24 10:46:00,928 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-24 10:46:00,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:46:00,929 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-24 10:46:00,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2021-10-24 10:46:02,969 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-24 10:46:02,969 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-24 10:46:02,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-24 10:46:02,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:46:03,238 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 60 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-10-24 10:46:03,238 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:46:03,436 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 60 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-10-24 10:46:03,436 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1956770852] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:46:03,437 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-24 10:46:03,437 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 7, 7, 7, 7] total 14 [2021-10-24 10:46:03,437 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978345019] [2021-10-24 10:46:03,438 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-24 10:46:03,438 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:46:03,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-24 10:46:03,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-10-24 10:46:03,439 INFO L87 Difference]: Start difference. First operand 650 states and 794 transitions. Second operand has 14 states, 14 states have (on average 16.357142857142858) internal successors, (229), 14 states have internal predecessors, (229), 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) [2021-10-24 10:46:09,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:46:09,936 INFO L93 Difference]: Finished difference Result 1333 states and 1635 transitions. [2021-10-24 10:46:09,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-24 10:46:09,937 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 16.357142857142858) internal successors, (229), 14 states have internal predecessors, (229), 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 103 [2021-10-24 10:46:09,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:46:09,938 INFO L225 Difference]: With dead ends: 1333 [2021-10-24 10:46:09,938 INFO L226 Difference]: Without dead ends: 0 [2021-10-24 10:46:09,944 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 625 GetRequests, 604 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 313.5ms TimeCoverageRelationStatistics Valid=122, Invalid=384, Unknown=0, NotChecked=0, Total=506 [2021-10-24 10:46:09,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-24 10:46:09,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-24 10:46:09,945 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) [2021-10-24 10:46:09,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-24 10:46:09,946 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 103 [2021-10-24 10:46:09,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:46:09,946 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-24 10:46:09,946 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 16.357142857142858) internal successors, (229), 14 states have internal predecessors, (229), 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) [2021-10-24 10:46:09,946 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-24 10:46:09,947 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-24 10:46:09,950 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:46:09,958 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:46:09,959 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:46:09,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2021-10-24 10:46:10,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2021-10-24 10:46:10,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2021-10-24 10:46:10,573 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt [2021-10-24 10:46:10,575 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-24 10:46:10,590 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:46:10,621 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:46:10,622 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:46:11,590 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:46:11,591 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:46:11,592 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:46:11,595 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:46:11,597 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:46:11,599 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:46:11,600 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:46:11,601 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:46:11,816 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:46:11,817 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:46:11,818 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:46:11,819 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:46:11,820 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:46:12,143 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:46:12,144 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:46:12,568 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:46:12,568 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:46:12,569 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:46:13,076 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:46:13,163 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:46:13,165 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:46:13,681 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:46:13,682 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:46:13,683 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:46:13,736 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:46:13,737 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:46:13,738 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:46:13,739 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:46:13,740 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:46:13,740 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:46:13,741 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:46:13,741 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:46:13,742 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:46:13,743 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:46:13,743 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:46:13,744 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:46:13,791 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:46:13,892 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:46:13,893 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:46:14,159 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:46:14,160 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:46:14,161 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:46:14,161 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:46:14,162 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:46:14,456 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:46:14,457 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:46:31,679 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 309) no Hoare annotation was computed. [2021-10-24 10:46:31,680 INFO L853 garLoopResultBuilder]: At program point L333(lines 333 339) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32))) (.cse9 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse6 (= (_ bv0 32) ~pumpRunning~0)) (.cse10 (= ~waterLevel~0 (_ bv1 32))) (.cse7 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse8 (= (_ bv1 32) ~pumpRunning~0)) (.cse11 (not (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse13 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32))) (.cse14 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse3 (= ~systemActive~0 (_ bv1 32))) (.cse15 (= ULTIMATE.start_processEnvironment_~tmp~3 (_ bv0 32))) (.cse16 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse4 (= ~waterLevel~0 (_ bv0 32))) (.cse12 (not (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0))) (.cse17 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|))) (or (and .cse0 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|) .cse1 .cse2 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0) .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse7 .cse1 .cse3 .cse6) (and .cse0 .cse8 .cse7 .cse3 .cse9) (and .cse0 .cse7 .cse3 .cse9 .cse6) (and .cse0 .cse3 .cse10 .cse9 .cse6) (and .cse0 .cse1 .cse3 .cse10 .cse6) (and .cse0 .cse11 .cse2 .cse3 .cse4 .cse12 .cse9 .cse5 .cse6) (and .cse0 .cse8 .cse1 .cse13 .cse14 .cse3 .cse15 .cse16 .cse10 .cse17) (and .cse0 .cse8 .cse7 .cse1 .cse3) (and .cse0 .cse8 .cse11 .cse1 .cse13 .cse14 .cse3 .cse15 .cse16 .cse4 .cse12 .cse17))) [2021-10-24 10:46:31,680 INFO L853 garLoopResultBuilder]: At program point L333-1(lines 333 339) the Hoare annotation is: false [2021-10-24 10:46:31,680 INFO L860 garLoopResultBuilder]: At program point L300(lines 281 303) the Hoare annotation is: true [2021-10-24 10:46:31,681 INFO L853 garLoopResultBuilder]: At program point L333-2(lines 333 339) the Hoare annotation is: false [2021-10-24 10:46:31,681 INFO L853 garLoopResultBuilder]: At program point L169(lines 326 332) the Hoare annotation is: (let ((.cse15 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32))) (.cse16 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse14 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp___0~0 (_ bv1 32))) (.cse9 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse10 (= (_ bv0 32) ~pumpRunning~0)) (.cse11 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|)) (.cse8 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse12 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0)) (.cse20 (= ULTIMATE.start_processEnvironment_~tmp~3 (_ bv0 32))) (.cse13 (= ~waterLevel~0 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse18 (not (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|))) (.cse3 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse17 (= ~waterLevel~0 (_ bv1 32))) (.cse19 (not (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0))) (.cse5 (not (= ~waterLevel~0 (_ bv3 32)))) (.cse6 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse7 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse8 .cse3 .cse4 .cse7) (and .cse0 .cse2 .cse9 .cse3 .cse6 .cse10) (and .cse0 .cse1 .cse11 .cse8 .cse12 .cse3 .cse4 .cse13 .cse14 .cse7) (and .cse0 .cse9 .cse11 .cse15 .cse12 .cse3 .cse13 .cse6 .cse16 .cse10) (and .cse0 .cse9 .cse11 .cse8 .cse15 .cse12 .cse3 .cse13 .cse16 .cse10) (and .cse0 .cse9 .cse3 .cse17 .cse6 .cse10) (and .cse0 .cse2 .cse9 .cse8 .cse3 .cse10) (and .cse0 .cse1 .cse18 .cse8 .cse3 .cse4 .cse17 .cse19 .cse5 .cse7) (and .cse0 .cse1 .cse11 .cse12 .cse3 .cse20 .cse4 .cse13 .cse6 .cse7) (and .cse0 .cse1 .cse11 .cse12 .cse3 .cse4 .cse13 .cse6 .cse14 .cse7) (and .cse0 .cse9 .cse8 .cse3 .cse17 .cse10) (and .cse0 .cse1 .cse11 .cse8 .cse12 .cse3 .cse20 .cse4 .cse13 .cse7) (and .cse0 .cse1 .cse18 .cse3 .cse4 .cse17 .cse19 .cse5 .cse6 .cse7))) [2021-10-24 10:46:31,681 INFO L853 garLoopResultBuilder]: At program point L169-1(lines 326 332) the Hoare annotation is: false [2021-10-24 10:46:31,681 INFO L853 garLoopResultBuilder]: At program point L169-2(lines 326 332) the Hoare annotation is: false [2021-10-24 10:46:31,682 INFO L853 garLoopResultBuilder]: At program point L437(lines 432 440) the Hoare annotation is: (let ((.cse14 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32))) (.cse17 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse7 (not (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|))) (.cse2 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse9 (= ~waterLevel~0 (_ bv1 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse11 (not (= ~waterLevel~0 (_ bv3 32)))) (.cse8 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse19 (= ULTIMATE.start_processEnvironment_~tmp~3 (_ bv0 32))) (.cse20 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= (_ bv1 32) ~pumpRunning~0)) (.cse13 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|)) (.cse15 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0)) (.cse3 (= ~systemActive~0 (_ bv1 32))) (.cse16 (= ~waterLevel~0 (_ bv0 32))) (.cse10 (not (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0))) (.cse4 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse18 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp___0~0 (_ bv1 32))) (.cse12 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse7 .cse8 .cse3 .cse9 .cse10 .cse11 .cse12) (and .cse0 .cse2 .cse13 .cse14 .cse15 .cse3 .cse16 .cse4 .cse17 .cse5) (and .cse0 .cse2 .cse13 .cse8 .cse14 .cse15 .cse3 .cse16 .cse17 .cse5) (and .cse0 .cse2 .cse3 .cse9 .cse4 .cse5) (and .cse0 .cse6 .cse13 .cse8 .cse15 .cse3 .cse16 .cse10 .cse18 .cse12) (and .cse0 .cse1 .cse2 .cse8 .cse3 .cse5) (and .cse0 .cse6 .cse7 .cse3 .cse9 .cse10 .cse11 .cse4 .cse12) (and .cse0 .cse6 .cse1 .cse8 .cse3 .cse12) (and .cse0 .cse6 .cse13 .cse15 .cse3 .cse19 .cse20 .cse16 .cse4 .cse12) (and .cse0 .cse2 .cse8 .cse3 .cse9 .cse5) (and .cse0 .cse6 .cse1 .cse3 .cse11 .cse4 .cse12) (and .cse0 .cse6 .cse13 .cse8 .cse15 .cse3 .cse19 .cse20 .cse16 .cse12) (and .cse0 .cse6 .cse13 .cse15 .cse3 .cse16 .cse10 .cse4 .cse18 .cse12))) [2021-10-24 10:46:31,682 INFO L853 garLoopResultBuilder]: At program point L437-1(lines 432 440) the Hoare annotation is: (let ((.cse3 (not (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|))) (.cse8 (not (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0))) (.cse11 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse12 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32))) (.cse13 (= ~waterLevel~0 (_ bv0 32))) (.cse9 (bvslt ~waterLevel~0 (_ bv2 32))) (.cse14 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse10 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse15 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|)) (.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse16 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32))) (.cse5 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0)) (.cse17 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse6 (= ~systemActive~0 (_ bv1 32))) (.cse18 (= ULTIMATE.start_processEnvironment_~tmp~3 (_ bv0 32))) (.cse19 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse7 (= ~waterLevel~0 (_ bv1 32))) (.cse20 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse5 .cse6 .cse7 .cse8 .cse9 .cse11 .cse10) (and .cse0 .cse1 .cse2 .cse12 .cse5 .cse6 .cse13 .cse11 .cse14 .cse10) (and .cse0 .cse15 .cse2 .cse4 .cse16 .cse5 .cse17 .cse6 .cse18 .cse19 .cse13 .cse20) (and .cse0 .cse1 .cse2 .cse4 .cse12 .cse5 .cse6 .cse13 .cse9 .cse14 .cse10) (and .cse0 .cse15 .cse2 .cse4 .cse16 .cse5 .cse17 .cse6 .cse18 .cse19 .cse7 .cse20))) [2021-10-24 10:46:31,682 INFO L853 garLoopResultBuilder]: At program point L437-2(lines 432 440) the Hoare annotation is: false [2021-10-24 10:46:31,682 INFO L853 garLoopResultBuilder]: At program point L437-3(lines 432 440) the Hoare annotation is: false [2021-10-24 10:46:31,682 INFO L853 garLoopResultBuilder]: At program point L437-4(lines 432 440) the Hoare annotation is: false [2021-10-24 10:46:31,682 INFO L853 garLoopResultBuilder]: At program point L437-5(lines 432 440) the Hoare annotation is: false [2021-10-24 10:46:31,683 INFO L857 garLoopResultBuilder]: For program point L140(lines 140 146) no Hoare annotation was computed. [2021-10-24 10:46:31,683 INFO L857 garLoopResultBuilder]: For program point L140-1(lines 140 146) no Hoare annotation was computed. [2021-10-24 10:46:31,683 INFO L857 garLoopResultBuilder]: For program point L140-2(lines 140 146) no Hoare annotation was computed. [2021-10-24 10:46:31,683 INFO L857 garLoopResultBuilder]: For program point L140-3(lines 140 146) no Hoare annotation was computed. [2021-10-24 10:46:31,683 INFO L857 garLoopResultBuilder]: For program point L140-4(lines 140 146) no Hoare annotation was computed. [2021-10-24 10:46:31,683 INFO L857 garLoopResultBuilder]: For program point L140-5(lines 140 146) no Hoare annotation was computed. [2021-10-24 10:46:31,684 INFO L857 garLoopResultBuilder]: For program point L537(lines 537 548) no Hoare annotation was computed. [2021-10-24 10:46:31,684 INFO L857 garLoopResultBuilder]: For program point L75(lines 75 79) no Hoare annotation was computed. [2021-10-24 10:46:31,684 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 309) no Hoare annotation was computed. [2021-10-24 10:46:31,684 INFO L857 garLoopResultBuilder]: For program point L309(line 309) no Hoare annotation was computed. [2021-10-24 10:46:31,684 INFO L857 garLoopResultBuilder]: For program point L309-1(line 309) no Hoare annotation was computed. [2021-10-24 10:46:31,685 INFO L857 garLoopResultBuilder]: For program point L309-2(line 309) no Hoare annotation was computed. [2021-10-24 10:46:31,685 INFO L857 garLoopResultBuilder]: For program point L508(lines 507 552) no Hoare annotation was computed. [2021-10-24 10:46:31,685 INFO L853 garLoopResultBuilder]: At program point L145(lines 136 149) the Hoare annotation is: false [2021-10-24 10:46:31,685 INFO L853 garLoopResultBuilder]: At program point L145-1(lines 136 149) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse7 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|)) (.cse8 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32))) (.cse9 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0)) (.cse10 (= ~waterLevel~0 (_ bv0 32))) (.cse12 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= ~systemActive~0 (_ bv1 32))) (.cse13 (= ~waterLevel~0 (_ bv1 32))) (.cse11 (bvslt ~waterLevel~0 (_ bv2 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse3 .cse5 .cse4) (and .cse0 .cse6 .cse7 .cse2 .cse8 .cse9 .cse3 .cse10 .cse11 .cse12 .cse4) (and .cse0 .cse6 .cse7 .cse8 .cse9 .cse3 .cse10 .cse11 .cse5 .cse12 .cse4) (and .cse0 .cse6 .cse3 .cse13 .cse11 .cse5 .cse4) (and .cse0 .cse6 .cse2 .cse3 .cse13 .cse11 .cse4))) [2021-10-24 10:46:31,685 INFO L853 garLoopResultBuilder]: At program point L145-2(lines 136 149) the Hoare annotation is: false [2021-10-24 10:46:31,686 INFO L853 garLoopResultBuilder]: At program point L145-3(lines 136 149) the Hoare annotation is: false [2021-10-24 10:46:31,686 INFO L853 garLoopResultBuilder]: At program point L145-4(lines 136 149) the Hoare annotation is: false [2021-10-24 10:46:31,686 INFO L853 garLoopResultBuilder]: At program point L145-5(lines 136 149) the Hoare annotation is: false [2021-10-24 10:46:31,686 INFO L857 garLoopResultBuilder]: For program point L509(lines 509 513) no Hoare annotation was computed. [2021-10-24 10:46:31,686 INFO L857 garLoopResultBuilder]: For program point L543(lines 543 547) no Hoare annotation was computed. [2021-10-24 10:46:31,687 INFO L857 garLoopResultBuilder]: For program point L543-2(lines 537 548) no Hoare annotation was computed. [2021-10-24 10:46:31,687 INFO L857 garLoopResultBuilder]: For program point L180(lines 180 197) no Hoare annotation was computed. [2021-10-24 10:46:31,687 INFO L853 garLoopResultBuilder]: At program point L180-1(lines 1 961) the Hoare annotation is: (let ((.cse7 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0)) (.cse9 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|))) (let ((.cse12 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32))) (.cse14 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse15 (= ~waterLevel~0 (_ bv2 32))) (.cse13 (= ~waterLevel~0 (_ bv0 32))) (.cse6 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse16 (or (not .cse9) (not (= ~waterLevel~0 (_ bv3 32))))) (.cse17 (not .cse7)) (.cse18 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp___0~0 (_ bv1 32))) (.cse19 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse11 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|)) (.cse8 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0)) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= ~waterLevel~0 (_ bv1 32))) (.cse4 (bvslt ~waterLevel~0 (_ bv2 32))) (.cse10 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse7 .cse1 .cse8 .cse2 .cse9) (and .cse0 .cse6 .cse7 .cse8 .cse2 .cse10 .cse9) (and .cse0 .cse11 .cse1 .cse12 .cse8 .cse2 .cse13 .cse4 .cse14 .cse5) (and .cse0 .cse15 .cse7 .cse2 .cse10 .cse9 .cse5) (and .cse0 .cse6 .cse11 .cse1 .cse16 .cse8 .cse2 .cse13 .cse17 .cse18 .cse19) (and .cse0 .cse11 .cse12 .cse8 .cse2 .cse13 .cse4 .cse10 .cse14 .cse5) (and .cse0 .cse15 .cse7 .cse1 .cse2 .cse9 .cse5) (and .cse0 .cse6 .cse11 .cse1 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32)) .cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 (= ULTIMATE.start_processEnvironment_~tmp~3 (_ bv0 32)) (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse13 .cse19) (and .cse0 .cse6 .cse11 .cse1 .cse16 .cse8 .cse2 .cse3 .cse17 .cse18 .cse19) (and .cse0 .cse11 .cse8 .cse2 .cse3 .cse4 .cse10 .cse5)))) [2021-10-24 10:46:31,687 INFO L857 garLoopResultBuilder]: For program point L180-2(lines 180 197) no Hoare annotation was computed. [2021-10-24 10:46:31,688 INFO L853 garLoopResultBuilder]: At program point L180-3(lines 1 961) the Hoare annotation is: false [2021-10-24 10:46:31,688 INFO L857 garLoopResultBuilder]: For program point L180-4(lines 180 197) no Hoare annotation was computed. [2021-10-24 10:46:31,688 INFO L853 garLoopResultBuilder]: At program point L180-5(lines 1 961) the Hoare annotation is: false [2021-10-24 10:46:31,688 INFO L853 garLoopResultBuilder]: At program point L214-2(lines 214 228) the Hoare annotation is: false [2021-10-24 10:46:31,688 INFO L857 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-10-24 10:46:31,689 INFO L857 garLoopResultBuilder]: For program point L184(lines 184 194) no Hoare annotation was computed. [2021-10-24 10:46:31,689 INFO L857 garLoopResultBuilder]: For program point L184-2(lines 184 194) no Hoare annotation was computed. [2021-10-24 10:46:31,689 INFO L857 garLoopResultBuilder]: For program point L184-4(lines 184 194) no Hoare annotation was computed. [2021-10-24 10:46:31,689 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-24 10:46:31,689 INFO L857 garLoopResultBuilder]: For program point L218(lines 218 222) no Hoare annotation was computed. [2021-10-24 10:46:31,689 INFO L857 garLoopResultBuilder]: For program point L185(lines 185 191) no Hoare annotation was computed. [2021-10-24 10:46:31,690 INFO L857 garLoopResultBuilder]: For program point L218-1(lines 218 222) no Hoare annotation was computed. [2021-10-24 10:46:31,690 INFO L857 garLoopResultBuilder]: For program point L185-2(lines 185 191) no Hoare annotation was computed. [2021-10-24 10:46:31,690 INFO L857 garLoopResultBuilder]: For program point L185-4(lines 185 191) no Hoare annotation was computed. [2021-10-24 10:46:31,690 INFO L857 garLoopResultBuilder]: For program point L384(lines 384 401) no Hoare annotation was computed. [2021-10-24 10:46:31,690 INFO L857 garLoopResultBuilder]: For program point L384-1(lines 384 401) no Hoare annotation was computed. [2021-10-24 10:46:31,691 INFO L857 garLoopResultBuilder]: For program point L384-2(lines 384 401) no Hoare annotation was computed. [2021-10-24 10:46:31,691 INFO L857 garLoopResultBuilder]: For program point L87(lines 87 91) no Hoare annotation was computed. [2021-10-24 10:46:31,691 INFO L857 garLoopResultBuilder]: For program point L517(lines 517 523) no Hoare annotation was computed. [2021-10-24 10:46:31,691 INFO L853 garLoopResultBuilder]: At program point L517-1(lines 517 523) the Hoare annotation is: (let ((.cse10 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|))) (let ((.cse6 (= ~waterLevel~0 (_ bv2 32))) (.cse12 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32))) (.cse14 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse13 (= ~waterLevel~0 (_ bv0 32))) (.cse18 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse11 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|)) (.cse8 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0)) (.cse4 (bvslt ~waterLevel~0 (_ bv2 32))) (.cse9 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse7 (= (_ bv1 32) ~pumpRunning~0)) (.cse15 (not .cse10)) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= ~waterLevel~0 (_ bv1 32))) (.cse16 (not (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0))) (.cse17 (not (= ~waterLevel~0 (_ bv3 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse1 .cse2 .cse5) (and .cse0 .cse7 .cse6 .cse8 .cse2 .cse9 .cse10) (and .cse0 .cse11 .cse1 .cse12 .cse8 .cse2 .cse13 .cse4 .cse14 .cse5) (and .cse0 .cse6 .cse2 .cse9 .cse5) (and .cse0 .cse15 .cse12 .cse2 .cse3 .cse16 .cse9 .cse14 .cse5) (and .cse0 .cse7 .cse6 .cse1 .cse2 .cse17) (and .cse0 .cse11 .cse12 .cse8 .cse2 .cse13 .cse4 .cse9 .cse14 .cse5) (and .cse0 .cse7 .cse11 .cse1 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32)) .cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 (= ULTIMATE.start_processEnvironment_~tmp~3 (_ bv0 32)) (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse13 .cse18) (and .cse0 .cse7 .cse11 .cse1 .cse8 .cse2 .cse13 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp___0~0 (_ bv1 32)) .cse18) (and .cse0 .cse11 .cse8 .cse2 .cse3 .cse4 .cse9 .cse5) (and .cse0 .cse7 .cse15 .cse1 .cse2 .cse3 .cse16 .cse17)))) [2021-10-24 10:46:31,692 INFO L853 garLoopResultBuilder]: At program point L584(lines 1 961) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:46:31,692 INFO L857 garLoopResultBuilder]: For program point L486(lines 486 490) no Hoare annotation was computed. [2021-10-24 10:46:31,692 INFO L857 garLoopResultBuilder]: For program point L486-2(lines 486 490) no Hoare annotation was computed. [2021-10-24 10:46:31,692 INFO L857 garLoopResultBuilder]: For program point L486-3(lines 486 490) no Hoare annotation was computed. [2021-10-24 10:46:31,692 INFO L857 garLoopResultBuilder]: For program point L486-5(lines 486 490) no Hoare annotation was computed. [2021-10-24 10:46:31,692 INFO L857 garLoopResultBuilder]: For program point L486-6(lines 486 490) no Hoare annotation was computed. [2021-10-24 10:46:31,693 INFO L857 garLoopResultBuilder]: For program point L486-8(lines 486 490) no Hoare annotation was computed. [2021-10-24 10:46:31,693 INFO L857 garLoopResultBuilder]: For program point L486-9(lines 486 490) no Hoare annotation was computed. [2021-10-24 10:46:31,693 INFO L857 garLoopResultBuilder]: For program point L486-11(lines 486 490) no Hoare annotation was computed. [2021-10-24 10:46:31,693 INFO L857 garLoopResultBuilder]: For program point L486-12(lines 486 490) no Hoare annotation was computed. [2021-10-24 10:46:31,693 INFO L857 garLoopResultBuilder]: For program point L486-14(lines 486 490) no Hoare annotation was computed. [2021-10-24 10:46:31,694 INFO L857 garLoopResultBuilder]: For program point L486-15(lines 486 490) no Hoare annotation was computed. [2021-10-24 10:46:31,694 INFO L857 garLoopResultBuilder]: For program point L486-17(lines 486 490) no Hoare annotation was computed. [2021-10-24 10:46:31,694 INFO L853 garLoopResultBuilder]: At program point L553(lines 506 554) the Hoare annotation is: false [2021-10-24 10:46:31,694 INFO L857 garLoopResultBuilder]: For program point L388(lines 388 396) no Hoare annotation was computed. [2021-10-24 10:46:31,694 INFO L857 garLoopResultBuilder]: For program point L388-1(lines 388 396) no Hoare annotation was computed. [2021-10-24 10:46:31,695 INFO L857 garLoopResultBuilder]: For program point L388-2(lines 388 396) no Hoare annotation was computed. [2021-10-24 10:46:31,695 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-24 10:46:31,695 INFO L857 garLoopResultBuilder]: For program point L291(lines 291 298) no Hoare annotation was computed. [2021-10-24 10:46:31,695 INFO L860 garLoopResultBuilder]: At program point L291-1(lines 291 298) the Hoare annotation is: true [2021-10-24 10:46:31,695 INFO L853 garLoopResultBuilder]: At program point L159(lines 154 161) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:46:31,696 INFO L857 garLoopResultBuilder]: For program point L358(lines 358 375) no Hoare annotation was computed. [2021-10-24 10:46:31,696 INFO L857 garLoopResultBuilder]: For program point L358-1(lines 358 375) no Hoare annotation was computed. [2021-10-24 10:46:31,696 INFO L857 garLoopResultBuilder]: For program point L358-2(lines 358 375) no Hoare annotation was computed. [2021-10-24 10:46:31,696 INFO L857 garLoopResultBuilder]: For program point L358-3(lines 358 375) no Hoare annotation was computed. [2021-10-24 10:46:31,696 INFO L857 garLoopResultBuilder]: For program point L358-4(lines 358 375) no Hoare annotation was computed. [2021-10-24 10:46:31,696 INFO L857 garLoopResultBuilder]: For program point L358-5(lines 358 375) no Hoare annotation was computed. [2021-10-24 10:46:31,697 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-24 10:46:31,697 INFO L853 garLoopResultBuilder]: At program point L326(lines 322 344) the Hoare annotation is: (let ((.cse10 (= ~waterLevel~0 (_ bv2 32)))) (let ((.cse1 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|)) (.cse3 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32))) (.cse4 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0)) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse12 (not (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|))) (.cse6 (= ~waterLevel~0 (_ bv0 32))) (.cse15 (not (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0))) (.cse8 (= (_ bv0 32) ~pumpRunning~0)) (.cse13 (not .cse10)) (.cse9 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse11 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= ~systemActive~0 (_ bv1 32))) (.cse14 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse17 (= ~waterLevel~0 (_ bv1 32))) (.cse16 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse3 .cse4 .cse5 .cse6 .cse9 .cse7 .cse8) (and .cse0 .cse10 .cse2 .cse5 .cse8) (and .cse0 .cse11 .cse12 .cse2 .cse13 .cse5 .cse14 .cse6 .cse15 .cse16) (and .cse0 .cse10 .cse5 .cse9 .cse8) (and .cse0 .cse11 .cse12 .cse13 .cse5 .cse14 .cse6 .cse15 .cse9 .cse16) (and .cse0 .cse5 .cse17 .cse9 .cse8) (and .cse0 .cse2 .cse5 .cse17 .cse8) (and .cse0 .cse11 .cse13 .cse5 .cse14 .cse17 .cse9 .cse16) (and .cse0 .cse11 .cse2 .cse5 .cse14 .cse17 .cse16)))) [2021-10-24 10:46:31,697 INFO L853 garLoopResultBuilder]: At program point L326-1(lines 322 344) the Hoare annotation is: false [2021-10-24 10:46:31,697 INFO L853 garLoopResultBuilder]: At program point L326-2(lines 322 344) the Hoare annotation is: false [2021-10-24 10:46:31,698 INFO L853 garLoopResultBuilder]: At program point L492(lines 477 495) the Hoare annotation is: false [2021-10-24 10:46:31,698 INFO L853 garLoopResultBuilder]: At program point L492-1(lines 477 495) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse7 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|)) (.cse8 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32))) (.cse9 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0)) (.cse12 (= ~waterLevel~0 (_ bv0 32))) (.cse14 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32)))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32))) (.cse3 (= ~systemActive~0 (_ bv1 32))) (.cse11 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse15 (= ~waterLevel~0 (_ bv1 32))) (.cse13 (bvslt ~waterLevel~0 (_ bv2 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse3 .cse5 .cse4) (and .cse0 .cse6 .cse7 .cse8 .cse9 .cse10 .cse3 .cse11 .cse12 .cse13 .cse5 .cse14 .cse4) (and .cse0 .cse6 .cse7 .cse2 .cse8 .cse9 .cse10 .cse3 .cse11 .cse12 .cse13 .cse14 .cse4) (and .cse0 .cse6 .cse10 .cse3 .cse11 .cse15 .cse13 .cse5 .cse4) (and .cse0 .cse6 .cse2 .cse10 .cse3 .cse11 .cse15 .cse13 .cse4))) [2021-10-24 10:46:31,698 INFO L853 garLoopResultBuilder]: At program point L492-2(lines 477 495) the Hoare annotation is: false [2021-10-24 10:46:31,698 INFO L853 garLoopResultBuilder]: At program point L492-3(lines 477 495) the Hoare annotation is: false [2021-10-24 10:46:31,699 INFO L853 garLoopResultBuilder]: At program point L492-4(lines 477 495) the Hoare annotation is: false [2021-10-24 10:46:31,699 INFO L853 garLoopResultBuilder]: At program point L492-5(lines 477 495) the Hoare annotation is: false [2021-10-24 10:46:31,699 INFO L857 garLoopResultBuilder]: For program point L63(lines 63 67) no Hoare annotation was computed. [2021-10-24 10:46:31,699 INFO L857 garLoopResultBuilder]: For program point L63-3(lines 63 67) no Hoare annotation was computed. [2021-10-24 10:46:31,699 INFO L857 garLoopResultBuilder]: For program point L63-6(lines 63 67) no Hoare annotation was computed. [2021-10-24 10:46:31,699 INFO L853 garLoopResultBuilder]: At program point L592(lines 587 595) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:46:31,700 INFO L857 garLoopResultBuilder]: For program point L527(lines 527 533) no Hoare annotation was computed. [2021-10-24 10:46:31,700 INFO L853 garLoopResultBuilder]: At program point L527-1(lines 527 533) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= ~systemActive~0 (_ bv1 32))) (.cse9 (bvslt ~waterLevel~0 (_ bv2 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse23 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0))) (let ((.cse6 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32))) (.cse10 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse11 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse17 (= ULTIMATE.start_processEnvironment_~tmp~3 (_ bv0 32))) (.cse18 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse5 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|)) (.cse7 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0)) (.cse8 (= ~waterLevel~0 (_ bv0 32))) (.cse20 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp___0~0 (_ bv1 32))) (.cse19 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse12 (= (_ bv1 32) ~pumpRunning~0)) (.cse14 (not (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|))) (.cse16 (not .cse23)) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse21 (not .cse1)) (.cse15 (= ~waterLevel~0 (_ bv1 32))) (.cse22 (or (and .cse0 .cse23 .cse3 .cse4) (and .cse0 .cse3 .cse9 .cse4))) (.cse13 (not (= ~waterLevel~0 (_ bv3 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse2 .cse6 .cse7 .cse3 .cse8 .cse9 .cse10 .cse4) (and .cse0 .cse1 .cse3 .cse11 .cse4) (and .cse0 .cse12 .cse1 .cse3 .cse13 .cse11) (and .cse0 .cse12 .cse14 .cse3 .cse15 .cse16 .cse13 .cse11) (and .cse0 .cse12 .cse1 .cse2 .cse3 .cse13) (and .cse0 .cse5 .cse6 .cse7 .cse3 .cse8 .cse9 .cse11 .cse10 .cse4) (and .cse0 .cse12 .cse5 .cse7 .cse3 .cse17 .cse18 .cse8 .cse11 .cse19) (and .cse0 .cse12 .cse5 .cse7 .cse3 .cse8 .cse11 .cse20 .cse19) (and .cse21 .cse15 .cse22 .cse13 .cse11) (and .cse0 .cse12 .cse5 .cse2 .cse7 .cse3 .cse17 .cse18 .cse8 .cse19) (and .cse0 .cse12 .cse5 .cse2 .cse7 .cse3 .cse8 .cse20 .cse19) (and .cse0 .cse12 .cse14 .cse2 .cse3 .cse15 .cse16 .cse13) (and .cse2 .cse21 .cse15 .cse22 .cse13)))) [2021-10-24 10:46:31,700 INFO L853 garLoopResultBuilder]: At program point L428(lines 421 431) the Hoare annotation is: (let ((.cse8 (= ~waterLevel~0 (_ bv1 32))) (.cse10 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32))) (.cse11 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse12 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse13 (not (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse4 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32))) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse6 (= ~systemActive~0 (_ bv1 32))) (.cse7 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse14 (= ~waterLevel~0 (_ bv0 32))) (.cse15 (not (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0))) (.cse9 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse3 .cse10 .cse6 .cse7 .cse8 .cse11 .cse12 .cse9) (and .cse0 .cse1 .cse13 .cse3 .cse10 .cse6 .cse7 .cse14 .cse15 .cse11 .cse12 .cse9) (and .cse0 .cse1 .cse13 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse14 .cse15 .cse9))) [2021-10-24 10:46:31,701 INFO L853 garLoopResultBuilder]: At program point L428-1(lines 421 431) the Hoare annotation is: false [2021-10-24 10:46:31,701 INFO L857 garLoopResultBuilder]: For program point L362(lines 362 370) no Hoare annotation was computed. [2021-10-24 10:46:31,701 INFO L853 garLoopResultBuilder]: At program point L428-2(lines 421 431) the Hoare annotation is: false [2021-10-24 10:46:31,701 INFO L857 garLoopResultBuilder]: For program point L362-1(lines 362 370) no Hoare annotation was computed. [2021-10-24 10:46:31,701 INFO L857 garLoopResultBuilder]: For program point L362-2(lines 362 370) no Hoare annotation was computed. [2021-10-24 10:46:31,701 INFO L853 garLoopResultBuilder]: At program point L263(lines 259 265) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:46:31,702 INFO L857 garLoopResultBuilder]: For program point L362-3(lines 362 370) no Hoare annotation was computed. [2021-10-24 10:46:31,702 INFO L857 garLoopResultBuilder]: For program point L362-4(lines 362 370) no Hoare annotation was computed. [2021-10-24 10:46:31,702 INFO L857 garLoopResultBuilder]: For program point L362-5(lines 362 370) no Hoare annotation was computed. [2021-10-24 10:46:31,702 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-24 10:46:31,702 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 309) no Hoare annotation was computed. [2021-10-24 10:46:31,703 INFO L853 garLoopResultBuilder]: At program point L132(lines 127 135) the Hoare annotation is: (let ((.cse9 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|))) (let ((.cse2 (not .cse9)) (.cse10 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32))) (.cse12 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse11 (= ~waterLevel~0 (_ bv0 32))) (.cse13 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|)) (.cse8 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse14 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32))) (.cse15 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse16 (= ULTIMATE.start_processEnvironment_~tmp~3 (_ bv0 32))) (.cse17 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse18 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse7 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= ~systemActive~0 (_ bv1 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse6 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse7 .cse8 .cse3 .cse9 .cse6) (and .cse0 .cse1 .cse2 .cse8 .cse3 .cse4 .cse6) (and .cse0 .cse1 .cse10 .cse3 .cse11 .cse5 .cse12 .cse6) (and .cse0 .cse1 .cse8 .cse10 .cse3 .cse11 .cse12 .cse6) (and .cse0 .cse13 .cse1 .cse8 .cse3 .cse9) (and .cse0 .cse13 .cse1 .cse8 .cse14 .cse15 .cse3 .cse16 .cse17 .cse11 .cse18) (and .cse0 .cse13 .cse1 .cse3 .cse5 .cse9) (and .cse0 .cse13 .cse1 .cse8 .cse14 .cse15 .cse3 .cse16 .cse17 .cse4 .cse18) (and .cse0 .cse7 .cse3 .cse5 .cse9 .cse6)))) [2021-10-24 10:46:31,703 INFO L853 garLoopResultBuilder]: At program point L132-1(lines 127 135) the Hoare annotation is: false [2021-10-24 10:46:31,703 INFO L853 garLoopResultBuilder]: At program point L132-2(lines 127 135) the Hoare annotation is: false [2021-10-24 10:46:31,703 INFO L853 garLoopResultBuilder]: At program point L100(lines 95 103) the Hoare annotation is: (let ((.cse6 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse5 (= ~waterLevel~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse9 (not (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|))) (.cse12 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse13 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse3 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse10 (= ~waterLevel~0 (_ bv0 32))) (.cse11 (not (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0))) (.cse8 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse9 .cse2 .cse3 .cse4 .cse10 .cse11 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse12 .cse2 .cse13 .cse3 .cse4 .cse5 .cse8) (and .cse0 .cse1 .cse9 .cse12 .cse2 .cse13 .cse3 .cse4 .cse10 .cse11 .cse8))) [2021-10-24 10:46:31,704 INFO L853 garLoopResultBuilder]: At program point L100-1(lines 95 103) the Hoare annotation is: false [2021-10-24 10:46:31,704 INFO L853 garLoopResultBuilder]: At program point L100-2(lines 95 103) the Hoare annotation is: false [2021-10-24 10:46:31,709 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 10:46:31,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:46:31 BoogieIcfgContainer [2021-10-24 10:46:31,795 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 10:46:31,796 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 10:46:31,796 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 10:46:31,796 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 10:46:31,797 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:45:23" (3/4) ... [2021-10-24 10:46:31,800 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-24 10:46:31,822 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-24 10:46:31,823 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-24 10:46:31,825 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-24 10:46:31,826 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-24 10:46:31,827 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-24 10:46:31,829 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:46:31,830 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:46:31,860 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 2bv32 == tmp) && methaneLevelCritical == 0bv32) && waterLevel == tmp) && systemActive == 1bv32) && 2bv32 == \result)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 2bv32 == tmp) && waterLevel == tmp) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 2bv32 == \result)) || (((((((((splverifierCounter == 0bv32 && waterLevel == \result) && methaneLevelCritical == 0bv32) && \result == 1bv32) && waterLevel == tmp) && systemActive == 1bv32) && waterLevel == 0bv32) && ~bvslt32(waterLevel, 2bv32)) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 2bv32 == tmp) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && methaneLevelCritical == 0bv32) && (!(2bv32 == \result) || !(waterLevel == 3bv32))) && waterLevel == tmp) && systemActive == 1bv32) && waterLevel == 0bv32) && !(2bv32 == tmp)) && tmp___0 == 1bv32) && 1bv32 == \result)) || (((((((((splverifierCounter == 0bv32 && waterLevel == \result) && \result == 1bv32) && waterLevel == tmp) && systemActive == 1bv32) && waterLevel == 0bv32) && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 2bv32 == tmp) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning)) || (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && methaneLevelCritical == 0bv32) && \result == 0bv32) && waterLevel == tmp) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 1bv32 == \result)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && methaneLevelCritical == 0bv32) && (!(2bv32 == \result) || !(waterLevel == 3bv32))) && waterLevel == tmp) && systemActive == 1bv32) && waterLevel == 1bv32) && !(2bv32 == tmp)) && tmp___0 == 1bv32) && 1bv32 == \result)) || (((((((splverifierCounter == 0bv32 && waterLevel == \result) && waterLevel == tmp) && systemActive == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 10:46:31,860 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && waterLevel == tmp) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 2bv32 == \result)) || (((((((((splverifierCounter == 0bv32 && waterLevel == \result) && methaneLevelCritical == 0bv32) && \result == 1bv32) && waterLevel == tmp) && systemActive == 1bv32) && waterLevel == 0bv32) && ~bvslt32(waterLevel, 2bv32)) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && !(2bv32 == \result)) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && !(2bv32 == tmp)) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && !(waterLevel == 3bv32))) || (((((((((splverifierCounter == 0bv32 && waterLevel == \result) && \result == 1bv32) && waterLevel == tmp) && systemActive == 1bv32) && waterLevel == 0bv32) && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && methaneLevelCritical == 0bv32) && \result == 0bv32) && waterLevel == tmp) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 1bv32 == \result)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && methaneLevelCritical == 0bv32) && waterLevel == tmp) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp___0 == 1bv32) && 1bv32 == \result)) || (((((((splverifierCounter == 0bv32 && waterLevel == \result) && waterLevel == tmp) && systemActive == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && !(2bv32 == tmp)) && !(waterLevel == 3bv32)) [2021-10-24 10:46:31,861 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((((((splverifierCounter == 0bv32 && waterLevel == \result) && methaneLevelCritical == 0bv32) && \result == 1bv32) && waterLevel == tmp) && systemActive == 1bv32) && waterLevel == 0bv32) && ~bvslt32(waterLevel, 2bv32)) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) && !(waterLevel == 3bv32)) && methaneLevelCritical == 1bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && systemActive == 1bv32) && waterLevel == 1bv32) && !(2bv32 == tmp)) && !(waterLevel == 3bv32)) && methaneLevelCritical == 1bv32)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && !(waterLevel == 3bv32))) || (((((((((splverifierCounter == 0bv32 && waterLevel == \result) && \result == 1bv32) && waterLevel == tmp) && systemActive == 1bv32) && waterLevel == 0bv32) && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && waterLevel == tmp) && systemActive == 1bv32) && tmp == 0bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && 1bv32 == \result)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && waterLevel == tmp) && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && tmp___0 == 1bv32) && 1bv32 == \result)) || ((((!(waterLevel == 2bv32) && waterLevel == 1bv32) && ((((splverifierCounter == 0bv32 && 2bv32 == tmp) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning))) && !(waterLevel == 3bv32)) && methaneLevelCritical == 1bv32)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && methaneLevelCritical == 0bv32) && waterLevel == tmp) && systemActive == 1bv32) && tmp == 0bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 1bv32 == \result)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && methaneLevelCritical == 0bv32) && waterLevel == tmp) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp___0 == 1bv32) && 1bv32 == \result)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && !(2bv32 == tmp)) && !(waterLevel == 3bv32))) || ((((methaneLevelCritical == 0bv32 && !(waterLevel == 2bv32)) && waterLevel == 1bv32) && ((((splverifierCounter == 0bv32 && 2bv32 == tmp) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning))) && !(waterLevel == 3bv32)) [2021-10-24 10:46:31,862 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && !(2bv32 == tmp)) && !(waterLevel == 3bv32)) && 1bv32 == \result)) || (((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == \result) && \result == 1bv32) && waterLevel == tmp) && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == \result) && methaneLevelCritical == 0bv32) && \result == 1bv32) && waterLevel == tmp) && systemActive == 1bv32) && waterLevel == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && methaneLevelCritical == 0bv32) && waterLevel == tmp) && systemActive == 1bv32) && waterLevel == 0bv32) && !(2bv32 == tmp)) && tmp___0 == 1bv32) && 1bv32 == \result)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && systemActive == 1bv32) && waterLevel == 1bv32) && !(2bv32 == tmp)) && !(waterLevel == 3bv32)) && methaneLevelCritical == 1bv32) && 1bv32 == \result)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 1bv32 == \result)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && waterLevel == tmp) && systemActive == 1bv32) && tmp == 0bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && 1bv32 == \result)) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) && !(waterLevel == 3bv32)) && methaneLevelCritical == 1bv32) && 1bv32 == \result)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && methaneLevelCritical == 0bv32) && waterLevel == tmp) && systemActive == 1bv32) && tmp == 0bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 1bv32 == \result)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && waterLevel == tmp) && systemActive == 1bv32) && waterLevel == 0bv32) && !(2bv32 == tmp)) && methaneLevelCritical == 1bv32) && tmp___0 == 1bv32) && 1bv32 == \result) [2021-10-24 10:46:31,862 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && !(waterLevel == 3bv32)) && methaneLevelCritical == 1bv32) && 1bv32 == \result) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && methaneLevelCritical == 0bv32) && waterLevel == tmp) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && tmp___0 == 1bv32) && 1bv32 == \result)) || (((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == \result) && \result == 1bv32) && waterLevel == tmp) && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == \result) && methaneLevelCritical == 0bv32) && \result == 1bv32) && waterLevel == tmp) && systemActive == 1bv32) && waterLevel == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(2bv32 == tmp)) && !(waterLevel == 3bv32)) && 1bv32 == \result)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && waterLevel == tmp) && systemActive == 1bv32) && tmp == 0bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && 1bv32 == \result)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && waterLevel == tmp) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && tmp___0 == 1bv32) && 1bv32 == \result)) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && methaneLevelCritical == 0bv32) && waterLevel == tmp) && systemActive == 1bv32) && tmp == 0bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 1bv32 == \result)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(2bv32 == tmp)) && !(waterLevel == 3bv32)) && methaneLevelCritical == 1bv32) && 1bv32 == \result) [2021-10-24 10:46:31,863 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((splverifierCounter == 0bv32 && waterLevel == \result) && methaneLevelCritical == 0bv32) && \result == 1bv32) && waterLevel == tmp) && systemActive == 1bv32) && waterLevel == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || ((((((((splverifierCounter == 0bv32 && waterLevel == \result) && \result == 1bv32) && waterLevel == tmp) && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && !(2bv32 == tmp)) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && !(2bv32 == tmp)) && methaneLevelCritical == 1bv32) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 1bv32 == \result)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) [2021-10-24 10:46:31,863 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((splverifierCounter == 0bv32 && waterLevel == \result) && methaneLevelCritical == 0bv32) && \result == 1bv32) && waterLevel == tmp) && systemActive == 1bv32) && waterLevel == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && !(2bv32 == \result)) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && !(2bv32 == tmp)) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32)) || (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && !(2bv32 == tmp)) && 1bv32 == \result) [2021-10-24 10:46:31,864 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((splverifierCounter == 0bv32 && waterLevel == \result) && !(2bv32 == \result)) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && waterLevel == \result) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && waterLevel == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && waterLevel == \result) && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 2bv32 == \result)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 1bv32 == \result)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 2bv32 == \result)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning) [2021-10-24 10:46:31,865 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 1bv32 == \result) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && !(2bv32 == tmp)) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 1bv32 == \result)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && !(2bv32 == tmp)) && 1bv32 == \result) [2021-10-24 10:46:31,866 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(waterLevel == 2bv32)) && \result == 1bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 1bv32 == \result)) || (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && !(waterLevel == 2bv32)) && \result == 1bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && !(2bv32 == tmp)) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 1bv32 == \result)) || (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && !(2bv32 == tmp)) && 1bv32 == \result) [2021-10-24 10:46:31,866 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && waterLevel == \result) && methaneLevelCritical == 0bv32) && \result == 1bv32) && waterLevel == tmp) && systemActive == 1bv32) && waterLevel == 0bv32) && ~bvslt32(waterLevel, 2bv32)) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && waterLevel == \result) && \result == 1bv32) && waterLevel == tmp) && systemActive == 1bv32) && waterLevel == 0bv32) && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning) [2021-10-24 10:46:31,866 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == \result) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && waterLevel == tmp) && systemActive == 1bv32) && waterLevel == 1bv32) && !(2bv32 == tmp)) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning) || ((((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == \result) && !(2bv32 == \result)) && waterLevel == tmp) && systemActive == 1bv32) && waterLevel == 1bv32) && !(2bv32 == tmp)) && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == \result) && \result == 1bv32) && waterLevel == tmp) && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && methaneLevelCritical == 0bv32) && \result == 0bv32) && waterLevel == tmp) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 1bv32 == \result)) || ((((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == \result) && methaneLevelCritical == 0bv32) && \result == 1bv32) && waterLevel == tmp) && systemActive == 1bv32) && waterLevel == 0bv32) && ~bvslt32(waterLevel, 2bv32)) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && methaneLevelCritical == 0bv32) && \result == 0bv32) && waterLevel == tmp) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) [2021-10-24 10:46:31,867 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && waterLevel == \result) && \result == 1bv32) && waterLevel == tmp) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 0bv32) && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && waterLevel == \result) && methaneLevelCritical == 0bv32) && \result == 1bv32) && waterLevel == tmp) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 0bv32) && ~bvslt32(waterLevel, 2bv32)) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && methaneLevelCritical == 0bv32) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning) [2021-10-24 10:46:31,920 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 10:46:31,920 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 10:46:31,922 INFO L168 Benchmark]: Toolchain (without parser) took 71457.11 ms. Allocated memory was 62.9 MB in the beginning and 245.4 MB in the end (delta: 182.5 MB). Free memory was 41.9 MB in the beginning and 56.2 MB in the end (delta: -14.3 MB). Peak memory consumption was 167.2 MB. Max. memory is 16.1 GB. [2021-10-24 10:46:31,922 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 62.9 MB. Free memory is still 44.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:46:31,923 INFO L168 Benchmark]: CACSL2BoogieTranslator took 675.71 ms. Allocated memory is still 62.9 MB. Free memory was 41.8 MB in the beginning and 32.2 MB in the end (delta: 9.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-24 10:46:31,923 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.40 ms. Allocated memory is still 62.9 MB. Free memory was 32.0 MB in the beginning and 28.4 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-24 10:46:31,924 INFO L168 Benchmark]: Boogie Preprocessor took 66.44 ms. Allocated memory was 62.9 MB in the beginning and 79.7 MB in the end (delta: 16.8 MB). Free memory was 28.4 MB in the beginning and 59.9 MB in the end (delta: -31.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:46:31,924 INFO L168 Benchmark]: RCFGBuilder took 2315.43 ms. Allocated memory is still 79.7 MB. Free memory was 59.9 MB in the beginning and 55.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 32.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:46:31,925 INFO L168 Benchmark]: TraceAbstraction took 68156.55 ms. Allocated memory was 79.7 MB in the beginning and 245.4 MB in the end (delta: 165.7 MB). Free memory was 55.4 MB in the beginning and 65.8 MB in the end (delta: -10.4 MB). Peak memory consumption was 181.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:46:31,925 INFO L168 Benchmark]: Witness Printer took 124.37 ms. Allocated memory is still 245.4 MB. Free memory was 65.8 MB in the beginning and 56.2 MB in the end (delta: 9.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:46:31,928 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 62.9 MB. Free memory is still 44.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 675.71 ms. Allocated memory is still 62.9 MB. Free memory was 41.8 MB in the beginning and 32.2 MB in the end (delta: 9.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 110.40 ms. Allocated memory is still 62.9 MB. Free memory was 32.0 MB in the beginning and 28.4 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 66.44 ms. Allocated memory was 62.9 MB in the beginning and 79.7 MB in the end (delta: 16.8 MB). Free memory was 28.4 MB in the beginning and 59.9 MB in the end (delta: -31.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2315.43 ms. Allocated memory is still 79.7 MB. Free memory was 59.9 MB in the beginning and 55.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 32.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 68156.55 ms. Allocated memory was 79.7 MB in the beginning and 245.4 MB in the end (delta: 165.7 MB). Free memory was 55.4 MB in the beginning and 65.8 MB in the end (delta: -10.4 MB). Peak memory consumption was 181.1 MB. Max. memory is 16.1 GB. * Witness Printer took 124.37 ms. Allocated memory is still 245.4 MB. Free memory was 65.8 MB in the beginning and 56.2 MB in the end (delta: 9.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms 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: 309]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 309]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 309]: 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, 120 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 67996.8ms, OverallIterations: 15, TraceHistogramMax: 4, EmptinessCheckTime: 68.6ms, AutomataDifference: 16742.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 21104.9ms, InitialAbstractionConstructionTime: 16.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1630 SDtfs, 3218 SDslu, 4047 SDs, 0 SdLazy, 608 SolverSat, 141 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14701.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3129 GetRequests, 3005 SyntacticMatches, 0 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 196 ImplicationChecksByTransitivity, 1307.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=714occurred in iteration=13, InterpolantAutomatonStates: 109, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 474.4ms AutomataMinimizationTime, 15 MinimizatonAttempts, 1722 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 49 LocationsWithAnnotation, 49 PreInvPairs, 412 NumberOfFragments, 3354 HoareAnnotationTreeSize, 49 FomulaSimplifications, 4442376 FormulaSimplificationTreeSizeReduction, 3940.1ms HoareSimplificationTime, 49 FomulaSimplificationsInter, 1765446 FormulaSimplificationTreeSizeReductionInter, 17145.1ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 581.5ms SsaConstructionTime, 7029.7ms SatisfiabilityAnalysisTime, 9844.1ms InterpolantComputationTime, 1548 NumberOfCodeBlocks, 1548 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 3050 ConstructedInterpolants, 0 QuantifiedInterpolants, 6353 SizeOfPredicates, 73 NumberOfNonLiveVariables, 5963 ConjunctsInSsa, 122 ConjunctsInUnsatCore, 46 InterpolantComputations, 23 PerfectInterpolantSequences, 2266/2496 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: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: (((((((((((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && !(2bv32 == tmp)) && !(waterLevel == 3bv32)) && 1bv32 == \result)) || (((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == \result) && \result == 1bv32) && waterLevel == tmp) && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == \result) && methaneLevelCritical == 0bv32) && \result == 1bv32) && waterLevel == tmp) && systemActive == 1bv32) && waterLevel == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && methaneLevelCritical == 0bv32) && waterLevel == tmp) && systemActive == 1bv32) && waterLevel == 0bv32) && !(2bv32 == tmp)) && tmp___0 == 1bv32) && 1bv32 == \result)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && systemActive == 1bv32) && waterLevel == 1bv32) && !(2bv32 == tmp)) && !(waterLevel == 3bv32)) && methaneLevelCritical == 1bv32) && 1bv32 == \result)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 1bv32 == \result)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && waterLevel == tmp) && systemActive == 1bv32) && tmp == 0bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && 1bv32 == \result)) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) && !(waterLevel == 3bv32)) && methaneLevelCritical == 1bv32) && 1bv32 == \result)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && methaneLevelCritical == 0bv32) && waterLevel == tmp) && systemActive == 1bv32) && tmp == 0bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 1bv32 == \result)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && waterLevel == tmp) && systemActive == 1bv32) && waterLevel == 0bv32) && !(2bv32 == tmp)) && methaneLevelCritical == 1bv32) && tmp___0 == 1bv32) && 1bv32 == \result) - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 421]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && waterLevel == \result) && \result == 1bv32) && waterLevel == tmp) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 0bv32) && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && waterLevel == \result) && methaneLevelCritical == 0bv32) && \result == 1bv32) && waterLevel == tmp) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 0bv32) && ~bvslt32(waterLevel, 2bv32)) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && methaneLevelCritical == 0bv32) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 322]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 2bv32 == tmp) && methaneLevelCritical == 0bv32) && waterLevel == tmp) && systemActive == 1bv32) && 2bv32 == \result)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 2bv32 == tmp) && waterLevel == tmp) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 2bv32 == \result)) || (((((((((splverifierCounter == 0bv32 && waterLevel == \result) && methaneLevelCritical == 0bv32) && \result == 1bv32) && waterLevel == tmp) && systemActive == 1bv32) && waterLevel == 0bv32) && ~bvslt32(waterLevel, 2bv32)) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 2bv32 == tmp) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && methaneLevelCritical == 0bv32) && (!(2bv32 == \result) || !(waterLevel == 3bv32))) && waterLevel == tmp) && systemActive == 1bv32) && waterLevel == 0bv32) && !(2bv32 == tmp)) && tmp___0 == 1bv32) && 1bv32 == \result)) || (((((((((splverifierCounter == 0bv32 && waterLevel == \result) && \result == 1bv32) && waterLevel == tmp) && systemActive == 1bv32) && waterLevel == 0bv32) && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 2bv32 == tmp) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning)) || (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && methaneLevelCritical == 0bv32) && \result == 0bv32) && waterLevel == tmp) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 1bv32 == \result)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && methaneLevelCritical == 0bv32) && (!(2bv32 == \result) || !(waterLevel == 3bv32))) && waterLevel == tmp) && systemActive == 1bv32) && waterLevel == 1bv32) && !(2bv32 == tmp)) && tmp___0 == 1bv32) && 1bv32 == \result)) || (((((((splverifierCounter == 0bv32 && waterLevel == \result) && waterLevel == tmp) && systemActive == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 322]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: (((((((((((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && waterLevel == tmp) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 2bv32 == \result)) || (((((((((splverifierCounter == 0bv32 && waterLevel == \result) && methaneLevelCritical == 0bv32) && \result == 1bv32) && waterLevel == tmp) && systemActive == 1bv32) && waterLevel == 0bv32) && ~bvslt32(waterLevel, 2bv32)) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && !(2bv32 == \result)) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && !(2bv32 == tmp)) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && !(waterLevel == 3bv32))) || (((((((((splverifierCounter == 0bv32 && waterLevel == \result) && \result == 1bv32) && waterLevel == tmp) && systemActive == 1bv32) && waterLevel == 0bv32) && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && methaneLevelCritical == 0bv32) && \result == 0bv32) && waterLevel == tmp) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 1bv32 == \result)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && methaneLevelCritical == 0bv32) && waterLevel == tmp) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp___0 == 1bv32) && 1bv32 == \result)) || (((((((splverifierCounter == 0bv32 && waterLevel == \result) && waterLevel == tmp) && systemActive == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && !(2bv32 == tmp)) && !(waterLevel == 3bv32)) - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 322]: Loop Invariant Derived loop invariant: ((((((((((((((((splverifierCounter == 0bv32 && waterLevel == \result) && methaneLevelCritical == 0bv32) && \result == 1bv32) && waterLevel == tmp) && systemActive == 1bv32) && waterLevel == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || ((((((((splverifierCounter == 0bv32 && waterLevel == \result) && \result == 1bv32) && waterLevel == tmp) && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && !(2bv32 == tmp)) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && !(2bv32 == tmp)) && methaneLevelCritical == 1bv32) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 1bv32 == \result)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: ((((((((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == \result) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && waterLevel == tmp) && systemActive == 1bv32) && waterLevel == 1bv32) && !(2bv32 == tmp)) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning) || ((((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == \result) && !(2bv32 == \result)) && waterLevel == tmp) && systemActive == 1bv32) && waterLevel == 1bv32) && !(2bv32 == tmp)) && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == \result) && \result == 1bv32) && waterLevel == tmp) && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && methaneLevelCritical == 0bv32) && \result == 0bv32) && waterLevel == tmp) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 1bv32 == \result)) || ((((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == \result) && methaneLevelCritical == 0bv32) && \result == 1bv32) && waterLevel == tmp) && systemActive == 1bv32) && waterLevel == 0bv32) && ~bvslt32(waterLevel, 2bv32)) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && methaneLevelCritical == 0bv32) && \result == 0bv32) && waterLevel == tmp) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: ((((((((((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((((((splverifierCounter == 0bv32 && waterLevel == \result) && methaneLevelCritical == 0bv32) && \result == 1bv32) && waterLevel == tmp) && systemActive == 1bv32) && waterLevel == 0bv32) && ~bvslt32(waterLevel, 2bv32)) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) && !(waterLevel == 3bv32)) && methaneLevelCritical == 1bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && systemActive == 1bv32) && waterLevel == 1bv32) && !(2bv32 == tmp)) && !(waterLevel == 3bv32)) && methaneLevelCritical == 1bv32)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && !(waterLevel == 3bv32))) || (((((((((splverifierCounter == 0bv32 && waterLevel == \result) && \result == 1bv32) && waterLevel == tmp) && systemActive == 1bv32) && waterLevel == 0bv32) && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && waterLevel == tmp) && systemActive == 1bv32) && tmp == 0bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && 1bv32 == \result)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && waterLevel == tmp) && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && tmp___0 == 1bv32) && 1bv32 == \result)) || ((((!(waterLevel == 2bv32) && waterLevel == 1bv32) && ((((splverifierCounter == 0bv32 && 2bv32 == tmp) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning))) && !(waterLevel == 3bv32)) && methaneLevelCritical == 1bv32)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && methaneLevelCritical == 0bv32) && waterLevel == tmp) && systemActive == 1bv32) && tmp == 0bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 1bv32 == \result)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && methaneLevelCritical == 0bv32) && waterLevel == tmp) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp___0 == 1bv32) && 1bv32 == \result)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && !(2bv32 == tmp)) && !(waterLevel == 3bv32))) || ((((methaneLevelCritical == 0bv32 && !(waterLevel == 2bv32)) && waterLevel == 1bv32) && ((((splverifierCounter == 0bv32 && 2bv32 == tmp) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning))) && !(waterLevel == 3bv32)) - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 421]: Loop Invariant Derived loop invariant: (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(waterLevel == 2bv32)) && \result == 1bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 1bv32 == \result)) || (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && !(waterLevel == 2bv32)) && \result == 1bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && !(2bv32 == tmp)) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 1bv32 == \result)) || (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && !(2bv32 == tmp)) && 1bv32 == \result) - InvariantResult [Line: 326]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 421]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 326]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 1bv32 == \result) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && !(2bv32 == tmp)) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 1bv32 == \result)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && !(2bv32 == tmp)) && 1bv32 == \result) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: ((((((((((((((splverifierCounter == 0bv32 && waterLevel == \result) && !(2bv32 == \result)) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && waterLevel == \result) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && waterLevel == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && waterLevel == \result) && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 2bv32 == \result)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 1bv32 == \result)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 2bv32 == \result)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 326]: Loop Invariant Derived loop invariant: (((((((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && !(waterLevel == 3bv32)) && methaneLevelCritical == 1bv32) && 1bv32 == \result) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && methaneLevelCritical == 0bv32) && waterLevel == tmp) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && tmp___0 == 1bv32) && 1bv32 == \result)) || (((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == \result) && \result == 1bv32) && waterLevel == tmp) && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == \result) && methaneLevelCritical == 0bv32) && \result == 1bv32) && waterLevel == tmp) && systemActive == 1bv32) && waterLevel == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(2bv32 == tmp)) && !(waterLevel == 3bv32)) && 1bv32 == \result)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && waterLevel == tmp) && systemActive == 1bv32) && tmp == 0bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && 1bv32 == \result)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && waterLevel == tmp) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && tmp___0 == 1bv32) && 1bv32 == \result)) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && methaneLevelCritical == 0bv32) && waterLevel == tmp) && systemActive == 1bv32) && tmp == 0bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 1bv32 == \result)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(2bv32 == tmp)) && !(waterLevel == 3bv32)) && methaneLevelCritical == 1bv32) && 1bv32 == \result) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: ((((((((((((((((splverifierCounter == 0bv32 && waterLevel == \result) && methaneLevelCritical == 0bv32) && \result == 1bv32) && waterLevel == tmp) && systemActive == 1bv32) && waterLevel == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && !(2bv32 == \result)) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && !(2bv32 == tmp)) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32)) || (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && !(2bv32 == tmp)) && 1bv32 == \result) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && waterLevel == \result) && methaneLevelCritical == 0bv32) && \result == 1bv32) && waterLevel == tmp) && systemActive == 1bv32) && waterLevel == 0bv32) && ~bvslt32(waterLevel, 2bv32)) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && waterLevel == \result) && \result == 1bv32) && waterLevel == tmp) && systemActive == 1bv32) && waterLevel == 0bv32) && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning) RESULT: Ultimate proved your program to be correct! [2021-10-24 10:46:32,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2127afa7-a8fb-4533-ad12-472cc8623e9c/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...